Dr. Thomas Gribbin, MD
145 Michigan St Ne Ste 3100, Grand Rapids, MI 49503 • +1-366-555-2607
Medical Education: Accredited U.S. Medical School (Class of 2017)
What This Doctor Actually Performs: CMS Medicare Utilization & Grand Rapids Percentiles
NPI #1639179286 • CBSA Regional • Hematology-Oncology
CMS Medicare Part B utilization records credit Dr. Thomas Gribbin (MD, NPI 1639179286) at 145 Michigan St Ne Ste 3100 in Grand Rapids with 51,942 annual clinical services (274 beneficiaries), corresponding to a +0.12σ regional deviation and focused low-volume boutique caseload (33.33th Grand Rapids percentile) with sub-specialty concentration in 149 Active CMS HCPCS Codes.
Medicare Part B line-item claims for Dr. Thomas Gribbin (49503) place 99214 at the top of the practice ledger (1090 yearly units, 33.33th metro rank), rounded out by 99213 and 93000.
Uninsured and high-deductible cash patients visiting Dr. Thomas Gribbin in Grand Rapids (49503) face an estimated $209.00 initial evaluation fee at 145 Michigan St Ne Ste 3100 (hybrid in-clinic and telehealth video consults; 19-minute average reception wait; bedside manner 4.72/5 from 19 verified reports).
Patients evaluating Dr. Thomas Gribbin in ZIP 49503 note 9 years of post-doctoral tenure (null, 2017) alongside 189.6 annual CMS procedures per patient.
Compared against Grand Rapids, MI Hematology-Oncology peers
51,942 annual services across 274 beneficiaries
Standard deviations from MI Hematology-Oncology mean utilization
Top Billed HCPCS/CPT Procedures & GPCI Self-Pay Cash Benchmarks
| HCPCS | Clinical Procedure Description | Annual Volume | Local Pct | Est. Cash Range |
|---|---|---|---|---|
| 99214 | Moderate-to-High Complexity Internal Medicine Follow-Up | 1,090 | 33.33th | $46 – $62 |
| 99213 | Established Preventive & Chronic Care Visit | 630 | 28.33th | $35 – $50 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 315 | 33.33th | $25 – $40 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 242 | 31.33th | $53 – $73 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 145 | 37.33th | $63 – $87 |
| 96372 | Therapeutic Subcutaneous/Intramuscular Injection Administration (149 HCPCS billing breadth) | 49,520 | 33.33th | $45 – $65 |
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Dr. Thomas Gribbin, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Gribbin National Provider Identifier | NPI #1639179286 (MD) | CMS NPPES Registry (49503) |
| Dr. Gribbin Grand Rapids CMS Volume Rank | 33.33th Pct (51,942 CMS svcs; Z +0.115σ) | CMS Medicare Part B (MI Hematology-Oncology) |
| Fair Cash-Pay New-Patient Benchmark | $209.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Grand Rapids, MI) |
| Waiting-Room Wait Time & Cash Friendliness | $209.00 avg paid • 19 min lobby wait | 19 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.72/5 Listening • 4.51/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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