NPPES file of Aug 9, 2026

Timothy Ta-Chih Ferng, M.D.

Hematology & Oncology Physician · New York, NY

Timothy Ta-Chih Ferng, M.D. is a hematology & oncology physician with a practice address in New York, New York, and NPI 1548587546, issued on Apr 29, 2010. Check the license 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
1548587546
Name
Timothy Ta-Chih Ferng
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
A136491 CA
Self-reported in NPPES; status is on the state search
Practice location
1275 York Ave, New York, NY 10065
Phone
(212) 639-2000
Enumerated
Apr 29, 2010
Record last updated
Jul 17, 2024
Medicare enrollment
Enrolled (PECOS I20180814003799); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2010
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. Nivedita Aanur, M.D.Internal Medicine Physician1982833471
  2. Amy Aaronson, AC-PNP, RNCritical Care Pediatric Nurse Practitioner1407323504
  3. Michelle Abboud, N.P.Acute Care Nurse Practitioner1730596008
  4. Gina Abdulahad, PA-CPhysician Assistant1174027064
  5. Wassim Abida, MD, PHDHematology & Oncology Physician1518101096
  6. Lincy Abraham, NPPediatric Nurse Practitioner1295003739

Verify Timothy Ta-Chih Ferng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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

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92% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

73 Medicare Part D claims for 11 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Timothy Ferng73
  2. Specialty average877

Most prescribed

  1. Venclexta14 claims
  2. Voriconazole11 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): 74.5 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. Qualitynot scored (reweighted)
  2. Costout of 100 · 30%46.7
  3. Promoting interoperabilityout of 100 · 25%76.0
  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 3 group practices

  1. Regents OF The University OF CaliforniaSan Francisco, CA
  2. Ucsf Medical Group Business ServicesSan Francisco, CA
  3. University OF California San FranciscoSan Francisco, CA

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

Timothy Ta-Chih Ferng among 1,163 hematology & oncology physician records in New York

Timothy Ta-Chih Ferng, M.D. is one of 1,163 hematology & oncology physician records with a practice address in New York. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 66% of them.

  • NPI issued2010 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2010 · median 2002 among the 833 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in New York

There are 1,163 hematology & oncology physician records in New York.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Massimo Cristofanilli, M.D.New York, NY 100651891880563
  2. James Fetten, M.D.New York, NY 100651811966435
  3. Richard Geltman, MDNew York, NY 100651659362242
  4. Sergio Giralt, M.D.New York, NY 100651639278880
  5. Ross Levine, MDNew York, NY 100651225011091
  6. Raymond Pastore, M.D.New York, NY 100651124027487
  7. Jacob Rand, MDNew York, NY 100651164531828
  8. Charles Rudin, M.D., PH.D.New York, NY 100651467483404

Common questions

What is Timothy Ta-Chih Ferng, M.D.'s NPI number?

Timothy Ta-Chih Ferng, M.D.'s National Provider Identifier (NPI) is 1548587546, issued on Apr 29, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Ta-Chih Ferng, M.D. located?

The NPPES record lists a practice address at 1275 York Ave, New York, NY, 10065. Phone: (212) 639-2000. Providers update this record themselves, so call before visiting.

How can I verify Timothy Ta-Chih Ferng, M.D.'s license?

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 Timothy Ta-Chih Ferng, M.D. prescribe under Medicare Part D?

In 2024, Timothy Ta-Chih Ferng, M.D. had 73 Medicare Part D claims for 11 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Timothy Ta-Chih Ferng, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.5 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.