Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mac Lincoln Sterling, M.D.

Hospitalist Physician in Berkeley, CA · enumerated 2006.

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

National Provider Identifier

1730297805

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Registry record

Entity type Individual (Type 1)

Name Mac Lincoln Sterling

Credential M.D.

Sex Male

Practice address 2450 Ashby Ave Rm 5505, Berkeley, CA, 94705

Phone (510) 204-4444

Fax (510) 649-8287

Enumeration date Aug 28, 2006

Last updated in NPPES Feb 23, 2021

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License A60023 (CA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
A60023	Other	CA	STATE LICENSE
00A600230	Medicaid	CA	-

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

Is NPI 1730297805 active?

Yes, as of the latest NPPES snapshot, NPI 1730297805 is active (record last updated 2021-02-23).

How do I verify Mac Sterling's NPI record?

Cross-check NPI 1730297805 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-23.