Matthew Trainor, M.D.
NPI 1013990084 · Nephrology Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Trainor, M.D. is a Nephrology Physician provider in Worcester, MA (NPI 1013990084).
Provider details
- NPI number
- 1013990084
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 220144 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,193 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 331 | $80 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 187 | $368 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 99 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 93 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $98 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sevelamer Carbonate | 91 | 21 |
| Losartan Potassium | 83 | 24 |
| Amlodipine Besylate | 64 | 27 |
| Lisinopril | 56 | 18 |
| Torsemide | 54 | 22 |
| Furosemide | 48 | 15 |
| Chlorthalidone | 39 | — |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,126 across 6 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
Additional practice locations (1)
- 157 Union StMarlborough, MA 01752-1228Phone: (508) 856-3155Fax: (508) 856-3184
Registry dates
- Enumerated
- 2005-11-23
- Last updated
- 2020-10-26
- Certified
- 2020-10-26
Frequently asked questions
- What is Matthew Trainor's NPI number?
- Matthew Trainor's National Provider Identifier (NPI) is 1013990084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Trainor's specialty?
- Matthew Trainor is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Trainor located?
- Matthew Trainor's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Matthew Trainor's phone number?
- The practice phone number listed in the NPPES registry for Matthew Trainor is (508) 856-3155.
- Does Matthew Trainor accept Medicare?
- Matthew Trainor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Trainor's NPI active?
- Yes — Matthew Trainor's NPI (1013990084) is active in the NPPES registry as of the last update on 2020-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.