John Stewart, M.D.
NPI 1699770354 · Maternal & Fetal Medicine Physician · Warren, OH
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Stewart, M.D. is a Maternal & Fetal Medicine Physician provider in Warren, OH (NPI 1699770354).
Provider details
- NPI number
- 1699770354
- Entity type
- Individual
- Primary specialty
- Maternal & Fetal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-06-1099-S (OH)
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
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1 Akron General AveAkron, OH 44307-2432Phone: (330) 384-1650Fax: (330) 384-1651
Registry dates
- Enumerated
- 2005-06-17
- Last updated
- 2021-12-27
- Certified
- 2021-12-27
Frequently asked questions
- What is John Stewart's NPI number?
- John Stewart's National Provider Identifier (NPI) is 1699770354, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Stewart's specialty?
- John Stewart is listed in the NPPES registry with a primary specialty of Maternal & Fetal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Stewart located?
- John Stewart's practice location on file with NPPES is 627 Eastland Ave Se Ste 202, Warren, OH 44484-4501.
- What is John Stewart's phone number?
- The practice phone number listed in the NPPES registry for John Stewart is (330) 306-5004.
- Does John Stewart accept Medicare?
- John Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Stewart's NPI active?
- Yes — John Stewart's NPI (1699770354) is active in the NPPES registry as of the last update on 2021-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.