Jennifer P. Stone, M.D.
Hematology & Oncology Physician · Ayer, MA
Jennifer P. Stone, M.D. is a hematology & oncology physician with a practice address in Ayer, Massachusetts, and NPI 1770672347, issued on Oct 12, 2006. Check the license (Massachusetts 76203, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jennifer P. Stone
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 76203 MA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Groton RD, Ayer, MA 01432
- Phone
- (978) 784-9357
- Enumerated
- Oct 12, 2006
- Record last updated
- Oct 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 461 in Massachusetts → Look up another NPI →
Also registered at 200 Groton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Steven Balser, M.D.Emergency Medical Services (Emergency Medicine) Physician1750468393
- Sanjay Basu, MDInternal Medicine Physician1285682450
- Marie Bennett, FNP-BCFamily Nurse Practitioner1215376405
- Colin Blake, MDAnesthesiology Physician1770565657
- Jessica Blood, RDRegistered Dietitian1174114672
Verify Jennifer P. Stone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 76203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
14 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.
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.
Jennifer P. Stone among 461 hematology & oncology physician records in Massachusetts
Jennifer P. Stone, 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 fileNo · 66% of these records are
- Record last updated2011 · 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 Ayer → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Abdul Sattar Memon, M.D.Fitchburg, MA 014201316901960
- Hannah Yamin, DOFitchburg, MA 014201841476934
- David Shepro, MDHolden, MA 015201912980947
- Andrei Bandarchuk, M.D.Southbridge, MA 015501013323831
- Jeffrey Gordon, M.D.Southbridge, MA 015501609857119
- Albina Kibirova, M.D.Southbridge, MA 015501962765487
- Christopher Seidler, MDSouthbridge, MA 015501497729347
- Jaroslaw Jac, MDWestborough, MA 015811326029802
Common questions
What is Jennifer P. Stone, M.D.'s NPI number?
Jennifer P. Stone, M.D.'s National Provider Identifier (NPI) is 1770672347, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer P. Stone, M.D. located?
The NPPES record lists a practice address at 200 Groton RD, Ayer, MA, 01432. Phone: (978) 784-9357. Providers update this record themselves, so call before visiting.
How can I verify Jennifer P. Stone, M.D.'s license?
NPPES lists Massachusetts license number 76203, 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 Jennifer P. Stone, M.D. prescribe under Medicare Part D?
In 2024, Jennifer P. Stone, M.D. had 14 Medicare Part D claims for 11 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.