NPPES file of Aug 9, 2026

Karolyn Elizabeth Maestas, CRNA

Certified Registered Nurse Anesthetist · New York, NY

Karolyn Elizabeth Maestas, CRNA is a certified registered nurse anesthetist with a practice address in New York, New York, and NPI 1740756147, issued on Oct 23, 2018. Check the license (New York 0342532, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740756147
Name
Karolyn Elizabeth Maestas
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
0342532 NY
Self-reported in NPPES; status is on the state search
Practice location
550 1St Ave, New York, NY 10016
Phone
(212) 263-5800
Enumerated
Oct 23, 2018
Record last updated
Oct 23, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid ID
0342532 NY
Medicare enrollment
Enrolled (PECOS I20200727003403); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 550 1St Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clarisse AbanillaPhysician Assistant1598445579
  2. Ehab Abaza, MDInternal Medicine Physician1114507555
  3. Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
  4. Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
  5. Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
  6. Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324

Verify Karolyn Elizabeth Maestas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 0342532    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $63.77

3 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karolyn Maestas$63.77
  2. Specialty average$135.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Metro-West Anesthesia Group IncBridgeton, MO
  2. Mid-West Anesthesia Partners LLCTown And Country, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Certified Registered Nurse Anesthetist providers in New York

There are 2,596 certified registered nurse anesthetist records in New York.

All 2,596 in New York → Every provider in New York →

Other certified registered nurse anesthetist records in New York

  1. Mariebelle AbelardeFlushing, NY1396116604
  2. Anna Abeyta, CRNANew York, NY1225714272
  3. Anastasia Abkarian-Winkler, CRNARochester, NY1104466150
  4. Grace Abogunrin, CRNABronx, NY1578826244
  5. Libu AbrahamValhalla, NY1851848394
  6. Nikil Abraham, CRNAManhasset, NY1962180455
  7. Zoe AbramsStaten Island, NY1205358538
  8. Margaret Abran, CRNANorwich, NY1932193919
  9. Foster Abrokwah, CRNASyracuse, NY1669047130
  10. Aaron Acello, RNRochester, NY1609377027

Common questions

What is Karolyn Elizabeth Maestas, CRNA's NPI number?

Karolyn Elizabeth Maestas, CRNA's National Provider Identifier (NPI) is 1740756147, issued on Oct 23, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Karolyn Elizabeth Maestas, CRNA located?

The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (212) 263-5800. Providers update this record themselves, so call before visiting.

How can I verify Karolyn Elizabeth Maestas, CRNA's license?

NPPES lists New York license number 0342532, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.