NPPES file of Aug 9, 2026

Jan Philipp Bewersdorf, MD

Hematology & Oncology Physician · New Haven, CT

Jan Philipp Bewersdorf, MD is a hematology & oncology physician with a practice address in New Haven, Connecticut, and NPI 1174013601, issued on May 10, 2018. Check the license (Connecticut 75829, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174013601
Name
Jan Philipp Bewersdorf
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
75829 CT
Self-reported in NPPES; status is on the state search
Practice location
35 Park St, New Haven, CT 06519
Phone
(203) 200-4363
Enumerated
May 10, 2018
Record last updated
May 28, 2024
Fax
(203) 200-6385
Medicare enrollment
Enrolled (PECOS I20240701000451); accepts Medicare assignment
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 35 Park St

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

  1. Talita Acciari, APRNFamily Nurse Practitioner1275469777
  2. Jennifer Afranie-Sakyi, MDHematology & Oncology Physician1902369358
  3. Prasanna Ananth, MD, MPHPediatric Hematology & Oncology Physician1982865903
  4. Josephine Ankrah, PA-C, MPHPhysician Assistant1144968918
  5. Amanda AntonelliClinical Social Worker1932840105
  6. Mary Barden, MDNeurology Physician1568999480

Verify Jan Philipp Bewersdorf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 75829
    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 Connecticut license search

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88% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

108 Medicare Part D claims for 23 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.

  1. Jan Philipp Bewersdorf108
  2. Specialty average877

Most prescribed

  1. Venclexta17 claims
  2. Acyclovir13 claims
  3. Levofloxacin13 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: $121.54

3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.

  1. Jan Philipp Bewersdorf$121.54
  2. Specialty average$7,481.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Yale UniversityNew Haven, CT

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

Jan Philipp Bewersdorf among 198 hematology & oncology physician records in Connecticut

Jan Philipp Bewersdorf, MD is one of 198 hematology & oncology physician records with a practice address in Connecticut. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.

  • NPI issued2018 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2017 · median 2003 among the 139 with a school on file
  • Record last updated2024 · 67% 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 Connecticut 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 Connecticut

There are 198 hematology & oncology physician records in Connecticut.

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

  1. Jennifer Afranie-Sakyi, MDNew Haven, CT 065191902369358
  2. Jeremy Jacox, MD, PHDNew Haven, CT 065191811424070
  3. Shalin Kothari, MDNew Haven, CT 065191417391525
  4. Karishma Mehra, MDNew Haven, CT 065191861706939
  5. Tarsheen Sethi, MD, MSCINew Haven, CT 065191831417773
  6. Eric Bleickardt, MDHamden, CT 065181265746879
  7. Thomas Fynan, MDHamden, CT 065181598706582
  8. Jeremy Kortmansky, MDHamden, CT 065181801835756

Common questions

What is Jan Philipp Bewersdorf, MD's NPI number?

Jan Philipp Bewersdorf, MD's National Provider Identifier (NPI) is 1174013601, issued on May 10, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jan Philipp Bewersdorf, MD located?

The NPPES record lists a practice address at 35 Park St, New Haven, CT, 06519. Phone: (203) 200-4363. Providers update this record themselves, so call before visiting.

How can I verify Jan Philipp Bewersdorf, MD's license?

NPPES lists Connecticut license number 75829, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jan Philipp Bewersdorf, MD prescribe under Medicare Part D?

In 2024, Jan Philipp Bewersdorf, MD had 108 Medicare Part D claims for 23 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.