What is William Mccallum's NPI number?

William Mccallum's National Provider Identifier (NPI) is 1508978024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Mccallum's specialty?

William Mccallum is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is William Mccallum located?

William Mccallum's practice location on file with NPPES is 1580 W El Camino Real Ste 1, Mountain View, CA 94040-2461.

What is William Mccallum's phone number?

The practice phone number listed in the NPPES registry for William Mccallum is (650) 964-1505.

Is William Mccallum's NPI active?

Yes — William Mccallum's NPI (1508978024) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William Mccallum, M.D.

NPI 1508978024 · Specialist · Mountain View, CA

William Mccallum, M.D. is a Specialist provider in Mountain View, CA (NPI 1508978024).

Provider details

NPI number: 1508978024
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: A30537 (CA)

Specialties & taxonomies

SpecialistPrimary174400000XLicense A30537 (CA)
Other Service Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1580 W El Camino Real Ste 1

Mountain View, CA 94040-2461

Phone: (650) 964-1505

Fax: (650) 964-1522

Street-level locationGet directions

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Mailing address