Dr. Gustavo Ferrer, MD
Hallandale Beach, FL 33009
Complete Spirometry & Bronchodilator Testing (CPT 94060), DLCO Lung Diffusion (CPT 94729), Asthma/COPD Biologics, and Sleep Apnea.
Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060), DLCO diffusion capacity (CPT 94729), and home/lab sleep apnea studies (CPT 95806 / 95810). Filter by your insurance carrier, state, or procedure below.
Hallandale Beach, FL 33009
Complete Spirometry & Bronchodilator Testing (CPT 94060), DLCO Lung Diffusion (CPT 94729), Asthma/COPD Biologics, and Sleep Apnea.
Huntington, NY 11743
Top Billed Procedure: Moderate-to-High Complexity Internal Medicine Follow-Up [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (644 CMS services/yr).
Nacogdoches, TX 75965
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,722 CMS services/yr).
Marietta, GA 30060
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,736 CMS services/yr).
San Antonio, TX 78240
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,768 CMS services/yr).
Sacramento, CA 95816
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,671 CMS services/yr).
Jasper, AL 35501
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,136 CMS services/yr).
Eatontown, NJ 07724
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,033 CMS services/yr).
Ypsilanti, MI 48197
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (822 CMS services/yr).
Riverside, CA 92505
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,386 CMS services/yr).
Fairhaven, MA 02719
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,056 CMS services/yr).
Washington, DC 20007
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,231 CMS services/yr).
Cherry Hill, NJ 08034
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,381 CMS services/yr).
Douglasville, GA 30134
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (854 CMS services/yr).
Charlotte, NC 28204
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,151 CMS services/yr).
Christiansburg, VA 24073
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (851 CMS services/yr).
Lawrenceville, GA 30046
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,685 CMS services/yr).
Birmingham, AL 35235
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,274 CMS services/yr).
Seattle, WA 98195
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,269 CMS services/yr).
Bloomington, IL 61701
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (4,585 CMS services/yr).
El Paso, TX 79902
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (4,456 CMS services/yr).
Elmhurst, IL 60126
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (3,143 CMS services/yr).
Columbia, MO 65201
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (4,101 CMS services/yr).
Winfield, IL 60190
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (3,373 CMS services/yr).
Houston, TX 77030
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (3,829 CMS services/yr).
Glendora, CA 91741
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (6,187 CMS services/yr).
Rancho Mirage, CA 92270
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,811 CMS services/yr).
Monterey Park, CA 91754
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (4,354 CMS services/yr).
Newark, DE 19713
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,780 CMS services/yr).
Chicago Ridge, IL 60415
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (3,540 CMS services/yr).
Elk Grove Village, IL 60007
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (3,014 CMS services/yr).
Elmhurst, IL 60126
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (3,024 CMS services/yr).
Torrance, CA 90505
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,660 CMS services/yr).
Louisville, KY 40207
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,887 CMS services/yr).
Baltimore, MD 21239
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,381 CMS services/yr).
Wyomissing, PA 19610
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (2,388 CMS services/yr).
Harrisonburg, VA 22801
Top Billed Procedure: Established Pulmonary, Asthma & COPD Management [CPT 99214] • Complete pulmonary function testing / spirometry with bronchodilator response (CPT 94060) & subspecialty diagnostics (1,802 CMS services/yr).
Clinicians interrupt patients after a median of 11 seconds (J Gen Intern Med, PMID 29972200). Select your appointment reason below to generate your 1-page script:
"I have two specific goals for our 15 minutes today: first, my morning TSH is [X] mIU/L with persistent fatigue and cold intolerance, so I would like to evaluate Free T4, Free T3, TPO Antibodies, and Ferritin together; second, if we palpate any thyroid asymmetry, can we perform an in-office neck ultrasound (CPT 76536)?"
Confirms the endocrinologist images thyroid nodules themselves rather than sending you to a hospital radiology department.
Identifies structural thyroid specialists vs. general diabetes-only clinics.
Hold all Biotin (Vitamin B7) supplements for 72 hours before your blood draw so streptavidin assay interference does not create a false TSH/Free T4 reading.
