Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor
Mr. Sudarshan Chatterjee, MD FACC
Interventional Cardiology Physician in Montclair, CA · enumerated 2006 · practices at Sudarshan Chatterjee MD Inc.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1750465712
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Registry record
Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 201274943 | Other | - | PRIVATE HEALTH SYSTEM |
| 419452 | Other | - | US FAMILY HEALTH |
| C43324 | Other | CA | MEDICAL BOARD OF CALIFORNIA -DEPARTMENT OF CONSUMER AFFAIRS |
| 302201063 | Other | - | EDS NH MEDICAID |
| 31496 | Other | - | FALLON COMM HEALTH PLANS |
| 981971 | Other | - | NETWORK HEALTH PLAN |
| 0014180 | Other | - | NEIGHBORHOOD HEALTH PLAN |
| 201274943 | Other | - | FIRST HEALTH |
| 2500732 | Other | - | UNITED HEALTH CARE |
| J09303 | Other | - | BCBS OF MASS |
| 2500732 | Other | - | EVERCARE |
| 60560 | Other | - | CIGNA |
| 053581 | Other | - | TUFTS HEALTH PLAN |
| 0104615YPM01 | Other | - | ANTHEM BLUE SHIELD |
| 3057607 | Medicaid | MA | - |
| 61066 | Other | - | HARVARD PILGRIM |
| 89673 | Other | - | AETNA USHC HMO ONLY |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
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Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-21.