NPPES file of Aug 9, 2026

Dennis S. Chi, MD

Gynecologic Oncology Physician · New York, NY

Dennis S. Chi, MD is a gynecologic oncology physician with a practice address in New York, New York, and NPI 1245215565, issued on Dec 9, 2005. Check the license (New York 187616, 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 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245215565
Name
Dennis S. Chi
Credential
MD
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License number
187616 NY
Self-reported in NPPES; status is on the state search
Practice location
1275 York Ave, New York, NY 10021
Phone
(646) 227-3813
Enumerated
Dec 9, 2005
Record last updated
Jul 13, 2026
Medicare enrollment
Enrolled (PECOS I20100915001119); accepts Medicare assignment
Medical or professional school
New York University School Of Medicine, 1990
Telehealth
Offers telehealth (CMS)
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 1275 York Ave

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

  1. Ghassan Abou-Alfa, MDMedical Oncology Physician1134190168
  2. Andrea Abramson, MDDiagnostic Radiology Physician1952381030
  3. David H Abramson, MDOphthalmology Physician1235114026
  4. Sara Abramson, MDDiagnostic Radiology Physician1497733133
  5. Lauren Abrey, MDNeurology Physician1336110360
  6. Nadeem Abu-Rustum, MDGynecologic Oncology Physician1164407540

Verify Dennis S. Chi 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 187616
    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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58% fewer Medicare Part D claims than the average gynecologic oncology physician in 2024

81 Medicare Part D claims for 40 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D.

  1. Dennis Chi81
  2. Specialty average195

Most prescribed

  1. Metronidazole24 claims
  2. Neomycin Sulfate24 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 88.2 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 score81.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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 2 group practices

  1. Msk BergenMontvale, NJ
  2. Mskcc Surgery GroupNew York, NY

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

Dennis S. Chi among 181 gynecologic oncology physician records in New York

Dennis S. Chi, MD is one of 181 gynecologic oncology physician records with a practice address in New York. 85% 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, 83% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1990 · median 2003 among the 127 with a school on file
  • Record last updated2026 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in New York

There are 181 gynecologic oncology physician records in New York.

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Nadeem Abu-Rustum, MDNew York, NY 100211164407540
  2. Richard Barakat, MDNew York, NY 100211851376206
  3. Ann Marie Beddoe, M.D.New York, NY 100211609805068
  4. Carol Brown, MDNew York, NY 100211689659435
  5. Peter Dottino, M.D.New York, NY 100211932138468
  6. Mary Gemignani, MDNew York, NY 100211912981515
  7. Thomas Lallas, M.D.New York, NY 100211356410914
  8. Douglas Levine, MDNew York, NY 100211194700831

Common questions

What is Dennis S. Chi, MD's NPI number?

Dennis S. Chi, MD's National Provider Identifier (NPI) is 1245215565, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dennis S. Chi, MD located?

The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10021. Phone: (646) 227-3813. Providers update this record themselves, so call before visiting.

How can I verify Dennis S. Chi, MD's license?

NPPES lists New York license number 187616, 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.

How much does Dennis S. Chi, MD prescribe under Medicare Part D?

In 2024, Dennis S. Chi, MD had 81 Medicare Part D claims for 40 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.

What is Dennis S. Chi, MD's MIPS final score?

The 2023 MIPS final score is 88.2 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.