What is Alexander Marnoff's NPI number?

Alexander Marnoff's National Provider Identifier (NPI) is 1831022177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alexander Marnoff's specialty?

Alexander Marnoff is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).

Where is Alexander Marnoff located?

Alexander Marnoff's practice location on file with NPPES is 17051 Bear Valley Rd, Hesperia, CA 92345-1845.

What is Alexander Marnoff's phone number?

The practice phone number listed in the NPPES registry for Alexander Marnoff is (760) 948-7901.

Is Alexander Marnoff's NPI active?

Yes — Alexander Marnoff's NPI (1831022177) is active in the NPPES registry as of the last update on 2026-06-05.

IndividualActive

Alexander Marnoff, PHARMD

NPI 1831022177 · Pharmacist · Hesperia, CA

Alexander Marnoff, PHARMD is a Pharmacist provider in Hesperia, CA (NPI 1831022177).

Provider details

NPI number: 1831022177
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARMD
Sex: Male
Sole proprietor: No
License: 92361 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 92361 (CA)
Pharmacy Service Providers

Profile Score

Established profile(52/100 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

17051 Bear Valley Rd

Hesperia, CA 92345-1845

Phone: (760) 948-7901

Street-level locationGet directions

More CA providers

Mailing address