William Ma, MD
NPI 1396854345 · Pediatrics Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ma, MD is a Pediatrics Physician provider in Indianapolis, IN (NPI 1396854345).
Provider details
- NPI number
- 1396854345
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01059342 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-08-30
- Last updated
- 2026-04-06
- Certified
- 2026-04-06
Frequently asked questions
- What is William Ma's NPI number?
- William Ma's National Provider Identifier (NPI) is 1396854345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ma's specialty?
- William Ma is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is William Ma located?
- William Ma's practice location on file with NPPES is Eskenazi Health Center W 38th St, Indianapolis, IN 46254-2919.
- What is William Ma's phone number?
- The practice phone number listed in the NPPES registry for William Ma is (317) 880-3838.
- Does William Ma accept Medicare?
- William Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ma's NPI active?
- Yes — William Ma's NPI (1396854345) is active in the NPPES registry as of the last update on 2026-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.