Jack E. Ansell, M.D.
Hematology (Internal Medicine) Physician · New York, NY
Jack E. Ansell, M.D. is a hematology (internal medicine) physician with a practice address in New York, New York, and NPI 1679559652, issued on Dec 21, 2005. Check the license (New York 249338, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jack E. Ansell
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- 249338 NY
36584 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E 77TH St, New York, NY 10075
- Phone
- (212) 434-2142
- Enumerated
- Dec 21, 2005
- Record last updated
- Oct 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (212) 434-2246
- Medicaid IDs
- 2016648 MA
03022364 NY - Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 161 in New York → Look up another NPI →
Also registered at 100 E 77TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Aboseria, MDStudent in an Organized Health Care Education/Training Program1225616345
- Bincy Abraham, NPFamily Nurse Practitioner1427309947
- Abduljabar Adi, MDStudent in an Organized Health Care Education/Training Program1376346957
- Arzu Adiguzel, ACNPAcute Care Nurse Practitioner1598019127
- Alexia Adler, DNP, AGACNPAcute Care Nurse Practitioner1689593915
- Yeshayahu AdonolemRegistered Nurse1235055930
Verify Jack E. Ansell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 249338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
27 Medicare Part D claims, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D.
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.
Jack E. Ansell among 161 hematology (internal medicine) physician records in New York
Jack E. Ansell, M.D. is one of 161 hematology (internal medicine) physician records with a practice address in New York. 73% 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, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2008 · 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 207RH0000X 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 (Internal Medicine) Physician providers in New York
There are 161 hematology (internal medicine) physician records in New York.
All 161 in New York → Every provider in New York → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Sharon Hochweiss, M.D.New York, NY 100751417008889
- Kylee MaclachlanNew York, NY 100751053920793
- Dan Douer, M.D.New York, NY 100651700825171
- Bartlomiej Getta, MBBSNew York, NY 100651659726776
- Nikoletta Lendvai, M.D., PH.D.New York, NY 100651154549665
- Simon Mantha, MDNew York, NY 100651831131325
- Michael Mauro, MDNew York, NY 100651609884188
- Karthik Nath, MDNew York, NY 100651962166140
Common questions
What is Jack E. Ansell, M.D.'s NPI number?
Jack E. Ansell, M.D.'s National Provider Identifier (NPI) is 1679559652, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jack E. Ansell, M.D. located?
The NPPES record lists a practice address at 100 E 77TH St, New York, NY, 10075. Phone: (212) 434-2142. Providers update this record themselves, so call before visiting.
How can I verify Jack E. Ansell, M.D.'s license?
NPPES lists New York license number 249338, 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 Jack E. Ansell, M.D. prescribe under Medicare Part D?
In 2024, Jack E. Ansell, M.D. had 27 Medicare Part D claims; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions 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.
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.