Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Heather Whipple Clague, M.D.

Psychiatry Physician in Oakland, CA · enumerated 2006.

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

National Provider Identifier

1245287663

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Registry record

Entity type Individual (Type 1)

Name Ms. Heather Whipple Clague

Credential M.D.

Sex Female

Practice address 6355 Telegraph Ave, Suit 203, Oakland, CA, 94609

Phone (519) 869-4999

Fax (510) 985-7347

Enumeration date May 30, 2006

Last updated in NPPES Jan 10, 2018

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License MD185552 (OR) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License A73207 (CA) 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

Where does Heather Clague practice?

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

What is the NPI number for Heather Clague?

The National Provider Identifier (NPI) for Heather Clague is 1245287663, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-01-10.