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

Dr. Susan M Sleep, MD

Individual provider Internal Medicine Physician · NPI 1750458816

Dr. Susan M Sleep, MD is an Internal Medicine in Los Alamitos, California. Graduated from University of Southern California Keck School of Medicine in 1988, 38 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
38
Trained at
University of Southern California Keck School of Medicine
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

3742 Katella Ave Ste 302
Los Alamitos, CA 90720-2445
Phone: (562) 936-0292
Fax: (562) 936-1943
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G66731 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G066731 (CA)

Record details

NPI number1750458816
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 30, 2006
Last updated in NPPESNovember 16, 2020
Certification dateNovember 16, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesDERMATOLOGY
Medical schoolUNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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