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

Dr. Leslie Ann Klein, DO

Individual provider Family Medicine Physician · NPI 1215151006

Dr. Leslie Ann Klein, DO is a Family Practice in Montebello, California. Qualified in 1997, 29 years ago. Practices with Mosaic Family Care Medical Group Inc, a 3-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Licensed in
CA
In the registry since
2007
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

101 W Beverly Bl Ste 300
Montebello, CA 90640
Phone: (323) 728-1201
Fax: (323) 728-3735
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20A7293 (CA)

Record details

NPI number1215151006
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 12, 2007
Last updated in NPPESFebruary 18, 2011
Mailing address101 W Beverly Blvd, Suite 300, Montebello, CA 90640

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesOSTEOPATHIC MANIPULATIVE MEDICINE
Medical schoolOTHER
Graduated 1997 (29 years in practice)
Group practice Mosaic Family Care Medical Group Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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