Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Steven A Portney, MD

Rheumatology Physician in Bingham Farms, MI · enumerated 2006 · practices at Newland Medical Associates, P.C..

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1609944396

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Registry record

Entity type Individual (Type 1)

Name Dr. Steven A Portney

Credential MD

Sex Male

Practice address 31500 Telegraph Rd Ste 225, Bingham Farms, MI, 48025

Phone (248) 552-0620

Enumeration date Dec 1, 2006

Last updated in NPPES May 6, 2026

Taxonomy & licenses

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License 4301057396 (MI) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Steven Portney?

The National Provider Identifier (NPI) for Steven Portney is 1609944396, a Type 1 (individual) record in the CMS NPPES registry.

Where does Steven Portney practice?

The practice location on file with NPPES is in Bingham Farms, MI. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-06.