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JOHN W STEWART JR. M.D.
NPI 1699770354
Obstetrics & Gynecology - Maternal & Fetal Medicine in Warren, OH

Active since June 17, 2005PECOS EnrolledAccepts Medicare Assignment
627 EASTLAND AVE SE STE 202, WARREN, OH 44484(330) 306-5004(330) 729-7915 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 27, 2021, Dec 4, 2015 (2 updates tracked since 2015).

About John W Stewart Jr. M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN W STEWART JR. M.D. (NPI 1699770354) is an individual maternal & fetal medicine provider in Warren, Ohio, licensed in Ohio (35-06-1099-S) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, is affiliated with Mercy St Vincent Medical Center, and is a graduate of University Of Cincinnati College Of Medicine (1987).

NPPES Registry Identity

NPI1699770354
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameJOHN W STEWART JR.Credential: M.D.
Location Address627 EASTLAND AVE SE STE 202Warren, OH 44484-4501
Mailing Address627 Eastland Ave Se Ste 202Warren, OH 44484-4501 · (330) 306-5004 · Fax (330) 729-7915
Phone(330) 306-5004
Fax(330) 729-7915
Sole ProprietorNo
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 1987
Enumeration DateJune 17, 2005
Last NPPES UpdateDecember 27, 20212 updates tracked since enumeration
NPPES CertifiedDecember 27, 2021
✔ NPI 1699770354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in OH · 35-06-1099-S
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
627 EASTLAND AVE SE STE 202, Warren, OH 44484
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Other Identifiers 5

Medicaid0852984OH
Other2551671OH · Partners Physician Group Medicaid Group #
Other1841239274OH · Partners Physician Group Type 2 Npi #
Other4306793OH · Aetna #
Other9338635OH · Partners Physician Group Medicare Group #

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John W Stewart Jr. M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557395308
PECOS Enrollment IDI20090401000038
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy St Vincent Medical Center

Acute Care Hospitals · Toledo, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number360112
Location2213 Cherry StreetToledo, OH 43608 · Lucas County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44484 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$68.07 typical visit price
range $17.10 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Stewart's NPI number?

The NPI number for John Stewart is 1699770354. It was assigned to this individual provider in the NPPES registry on June 17, 2005.

Where is John Stewart located?

John Stewart practices at 627 Eastland Ave SE Ste 202, Warren, OH 44484. The listed phone number is (330) 306-5004.

What is John Stewart's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is John Stewart enrolled in Medicare?

Yes. John Stewart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Stewart accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource, McLaren Health Plan Community and MedMutual and 2 other insurers list John Stewart as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Stewart affiliated with any hospitals?

According to CMS data, John Stewart is affiliated with Mercy St Vincent Medical Center.

When was this NPI record last updated?

The NPPES record for John Stewart was last updated on December 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.