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Alexa Lee Calfee, MD MPH

Obstetrics & Gynecology Physician in Sonora, CA · enumerated 2013.

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

National Provider Identifier

1508108978

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Registry record

Entity type Individual (Type 1)
Name Alexa Lee Calfee
Credential MD MPH
Sex Female
Practice address 900 Greenley Rd Ste 922, Sonora, CA, 95370
Phone (209) 536-3750
Enumeration date Mar 22, 2013
Last updated in NPPES Mar 18, 2022

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License A166448 (CA) Primary

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 Alexa Calfee?
The National Provider Identifier (NPI) for Alexa Calfee is 1508108978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexa Calfee practice?
The practice location on file with NPPES is in Sonora, CA. 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 2022-03-18.