Doctor profile · Federal record

Dr. Jennifer Gruen, M.D.

Pediatric Adolescent Medicine Physician · Westport, CT

  • NPI 1629036058
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
156 Kings Highway North
Westport, CT 06880
(203) 221-7337
fax (203) 291-0830

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
January 3, 2012
Specialty taxonomy
2080A0000X — NUCC code
State license (1)
Connecticut #035301

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629036058. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$69
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Cranial Technologies, INC 3 $48.86
Verrica Pharmaceuticals INC. 1 $19.95

By nature of payment

Food and Beverage
$69

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Gruen's medical specialty?
Dr. Jennifer Gruen practices Pediatric Adolescent Medicine Physician in Westport, CT.
Where does Dr. Jennifer Gruen practice?
Dr. Jennifer Gruen practices at 156 Kings Highway North, Westport, CT 06880. Office phone: 2032217337.
What is Dr. Jennifer Gruen's NPI?
Dr. Jennifer Gruen's National Provider Identifier (NPI) is 1629036058, issued by NPPES.