NPPES file of Aug 9, 2026

Nina Karlsen Ayala, MD

Maternal & Fetal Medicine Physician · Providence, RI

Nina Karlsen Ayala, MD is a maternal & fetal medicine physician with a practice address in Providence, Rhode Island, and NPI 1669899522, issued on Mar 27, 2014. Check the license (Rhode Island MD16234, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1669899522
Name
Nina Karlsen Ayala
Credential
MD
Primary taxonomy
Maternal & Fetal Medicine Physician 207VM0101X
License number
MD16234 RI
Self-reported in NPPES; status is on the state search
Practice location
101 Plain St FL 6, Providence, RI 02903
Phone
(401) 274-1122
Enumerated
Mar 27, 2014
Record last updated
Jul 9, 2024
Medicare enrollment
Enrolled (PECOS I20210720000223); 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 101 Plain St FL 6

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

  1. Kerry Ahern, M.S. CGCGenetic Counselor (M.S.)1669533329
  2. Elian BentleyGenetic Counselor (M.S.)1750066684
  3. Matthew Esposito, M.D.Maternal & Fetal Medicine Physician1215918396
  4. Alexis Gimovsky, MDMaternal & Fetal Medicine Physician1740422401
  5. William Grobman, MDMaternal & Fetal Medicine Physician1508895129
  6. Jacquelyn Halliday, MS, CGCGenetic Counselor (M.S.)1376604116

Verify Nina Karlsen Ayala in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD16234    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
Open the Rhode Island 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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Bills Medicare through 2 group practices

  1. Affinity Physicians LLC.Warwick, RI
  2. Wih Faculty Physicians, IncFall River, MA

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

Maternal & Fetal Medicine Physician providers in Rhode Island

There are 20 maternal & fetal medicine physician records in Rhode Island.

All 20 in Rhode Island → Every provider in Providence →

Other maternal & fetal medicine physician records in Rhode Island

  1. Leah Battista, MDProvidence, RI1063560969
  2. Tanya Booker, MDProvidence, RI1407054679
  3. Stephen Carr, MDProvidence, RI1194756379
  4. Matthew Esposito, M.D.Providence, RI1215918396
  5. Alexis Gimovsky, MDProvidence, RI1740422401
  6. Laurie Griffin, MD, PHDProvidence, RI1396238325
  7. William Grobman, MDProvidence, RI1508895129
  8. Alisse Hauspurg-Janicki, MDProvidence, RI1639432180
  9. Zeinab Kassem, MDProvidence, RI1144780586
  10. Martha Kole-White, MDProvidence, RI1477993160

Common questions

What is Nina Karlsen Ayala, MD's NPI number?

Nina Karlsen Ayala, MD's National Provider Identifier (NPI) is 1669899522, issued on Mar 27, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nina Karlsen Ayala, MD located?

The NPPES record lists a practice address at 101 Plain St FL 6, Providence, RI, 02903. Phone: (401) 274-1122. Providers update this record themselves, so call before visiting.

How can I verify Nina Karlsen Ayala, MD's license?

NPPES lists Rhode Island license number MD16234, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.