John W Stewart Jr, MD - Medicare Obstetrics/gynecology in Warren, OH

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John W Stewart Jr, MD is a medicare enrolled "Obstetrics & Gynecology - Maternal & Fetal Medicine" physician in Warren, Ohio. He went to University Of Cincinnati College Of Medicine and graduated in 1987 and has 37 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice Mercy Health Physicians Youngstown Specialty Care Llc and his current practice location is 627 Eastland Ave Se Ste 202, Warren, Ohio. You can reach out to his office (for appointments etc.) via phone at (330) 306-5004.

John W Stewart Jr is licensed to practice in Ohio (license number 35-06-1099-S) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1699770354.

Contact Information

John W Stewart Jr, MD
627 Eastland Ave Se Ste 202,
Warren, OH 44484-4501
(330) 306-5004
(330) 729-7915

Map and Direction




Physician's Profile

Full NameJohn W Stewart Jr
GenderMale
SpecialityObstetrics/gynecology
Experience37 Years
Location627 Eastland Ave Se Ste 202, Warren, Ohio
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John W Stewart Jr attended and graduated from University Of Cincinnati College Of Medicine in 1987
  NPI Data:
  • NPI Number: 1699770354
  • Provider Enumeration Date: 06/17/2005
  • Last Update Date: 12/27/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 1557395308
  • Enrollment ID: I20090401000038

Medical Identifiers

Medical identifiers for John W Stewart Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699770354NPI-NPPES
1841239274OtherOHPARTNERS PHYSICIAN GROUP TYPE 2 NPI #
9338635OtherOHPARTNERS PHYSICIAN GROUP MEDICARE GROUP #
4306793OtherOHAETNA #
0852984MedicaidOH
2551671OtherOHPARTNERS PHYSICIAN GROUP MEDICAID GROUP #

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207VM0101XObstetrics & Gynecology - Maternal & Fetal Medicine 35-06-1099-S (Ohio)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Health Physicians Youngstown Specialty Care Llc3476950296389

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. John W Stewart Jr allows following entities to bill medicare on his behalf.
Entity NameMercy Health Physicians Youngstown Specialty Care Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649892225
PECOS PAC ID: 3476950296
Enrollment ID: O20210921003835

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John W Stewart Jr is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John W Stewart Jr, MD
627 Eastland Ave Se Ste 202,
Warren, OH 44484-4501

Ph: (330) 306-5004		John W Stewart Jr, MD
627 Eastland Ave Se Ste 202,
Warren, OH 44484-4501

Ph: (330) 306-5004

Reviews and Comments


Obstetrics & Gynecology Doctors in Warren, OH

Dr. Natalie Ann Mondary, MD
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Practice Location: 1651 E Market St, Warren, OH 44483
Phone: 330-394-4900    Fax: 330-394-6900
Dr. Jean Anne Cairns, MD
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Practice Location: 1651 E Market St, Warren, OH 44483
Phone: 330-394-4900    Fax: 330-394-6900
Dr. Paresh Girdharlal Mehta, MD
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Practice Location: 2390 Parkman Rd Nw, Warren, OH 44485
Phone: 330-373-1414    Fax: 330-399-5041
Dr. Amine R Abdul-aal, M.D.
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Medicare: May Accept Medicare Assignments
Practice Location: 200 Garfield Dr Ne, Suite 1, Warren, OH 44483
Phone: 330-372-1828    Fax: 330-372-2659
Ashok Aggarwal, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 4439 Mahoning Ave Nw, Warren, OH 44483
Phone: 330-847-9033    Fax: 330-847-7913
Dr. Anthony R Desalvo, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1842 E Market St, Warren, OH 44483
Phone: 330-856-7212    Fax: 330-856-6101

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.