Donald Trainor, M.D.
NPI 1043207244 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Trainor, M.D. is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1043207244).
Provider details
- NPI number
- 1043207244
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01036051 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$455 across 2 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
- 2005-10-03
- Last updated
- 2020-01-21
- Certified
- 2020-01-21
Frequently asked questions
- What is Donald Trainor's NPI number?
- Donald Trainor's National Provider Identifier (NPI) is 1043207244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Trainor's specialty?
- Donald Trainor is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Trainor located?
- Donald Trainor's practice location on file with NPPES is 901 Shelby St, Indianapolis, IN 46203-1151.
- What is Donald Trainor's phone number?
- The practice phone number listed in the NPPES registry for Donald Trainor is (317) 488-2040.
- Does Donald Trainor accept Medicare?
- Donald Trainor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Trainor's NPI active?
- Yes — Donald Trainor's NPI (1043207244) is active in the NPPES registry as of the last update on 2020-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.