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

Sudarshan Chatterjee MD Inc

Organization Internal Medicine Physician · NPI 1811536527

Sudarshan Chatterjee MD Inc is an Internal Medicine Physician in Montclair, California. Registered with an NPI since 2019.

In the registry since
2019
Specialties on file
3
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4950 San Bernardino St Ste 208
Montclair, CA 91763-2328
Phone: (909) 398-1503
Fax: (909) 398-4950
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X
Internal Medicine Physician Taxonomy 207R00000X
Interventional Cardiology Physician Taxonomy 207RI0011X

Record details

NPI number1811536527
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sudarshan Chatterjee — President · (978) 430-3082
NPI enumeratedDecember 27, 2019
Last updated in NPPESDecember 27, 2019
Certification dateDecember 27, 2019
Mailing address5810 E Trapper Trl, Anaheim, CA 92807-4734

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