NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ehsan Ansari, M.D.

Interventional Cardiology Physician in Waterbury, CT · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1841236312

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Ehsan Ansari
Credential M.D.
Sex Male
Practice address 455 Chase Pkwy, Waterbury, CT, 06708
Phone (203) 573-1435
Fax (203) 755-7433
Enumeration date Jun 21, 2006
Last updated in NPPES Mar 2, 2015

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 043316 (CT) Secondary
207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License 043316 (CT) Primary
207UN0901X Nuclear Cardiology Physician Allopathic & Osteopathic Physicians · License 043316 (CT) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
043316 Other CT CONNECTICARE
18-07336 Other CT UHC
2V5637 Other CT HEALTHNET/COMMERCIAL
1807336 Other CT UNITED HEALTHCARE
2V6532 Other CT HEALTH NET OF NORTHEAST
980014 Other CT USA
P3612135 Other CT OXFORD HEALTH PLANS
010043316CT01 Other CT ANTHEM BC & BS
1841236312 Medicaid CT -
18-07336 Other CT AMERICHOICE
5937452 Other CT AETNA HEALTH PLANS
043316 Other - CONNECTICARE
P00231450 Other CT RAILROAD MEDICARE
301027 Other CT WELLCARE
001433169 Medicaid CT -
010043316CT02 Other CT ANTHEM BCBS CT
6980371 Other CT CIGNA HEALTH PLANS

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Ehsan Ansari?
The National Provider Identifier (NPI) for Ehsan Ansari is 1841236312, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ehsan Ansari practice?
The practice location on file with NPPES is in Waterbury, CT. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-02.