Dr. David Shellenberger, MD
Arlington, TX 76014
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (9,027 CMS services/yr).
Diagnostic nasal endoscopy (CPT 31231), flexible fiberoptic laryngoscopy (CPT 31575), audiometry & tympanometry for tinnitus/vertigo (CPT 92557), and balloon sinuplasty. Filter by your insurance carrier, state, or procedure below.
Arlington, TX 76014
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (9,027 CMS services/yr).
Danvers, MA 01923
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,083 CMS services/yr).
Shreveport, LA 71104
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (2,890 CMS services/yr).
Hollywood, FL 33021
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (3,108 CMS services/yr).
Woodstock, IL 60098
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (8,272 CMS services/yr).
Chestnut Hill, MA 02467
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,713 CMS services/yr).
Sylva, NC 28779
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (5,046 CMS services/yr).
Nashville, TN 37232
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,121 CMS services/yr).
Traverse City, MI 49684
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (2,084 CMS services/yr).
Valparaiso, IN 46383
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (5,791 CMS services/yr).
Lakeland, FL 33805
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,998 CMS services/yr).
Edmond, OK 73013
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (2,061 CMS services/yr).
Colorado Springs, CO 80909
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,301 CMS services/yr).
Thousand Oaks, CA 91361
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,294 CMS services/yr).
Carmel, IN 46032
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,090 CMS services/yr).
Paoli, PA 19301
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (954 CMS services/yr).
Hudson, FL 34667
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (866 CMS services/yr).
Overland Park, KS 66221
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,522 CMS services/yr).
Mattoon, IL 61938
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (683 CMS services/yr).
Erie, PA 16507
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (2,991 CMS services/yr).
New Hyde Park, NY 11042
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,670 CMS services/yr).
Alexandria, VA 22310
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,676 CMS services/yr).
Voorhees, NJ 08043
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,018 CMS services/yr).
Cookeville, TN 38501
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,537 CMS services/yr).
Carmel, IN 46032
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,970 CMS services/yr).
Houston, TX 77070
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (968 CMS services/yr).
Robbinsville, NJ 08691
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,156 CMS services/yr).
Oklahoma City, OK 73104
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (753 CMS services/yr).
Plano, TX 75093
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,943 CMS services/yr).
Davenport, IA 52807
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,651 CMS services/yr).
Longmont, CO 80501
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,074 CMS services/yr).
South Bend, IN 46635
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (879 CMS services/yr).
South Bend, IN 46635
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (889 CMS services/yr).
Conway, AR 72034
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (611 CMS services/yr).
College Station, TX 77845
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (1,041 CMS services/yr).
San Mateo, CA 94401
Top Billed Procedure: Focused Ear, Nose, Sinus & Throat Examination [CPT 99213] • Diagnostic nasal endoscopy (CPT 31231) & subspecialty diagnostics (812 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.