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

Dr. Carlos Humberto Mazariegos Letran, MD

Individual provider Hospitalist Physician · NPI 1477176899

Dr. Carlos Humberto Mazariegos Letran, MD is an Internal Medicine in Bakersfield, California. Qualified in 2017, 9 years ago. Practices with Galen Inpatient Physicians PC, a 1,031-clinician group and accepts Medicare assignment. Licensed in California and Illinois.

Years since qualifying
9
Licensed in
CA, IL
In the registry since
2020
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

2615 Chester Ave
Bakersfield, CA 93301-2014
Phone: (661) 395-3000
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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 125.077178 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence A187387 (CA)

Record details

NPI number1477176899
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 20, 2020
Last updated in NPPESNovember 25, 2025
Certification dateNovember 25, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Galen Inpatient Physicians Pc — 1031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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