Dr. Erika Grigg, MD
135 W Ravine Rd, Suite 3a, Kingsport, TN 37660 • +1-365-555-9563
Medical Education: Accredited U.S. Medical School (Class of 2005)
What This Doctor Actually Performs: CMS Medicare Utilization & Kingsport Percentiles
NPI #1487774410 • CBSA Regional • Gastroenterology
Dr. Erika Grigg, MD (NPI #1487774410) practices Gastroenterology in Kingsport, TN (37660) with sub-specialty concentration in 29 Active CMS HCPCS Codes, recording 808 annual CMS services across 287 distinct beneficiaries—placing this practice as a focused low-volume boutique caseload (10th Kingsport percentile) (-0.38σ vs TN state mean, 18.71th statewide percentile).
Medicare Part B line-item claims for Dr. Erika Grigg (37660) place 99214 at the top of the practice ledger (299 yearly units, 12th metro rank), rounded out by 45380 and 43239.
At 135 W Ravine Rd, Suite 3a (37660), Dr. Erika Grigg, MD accommodates direct self-pay scheduling (hybrid in-clinic and telehealth video consults) at ~$201.00 per new consult (4.63/5 bedside rating).
Credentialed as an MD specialist with 21 years post-graduation experience since completing medical school at an LCME/COCA institution (2005), Dr. Grigg coordinates 29 Active CMS HCPCS Codes workups from 135 W Ravine Rd, Suite 3a (+1-365-555-9563).
Compared against Kingsport, TN Gastroenterology peers
808 annual services across 287 beneficiaries
Standard deviations from TN 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 | 299 | 12th | $135 – $185 |
| 45380 | Diagnostic Colonoscopy w/ Mucosal Tissue Biopsy | 202 | 12th | $325 – $445 |
| 43239 | Upper GI Esophagogastroduodenoscopy (EGD) w/ Biopsy | 170 | 12th | $270 – $370 |
| 45385 | Colonoscopy w/ Snare Polypectomy Lesion Removal | 81 | 12th | $362 – $496 |
| 99204 | New Patient Digestive & Hepatology Consultation | 57 | 12th | $190 – $260 |
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Dr. Erika Grigg, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Grigg National Provider Identifier | NPI #1487774410 (MD) | CMS NPPES Registry (37660) |
| Dr. Grigg Kingsport CMS Volume Rank | 10.00th Pct (808 CMS svcs; Z -0.383σ) | CMS Medicare Part B (TN Gastroenterology) |
| Fair Cash-Pay New-Patient Benchmark | $201.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Kingsport, TN) |
| Waiting-Room Wait Time & Cash Friendliness | $201.00 avg paid • 9 min lobby wait | 25 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.63/5 Listening • 4.78/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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