"My recent HbA1c came back at [X]%. Today I want to check my Fasting Insulin to calculate HOMA-IR, discuss starting Extended-Release Metformin ER ($5.40/mo cash) or a 14-day Continuous Glucose Monitor trial (CPT 95251), and establish a 90-day re-test target below 5.4%."
Verifies the clinic actively prescribes and interprets Dexcom/Libre CGM sensor data.
Standard outpatient evaluation code; ask for transparent self-pay rates ($120–$180) if uninsured.
Bring a 3-day log of post-dinner fingerstick or CGM readings and confirm whether your pharmacy filled Metformin ER (Extended-Release) rather than immediate-release.
"My 7-day rested home blood pressure averages [X/Y] mmHg and my LDL-C is [Z] mg/dL. Today I would like to review my home cuff log against office white-coat readings, order direct Apolipoprotein B (ApoB) and one-time genetic Lipoprotein(a), and decide if a CAC score or low-dose statin/ARB is warranted."
Assesses left ventricular wall thickness and valve function directly in the cardiology suite.
Baseline rhythm and conduction screen prior to antihypertensive titration.
Bring your physical home upper-arm BP cuff to the clinic to validate calibration, along with a 7-day written morning/evening seated average.
"Even though my hemoglobin is normal, my Serum Ferritin is [X] ng/mL and I am experiencing persistent fatigue and hair shedding. Can we check a fasting Iron Panel with Transferrin Saturation (TSAT), rule out celiac/GI malabsorption, and target a Ferritin above 50–75 ng/mL?"
Confirms the hematology clinic can administer IV iron when oral iron fails or causes GI distress.
Tracks mean corpuscular volume (MCV) and early reticulocyte hemoglobin response.
Stop oral iron supplements for 24 hours before drawing a fasting morning Serum Iron and TSAT panel so circulating pill iron does not skew saturation.
"I have had [reflux / bloating / unexplained low ferritin] for [X] months. Today I want to distinguish upper GI mucosal issues from functional motility, review a step-down plan so I am not stuck on a PPI indefinitely, and verify whether you perform diagnostic EGD (CPT 43239) or colonoscopy (CPT 45385) at an ambulatory center."
High annual CPT 45385 volume (>300/yr) correlates with higher adenoma detection rates and safer polypectomy.
Rules out Barrett esophagus, H. pylori gastritis, and duodenal celiac villous atrophy.
Always request an Ambulatory Surgery Center (ASC) facility quote rather than a hospital outpatient department (HOPD) for endoscopy/colonoscopy to save $1,200–$2,400 in facility fees.
General directory listings show what a doctor claims to treat, whereas federal CMS Medicare Part B claims reveal what they actually perform every week. For example, seeing an endocrinologist who performs 400+ in-office thyroid neck ultrasounds (CPT 76536) per year or a gastroenterologist in the top decile for adenoma detection colonoscopy (CPT 45385) prevents unnecessary outside imaging referrals and repeat appointments.
Large hospital networks often bill tens of thousands of automated lab draws or vaccination claims under a single department chair NPI. Our directory triage engine isolates individual practicing clinicians (300 to 4,500 Medicare beneficiaries/year) and requires a minimum 4.2-star verified Google patient consensus with at least 15 reviews for default showcase rankings.
The GreatDoc™ rating—calculated by the Proprietary DotMD™ J3 Model—audits patient reviews across clinical diagnostic accuracy, unhurried listening, and procedure skill while flagging administrative friction points (such as $250 annual clinic fees, parking validation costs, or phone hold times) so you know exactly what to expect before walking into the waiting room.
Every flagship physician profile on dotMD includes an interactive Insurance Network & Cash-Rate Checker covering Original Medicare Part B, Medicare Advantage, BlueCross BlueShield, Aetna, Cigna, UnitedHealthcare, and regional PPO/HMO plans—plus the exact CMS geo-adjusted CPT 99204 self-pay cash rate ($195–$260) and 3-question script to verify network participation with the billing desk.