Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Lester Samuel Holstein III, MD

Individual provider Family Medicine Physician · NPI 1720088792

Lester Samuel Holstein III, MD is a Family Practice in Claremont, California. Graduated from Loma Linda University School of Medicine in 1988, 38 years ago. Practices with Premier Family Medicine Associates, Inc, a 65-clinician group, works from 2 locations and offers telehealth. Licensed in California.

Years since qualifying
38
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1601 Monte Vista Ave Ste 100
Claremont, CA 91711-6601
Phone: (909) 630-7938
Fax: (909) 469-2118
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3110 Chino Ave Ste 150a, Chino Hills, CA 91709-1295 — (909) 630-7940

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G775600 (CA)

Record details

NPI number1720088792
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESFebruary 25, 2026
Certification dateFebruary 25, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Group practice Premier Family Medicine Associates, Inc — 65 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services

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