William J Stewart, MD - Medicare Anesthesiology in Delaware, OH

William J Stewart, MD is a medicare enrolled "Anesthesiology" physician in Delaware, Ohio. He went to Ohio State University College Of Medicine and graduated in 1980 and has 44 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Ohiohealth Corporation, Midwest Physician Anesthesia Services, Inc. and his current practice location is 561 W Central Ave, Delaware, Ohio. You can reach out to his office (for appointments etc.) via phone at (740) 615-1000.

William J Stewart is licensed to practice in Ohio (license number 35046238S) 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 1538107313.

Contact Information

William J Stewart, MD
561 W Central Ave,
Delaware, OH 43015-1410
(740) 615-1000
Not Available

Map and Direction




Physician's Profile

Full NameWilliam J Stewart
GenderMale
SpecialityAnesthesiology
Experience44 Years
Location561 W Central Ave, Delaware, 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:
  • William J Stewart attended and graduated from Ohio State University College Of Medicine in 1980
  NPI Data:
  • NPI Number: 1538107313
  • Provider Enumeration Date: 06/03/2006
  • Last Update Date: 05/02/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1759573587
  • Enrollment ID: I20101012000169

Medical Identifiers

Medical identifiers for William J Stewart such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538107313NPI-NPPES
0543559MedicaidOH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 35046238S (Ohio)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Grady Memorial HospitalDelaware, OHHospital
Riverside Methodist HospitalColumbus, OHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ohiohealth Corporation63057584261940
Midwest Physician Anesthesia Services, Inc.8921997230110

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. William J Stewart allows following entities to bill medicare on his behalf.
Entity NameOhiohealth Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578545273
PECOS PAC ID: 6305758426
Enrollment ID: O20031105000532
Entity NameMidwest Physician Anesthesia Services, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598703951
PECOS PAC ID: 8921997230
Enrollment ID: O20040315000130

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. William J Stewart 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
William J Stewart, MD
Po Box 7527,
Dublin, OH 43017-0727

Ph: () -
William J Stewart, MD
561 W Central Ave,
Delaware, OH 43015-1410

Ph: (740) 615-1000

Reviews and Comments


Anesthesiology Doctors in Delaware, OH

Dr. Koteswara R. Nalluri, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 561 W Central Ave, Delaware, OH 43015
Phone: 740-615-1000    Fax: 740-615-2142
Richard P. Belch, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 561 W Central Ave, Delaware, OH 43015
Phone: 740-615-1324    Fax: 740-615-1344
Danamarie E. Aminian, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 801 Ohio Health Blvd, St 270, Delaware, OH 43015
Phone: 740-615-2222    Fax: 740-615-0330
Dr. Samar B Singh, DO
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 561 W Central Ave, Delaware, OH 43015
Phone: 740-615-1324    Fax: 740-615-1344
Shawn Cuevas,
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 561 W Central Ave, Delaware, OH 43015
Phone: 740-615-1000    
Dr. Nicolay N. Kazimirko, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 561 W Central Ave, Delaware, OH 43015
Phone: 740-615-1324    Fax: 740-615-1344

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.