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

Manak Sethi, MD

Individual provider Internal Medicine Physician · NPI 1881806818

Manak Sethi, MD is a Hospitalist in Rancho Cucamonga, California. Qualified in 1999, 27 years ago. Practices with Galen Inpatient Physicians PC, a 1,031-clinician group. Licensed in California.

Years since qualifying
27
Licensed in
CA
In the registry since
2007
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 PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 4649
Rancho Cucamonga, CA 91729-4649
Phone: (626) 859-4155
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A 99165 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A99165 (CA)

Record details

NPI number1881806818
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 3, 2007
Last updated in NPPESJune 11, 2024
Certification dateJune 11, 2024
Mailing addressPo Box 4649, Rancho Cucamonga, CA 91729-4649

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Galen Inpatient Physicians Pc — 1031 clinicians
Accepts Medicare assignment Not indicated
Practice locations5 on file with Medicare

Other providers in Rancho Cucamonga