Dr. Nathan Riddell, MD
55 Lake Ave N, Worcester, MA 01655 • +1-746-555-7414
Medical Education: Accredited U.S. Medical School (Class of 1993)
What This Doctor Actually Performs: CMS Medicare Utilization & Worcester Percentiles
NPI #1245670983 • CBSA Regional • Internal Medicine
Operating out of Worcester, MA (55 Lake Ave N), Internal Medicine clinician Dr. Nathan Riddell, MD (accredited MD/DO training, 1993) maintains a upper-quartile active clinical volume (89.53th Worcester percentile) (75.58th MA percentile; Z-score +0.01σ across 2,418 documented services) with sub-specialty concentration in 87 Active CMS HCPCS Codes.
Granular CPT/HCPCS billing distribution at 55 Lake Ave N shows Dr. Nathan Riddell's primary concentration in Moderate-to-High Complexity Internal Medicine Follow-Up (code 99214: 1088x/yr, 89.53th local percentile) alongside Established Preventive & Chronic Care Visit (99213: 629x/yr, $102–$139).
For out-of-network patients contacting +1-746-555-7414, Dr. Riddell's practice posts a $224.00 GPCI self-pay consult estimate ($224.00 patient-logged median, 4.88/5 composite reality score over 7 submissions).
From 55 Lake Ave N in Worcester (+1-746-555-7414), Dr. Riddell, MD (33-year clinical track record) delivers 87 Active CMS HCPCS Codes care.
Compared against Worcester, MA Internal Medicine peers
2,418 annual services across 1,464 beneficiaries
Standard deviations from MA Internal Medicine 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 | 1,088 | 89.53th | $133 – $182 |
| 99213 | Established Preventive & Chronic Care Visit | 629 | 89.53th | $102 – $139 |
| 93000 | In-Office 12-Lead Resting Electrocardiogram | 314 | 88.53th | $49 – $66 |
| G0439 | Annual Preventive Wellness & Cardiometabolic Risk Assessment | 242 | 94.53th | $156 – $214 |
| 99204 | Comprehensive New Patient Internal Medicine Diagnostic Visit | 145 | 84.53th | $185 – $253 |
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Dr. Nathan Riddell, MD Fair Cash-Pay & Waiting-Room Scorecard
| Metric | Verified Benchmark | Source |
|---|---|---|
| Dr. Riddell National Provider Identifier | NPI #1245670983 (MD) | CMS NPPES Registry (01655) |
| Dr. Riddell Worcester CMS Volume Rank | 89.53th Pct (2,418 CMS svcs; Z +0.015σ) | CMS Medicare Part B (MA Internal Medicine) |
| Fair Cash-Pay New-Patient Benchmark | $224.00 (CPT 99204 GPCI Benchmark) | CMS Geographic Practice Cost Index (Worcester, MA) |
| Waiting-Room Wait Time & Cash Friendliness | $224.00 avg paid • 21 min lobby wait | 7 Anonymous Patient Reports |
| Listens Without Rushing & Modern Protocol Score | 4.91/5 Listening • 4.57/5 Modern Labs | CMS Provider Practice Cohort |
“Waiting Room” Patient Reality Scorecard
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