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

Dr. Sudhir Sunder Rajan, MD

Individual provider Internal Medicine Physician · NPI 1396961249

Dr. Sudhir Sunder Rajan, MD is an Internal Medicine in Orange, California. Qualified in 2001, 25 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2007
Specialties on file
3
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

101 The City Dr S Bldg 53 RT 81
Orange, CA 92868-3201
Phone: (714) 456-5150
Show map & directions

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

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence A85191 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A85191 (CA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence A85191 (CA)

Record details

NPI number1396961249
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 18, 2007
Last updated in NPPESSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS), PULMONARY DISEASE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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