Jan Cerny, M.D.
Hematology & Oncology Physician · Worcester, MA
Jan Cerny, M.D. is a hematology & oncology physician with a practice address in Worcester, Massachusetts, and NPI 1407887771, issued on Jul 5, 2006. Check the license (Massachusetts 227024, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jan Cerny
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 227024 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (774) 442-3903
- Enumerated
- Jul 5, 2006
- Record last updated
- Nov 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (774) 442-6715
- Medicaid ID
- 110073440A MA
- Medicare enrollment
- Enrolled (PECOS I20060717000291); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 461 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
- Paula Abate, NPNurse Practitioner1336265909
- Aly AbayazeedDiagnostic Radiology Physician1821221946
- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify Jan Cerny in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 227024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
325 Medicare Part D claims for 45 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. 12 claims were for opioids.
Most prescribed
- Jakafi17 claims
- Gabapentin15 claims
- Inqovi15 claims
- Levofloxacin15 claims
- Valacyclovir15 claims
- Pantoprazole Sodium12 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 MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $831.00
1 payment: consulting fee; the largest payer was Genzyme Corporation. 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.
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jan Cerny among 461 hematology & oncology physician records in Massachusetts
Jan Cerny, M.D. is one of 461 hematology & oncology physician records with a practice address in Massachusetts. 75% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1999 · median 2004 among the 303 with a school on file
- Record last updated2020 · 62% 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 Massachusetts 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 Massachusetts
There are 461 hematology & oncology physician records in Massachusetts.
All 461 in Massachusetts → Every provider in Worcester → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Tasneem Ali, M.D.Worcester, MA 016551629036553
- Athanasius Anagnostou, M.D.Worcester, MA 016551174505648
- Doreen Brettler, M.D.Worcester, MA 016551710960398
- Mary Costanza, M.D.Worcester, MA 016551073596656
- Kathryn Edmiston, M.D.Worcester, MA 016551306820790
- Neil Kluger, MDWorcester, MA 016551023114022
- Tariq Mughal, M.D.Worcester, MA 016551316914773
- Bilal Piperdi, M.D.Worcester, MA 016551063495901
Common questions
What is Jan Cerny, M.D.'s NPI number?
Jan Cerny, M.D.'s National Provider Identifier (NPI) is 1407887771, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jan Cerny, M.D. located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (774) 442-3903. Providers update this record themselves, so call before visiting.
How can I verify Jan Cerny, M.D.'s license?
NPPES lists Massachusetts license number 227024, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jan Cerny, M.D. prescribe under Medicare Part D?
In 2024, Jan Cerny, M.D. had 325 Medicare Part D claims for 45 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Jan Cerny, M.D.'s MIPS final score?
The 2023 MIPS final score is 97 of 100. 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.