What is Marc Lefief's NPI number?

Marc Lefief's National Provider Identifier (NPI) is 1770566002, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Marc Lefief's specialty?

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

Where is Marc Lefief located?

Marc Lefief's practice location on file with NPPES is 10681 E Highway 26, Stockton, CA 95215-9579.

What is Marc Lefief's phone number?

The practice phone number listed in the NPPES registry for Marc Lefief is (209) 461-5486.

Is Marc Lefief's NPI active?

Yes — Marc Lefief's NPI (1770566002) is active in the NPPES registry as of the last update on 2025-09-11.

IndividualActive

Marc Lefief, PHARM D.

NPI 1770566002 · Pharmacist · Stockton, CA

Marc Lefief, PHARM D. is a Pharmacist provider in Stockton, CA (NPI 1770566002).

Provider details

NPI number: 1770566002
Entity type: Individual
Primary specialty: PharmacistPharmacy Service Providers
Credential: PHARM D.
Sex: Male
License: 36831 (CA)

Specialties & taxonomies

PharmacistPrimary183500000XLicense 36831 (CA)
Pharmacy Service Providers
Nutrition Support Pharmacist1835N1003XLicense 36831 (CA)
Pharmacy Service Providers

Profile Score

Detailed profile(91/100 index)

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

Registry tenure38% of score
20 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

10681 E Highway 26

Stockton, CA 95215-9579

Phone: (209) 461-5486

Fax: (209) 461-6890

Street-level locationGet directions

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Mailing address