NPPES file of Aug 9, 2026

Aylin Simsir, M.D.

Cytopathology Physician · New York, NY

Aylin Simsir, M.D. is a cytopathology physician with a practice address in New York, New York, and NPI 1386638542, issued on Sep 2, 2005. Check the license (New York 202951, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386638542
Name
Aylin Simsir
Credential
M.D.
Primary taxonomy
Cytopathology Physician 207ZC0500X
License number
202951 NY
Self-reported in NPPES; status is on the state search
Practice location
550 1St Ave, New York, NY 10016
Phone
(212) 263-5687
Enumerated
Sep 2, 2005
Record last updated
Mar 20, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110404000027); 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 Aylin Simsir in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 202951
    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 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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The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score93.3
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. New York UniversityNew York, NY

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

Aylin Simsir among 55 cytopathology physician records in New York

Aylin Simsir, M.D. is one of 55 cytopathology physician records with a practice address in New York. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 45% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated1990 · median 1989 among the 23 with a school on file
  • Record last updated2015 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZC0500X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cytopathology Physician providers in New York

There are 55 cytopathology physician records in New York.

The 8 cytopathology physician records with the nearest ZIP codes

  1. Joan Cangiarella, M.D.New York, NY 100161316930043
  2. Osvaldo Hernandez, M.D.New York, NY 100161619961869
  3. Allen Leung, M.D.New York, NY 100161477756013
  4. Thaira Oweity, M.D.New York, NY 100161124011861
  5. Xiao-Jun Wei, M.D.New York, NY 100161376604884
  6. Arnold Szporn, MDNew York, NY 100291952300717
  7. Ellen Greenebaum, MDNew York, NY 100321093842486
  8. Diane Hamele-Bena, M.D.New York, NY 100321548397870

Common questions

What is Aylin Simsir, M.D.'s NPI number?

Aylin Simsir, M.D.'s National Provider Identifier (NPI) is 1386638542, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Aylin Simsir, M.D. located?

The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (212) 263-5687. Providers update this record themselves, so call before visiting.

How can I verify Aylin Simsir, M.D.'s license?

NPPES lists New York license number 202951, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Aylin Simsir, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.