Dr Steven A Portney, MD - Medicare Rheumatology in Southfield, MI

Dr Steven A Portney, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Southfield, Michigan. He went to University Of Michigan Medical School and graduated in 1985 and has 39 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Ascension St John Hospital and his current practice location is 22250 Providence Dr, Suite #200, Southfield, Michigan. You can reach out to his office (for appointments etc.) via phone at (248) 552-0242.

Dr Steven A Portney is licensed to practice in Minnesota (license number SP057396) 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 1609944396.

Contact Information

Dr Steven A Portney, MD
22250 Providence Dr, Suite #200,
Southfield, MI 48075-6210
(248) 552-0242
(248) 552-8418

Map and Direction




Physician's Profile

Full NameDr Steven A Portney
GenderMale
SpecialityRheumatology
Experience39 Years
Location22250 Providence Dr, Southfield, Michigan
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:
  • Dr Steven A Portney attended and graduated from University Of Michigan Medical School in 1985
  NPI Data:
  • NPI Number: 1609944396
  • Provider Enumeration Date: 12/01/2006
  • Last Update Date: 10/03/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 8426145111
  • Enrollment ID: I20071026000645

Medical Identifiers

Medical identifiers for Dr Steven A Portney such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1609944396NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology SP057396 (Minnesota)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ascension St John HospitalDetroit, MIHospital
Beaumont Hospital - DearbornDearborn, MIHospital
Beaumont Hospital Royal OakRoyal oak, MIHospital
Ascension Providence Hospital, Southfield And NoviSouthfield, MIHospital
St Joe Mercy Hospital System LivoniaLivonia, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ascension St John Hospital3173424082279

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. Dr Steven A Portney allows following entities to bill medicare on his behalf.
Entity NameAscension St John Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043478910
PECOS PAC ID: 3173424082
Enrollment ID: O20040115000409

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. Dr Steven A Portney 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
Dr Steven A Portney, MD
22250 Providence Dr, Suite #200,
Southfield, MI 48075-6210

Ph: (248) 552-0242
Dr Steven A Portney, MD
22250 Providence Dr, Suite #200,
Southfield, MI 48075-6210

Ph: (248) 552-0242

Reviews and Comments


Internal Medicine Doctors in Southfield, MI

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Dr. Herman Kado, M.D.
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Practice Location: 28625 Northwestern Hwy, Suite 150, Southfield, MI 48034
Phone: 248-587-2300    Fax: 248-945-0492

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.