Doctor profile · Federal record

Dr. Karolyn Maestas, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · New York, NY

  • NPI 1740756147
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
550 1St Ave
New York, NY 100166402
(212) 263-5800
Mailing address
1344 Wakeshire Ter
Ballwin, MO 630112931

Credentials & registration

NPPES · NUCC
NPI registered
October 2018 — 8 yrs on file
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
New York #0342532
Medicaid
NY #0342532

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740756147. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$64
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $45.33
Fisher & Paykel Healthcare Inc 1 $18.44

By nature of payment

Food and Beverage
$64

Frequently asked questions

Auto-generated from federal data
What is Dr. Karolyn Maestas's medical specialty?
Dr. Karolyn Maestas practices Certified Registered Nurse Anesthetist in New York, NY.
Where does Dr. Karolyn Maestas practice?
Dr. Karolyn Maestas practices at 550 1St Ave, New York, NY 100166402. Office phone: 2122635800.
What is Dr. Karolyn Maestas's NPI?
Dr. Karolyn Maestas's National Provider Identifier (NPI) is 1740756147, issued by NPPES.
Does Dr. Karolyn Maestas accept Medicare assignment?
Yes. Dr. Karolyn Maestas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.