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John C. Baker, MD

Clinical Genetics (M.D.) Physician in Phoenix, AZ · enumerated 2006.

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

National Provider Identifier

1659459444

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Registry record

Entity type Individual (Type 1)
Name John C. Baker
Credential MD
Sex Male
Practice address 1920 E Cambridge Ave Ste 304, Phoenix, AZ, 85006
Phone (602) 933-4363
Fax (602) 933-2415
Enumeration date Nov 1, 2006
Last updated in NPPES Jul 31, 2018

Taxonomy & licenses

207SG0201X Clinical Genetics (M.D.) Physician Allopathic & Osteopathic Physicians · License G77284 (CA) Secondary
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 56346 (AZ) Secondary
207SG0201X Clinical Genetics (M.D.) Physician Allopathic & Osteopathic Physicians · License 56346 (AZ) 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
00G772840 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.

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Frequently asked questions

What is the NPI number for John Baker?
The National Provider Identifier (NPI) for John Baker is 1659459444, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Baker practice?
The practice location on file with NPPES is in Phoenix, AZ. 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 2018-07-31.