Matthew Bair, M.D.
NPI 1659310621 · Internal Medicine Physician · Indianapolis, IN
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Bair, M.D. is a Internal Medicine Physician provider in Indianapolis, IN (NPI 1659310621).
Provider details
- NPI number
- 1659310621
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 01053797A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Matthew Bair's NPI number?
- Matthew Bair's National Provider Identifier (NPI) is 1659310621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Bair's specialty?
- Matthew Bair is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Bair located?
- Matthew Bair's practice location on file with NPPES is 1481 W 10th St, Indianapolis, IN 46202-2803.
- What is Matthew Bair's phone number?
- The practice phone number listed in the NPPES registry for Matthew Bair is (317) 554-0181.
- Does Matthew Bair accept Medicare?
- Matthew Bair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Bair's NPI active?
- Yes — Matthew Bair's NPI (1659310621) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.