Karen J. Haglof, M.D.
Hematology & Oncology Physician · New York, NY
Karen J. Haglof, M.D. is a hematology & oncology physician with a practice address in New York, New York, and NPI 1851336275, issued on Jun 19, 2006. Check the license (New York 224640, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Karen J. Haglof
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 224640 NY
ME83704 FL
Self-reported in NPPES; status is on the state search - Practice location
- 157 E 32ND St, New York, NY 10016
- Phone
- (212) 689-6791
- Enumerated
- Jun 19, 2006
- Record last updated
- Dec 7, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (212) 689-7059
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,163 in New York → Look up another NPI →
Also registered at 157 E 32ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Geri Robin, DMD, FAGDGeneral Practice Dentistry1376667055
Verify Karen J. Haglof 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 224640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
59 Medicare Part D claims for 17 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of 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.
Industry payments in 2024: $26.50
1 payment: food and beverage; the largest payer was Tempus AI, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Karen J. Haglof among 1,163 hematology & oncology physician records in New York
Karen J. Haglof, 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2009 · 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.
All 1,163 in New York → Every provider in New York → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- David Araten, M.D.New York, NY 100161649271420
- Abraham Chachoua, M.D.New York, NY 100161518968643
- Alec Goldenberg, MDNew York, NY 100161316926330
- David Green, MDNew York, NY 100161689627325
- Kennth Hymes, M.D.New York, NY 100161285626366
- Boris Kobrinsky, MDNew York, NY 100161295789600
- Marleen Meyers, M.D.New York, NY 100161144222175
- Tibor Moskovits, M.D.New York, NY 100161558362137
Common questions
What is Karen J. Haglof, M.D.'s NPI number?
Karen J. Haglof, M.D.'s National Provider Identifier (NPI) is 1851336275, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen J. Haglof, M.D. located?
The NPPES record lists a practice address at 157 E 32ND St, New York, NY, 10016. Phone: (212) 689-6791. Providers update this record themselves, so call before visiting.
How can I verify Karen J. Haglof, M.D.'s license?
NPPES lists New York license number 224640, 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 Karen J. Haglof, M.D. prescribe under Medicare Part D?
In 2024, Karen J. Haglof, M.D. had 59 Medicare Part D claims for 17 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.