Justin Yamin, M.D.
NPI 1164650727 · Internal Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Yamin, M.D. is a Internal Medicine Physician provider in Worcester, MA (NPI 1164650727).
Provider details
- NPI number
- 1164650727
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 240217 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,556 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 304 | $112 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 287 | $143 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 216 | $92 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 178 | $243 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 118 | $176 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 349 | 116 |
| Amitriptyline Hcl | 223 | 63 |
| Omeprazole | 133 | 45 |
| Mesalamine | 109 | 23 |
| Budesonidebrand: Budesonide Ec | 64 | 31 |
| Dicyclomine Hcl | 55 | 19 |
| Ondansetron Hcl | 55 | 12 |
| Famotidine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$325 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-23
- Last updated
- 2009-06-23
Frequently asked questions
- What is Justin Yamin's NPI number?
- Justin Yamin's National Provider Identifier (NPI) is 1164650727, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Yamin's specialty?
- Justin Yamin is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Yamin located?
- Justin Yamin's practice location on file with NPPES is 281 Lincoln St, Worcester, MA 01605-2138.
- What is Justin Yamin's phone number?
- The practice phone number listed in the NPPES registry for Justin Yamin is (508) 856-6239.
- Does Justin Yamin accept Medicare?
- Justin Yamin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Yamin's NPI active?
- Yes — Justin Yamin's NPI (1164650727) is active in the NPPES registry as of the last update on 2009-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.