Doctor profile · Federal record

Dr. Carly Gerretsen, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Buffalo, NY

  • NPI 1871783134
  • Accepts Medicare
  • 20 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Elm and Carlton St
Buffalo, NY 142630001
(716) 845-2300
fax (716) 845-4341

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
February 2, 2011
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New York #F335122
Medicaid
NY #02904727

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871783134. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$55
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $28.53
Janssen Biotech, Inc. 1 $26.47

By nature of payment

Food and Beverage
$55

Frequently asked questions

Auto-generated from federal data
What is Dr. Carly Gerretsen's medical specialty?
Dr. Carly Gerretsen practices Family Nurse Practitioner in Buffalo, NY.
Where does Dr. Carly Gerretsen practice?
Dr. Carly Gerretsen practices at Elm and Carlton St, Buffalo, NY 142630001. Office phone: 7168452300.
What is Dr. Carly Gerretsen's NPI?
Dr. Carly Gerretsen's National Provider Identifier (NPI) is 1871783134, issued by NPPES.
Does Dr. Carly Gerretsen accept Medicare assignment?
Yes. Dr. Carly Gerretsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.