What is Marc Brown's NPI number?

Marc Brown's National Provider Identifier (NPI) is 1285509562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marc Brown's specialty?

Marc Brown is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).

Where is Marc Brown located?

Marc Brown's practice location on file with NPPES is 1208 Araquipa Ct, Vacaville, CA 95687-6572.

What is Marc Brown's phone number?

The practice phone number listed in the NPPES registry for Marc Brown is (510) 685-9527.

Is Marc Brown's NPI active?

Yes — Marc Brown's NPI (1285509562) is active in the NPPES registry as of the last update on 2025-10-07.

IndividualActive

Marc Brown

NPI 1285509562 · Diagnostic Radiology Physician · Vacaville, CA

Marc Brown is a Diagnostic Radiology Physician provider in Vacaville, CA (NPI 1285509562).

Provider details

NPI number: 1285509562
Entity type: Individual
Primary specialty: Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: RHF00122662 (CA)

Specialties & taxonomies

Diagnostic Radiology PhysicianPrimary2085R0202XLicense RHF00122662 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(54/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

1208 Araquipa Ct

Vacaville, CA 95687-6572

Phone: (510) 685-9527

Street-level locationGet directions

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Mailing address