Dr. Grishma Joy, MD
10710 Charter DR Ste 110, Columbia, MD 21044 • +1-808-555-5540
Medical Education: Accredited U.S. Medical School (Class of 1998)
What This Doctor Actually Performs: CMS Medicare Utilization & Columbia Percentiles
NPI #1336239656 • CBSA Regional • Gastroenterology
Within the Columbia, MD (CBSA local) Gastroenterology cohort, Dr. Grishma Joy, MD with sub-specialty concentration in 37 Active CMS HCPCS Codes ranks at the 70th municipal percentile and 92.13th MD percentile (+0.95σ Z-score) based on 9,383 billed procedures for 471 patients.
Procedural volume for Dr. Joy is led by HCPCS 99214 (Established Gastroenterology, GERD & IBD Evaluation — 319 annual services, $46–$63 GPCI cash estimate), followed by CPT 45380 (Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy, 216/yr) and CPT 43239 (Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy, 181/yr).
Direct cash-pay transparency modeling sets Dr. Joy's baseline new-consult rate near $209.00 in Columbia, MD (cash-pay accepted, in-person clinic visits only, 20-minute average reception wait).
Credentialed as an MD specialist with 28 years post-graduation experience since completing medical school at an LCME/COCA institution (1998), Dr. Joy coordinates 37 Active CMS HCPCS Codes workups from 10710 Charter DR Ste 110 (+1-808-555-5540).
Compared against Columbia, MD Gastroenterology peers
9,383 annual services across 471 beneficiaries
Standard deviations from MD Gastroenterology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Established Gastroenterology, GERD & IBD Evaluation | 319 | 70th | $46 – $63 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 216 | 69th | $110 – $151 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 181 | 75th | $91 – $125 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 86 | 73th | $123 – $168 |
| 99204 | New Patient Digestive & Hepatology Consultation | 60 | 66th | $64 – $88 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (37 HCPCS billing breadth) | 8,520 | 70th | $45 – $65 |
Are you Dr. Grishma Joy? Embed your Official DotMD Verification Badge (0-JS SVG)
Paste this lightweight SVG snippet onto your clinic bio page in Columbia, MD:
<a href="https://dotmd.com/doctors/grishma-joy-md-columbia-md-1336239656" title="Dr. Grishma Joy, MD - Verified CMS Utilization on DotMD"><img src="https://dotmd.com/badges/npi/1336239656.svg" alt="Dr. Grishma Joy Gastroenterology Badge" width="280" height="72" /></a>
Dr. Grishma Joy, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Joy National Provider Identifier | NPI #1336239656 (MD) | CMS NPPES Registry (21044) |
| Dr. Joy Columbia CMS Volume Rank | 70.00th Pct (9,383 CMS svcs; Z +0.952σ) | CMS Medicare Part B (MD Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Columbia, MD) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 20 min lobby wait | 12 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.86/5 Listening • 4.43/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
Ask our AI Specialists anything about Dr. Grishma Joy
Other High-Volume Gastroenterology Specialists in Columbia, MD
Ranked strictly by CMS Medicare volumeDr. Joy Waiting-Room Q&A & Patient Experience Logs
Anonymous patient-submitted wait times, cash visit fees, and bedside manner discussions in Columbia, MD.
Share your self-pay visit cost and lobby wait time—no account, email, or IP stored.
Filter Dr. Grishma Joy community threads and patient logs by age, biological sex, dosage, and treatment duration.