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

Dr. Daisy-Scarlett Maccallum, M.D

Family Medicine Physician in Walnut Creek, CA · enumerated 2012.

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

National Provider Identifier

1508120924

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Registry record

Entity type Individual (Type 1)

Name Dr. Daisy-Scarlett Maccallum

Credential M.D

Sex Female

Practice address Walnut Creek, CA, 94597

Phone (925) 296-9000

Enumeration date Jun 29, 2012

Last updated in NPPES Mar 26, 2025

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

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD61221098 (WA) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License A149181 (CA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License A149181 (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

What is the NPI number for Daisy-Scarlett Maccallum?

The National Provider Identifier (NPI) for Daisy-Scarlett Maccallum is 1508120924, a Type 1 (individual) record in the CMS NPPES registry.

Where does Daisy-Scarlett Maccallum practice?

The practice location on file with NPPES is in Walnut Creek, 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 2025-03-26.