NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Cheryl Ann Tanasovich, M.D.

Procedural Dermatology Physician in Greenbrae, CA · enumerated 2006.

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

National Provider Identifier

1215960844

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Registry record

Entity type Individual (Type 1)
Name Cheryl Ann Tanasovich
Credential M.D.
Sex Female
Practice address Greenbrae, CA, 94904
Fax (415) 925-9062
Enumeration date Jul 8, 2006
Last updated in NPPES Jul 18, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207NS0135X Procedural Dermatology Physician Allopathic & Osteopathic Physicians · License G53455 (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
00G534551 Other CA MEDI-CAL PROVIDER NUMBER
931041613 Other CA TRICARE PROVIDER NUMBER
0004133440 Other CA AETNA PROVIDER NUMBER
00G534550 Other CA BLUE SHIELD PROV #
070003525 Other CA RAILROAD MEDICARE PROV #

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.

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Frequently asked questions

How do I verify Cheryl Tanasovich's NPI record?
Cross-check NPI 1215960844 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1215960844 active?
Yes, as of the latest NPPES snapshot, NPI 1215960844 is active (record last updated 2007-07-18).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-18.