Kira Gritsman, MD
Hematology & Oncology Physician · Boston, MA
Kira Gritsman, MD is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1174598148, issued on Feb 22, 2006. Check the license (Massachusetts 220945, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kira Gritsman
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 220945 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit Street, Boston, MA 02114
- Phone
- (617) 724-2241
- Enumerated
- Feb 22, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20150212001329); may accept Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 461 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Abraham, M.D.Specialist1487743316
- Nadia Ahmad, M.D.Internal Medicine Physician1912198037
- Fayaz Ahmed, MDStudent in an Organized Health Care Education/Training Program1528245024
- John Albin, MD, PHDInfectious Disease Physician1528472644
- Mary Amatangelo, NPAcute Care Nurse Practitioner1114191442
- Tian You An, M.D.Anesthesiology Physician1801145792
Verify Kira Gritsman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 220945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
12 Medicare Part D claims, 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Kira Gritsman among 461 hematology & oncology physician records in Massachusetts
Kira Gritsman, MD 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
- Graduated2001 · median 2004 among the 303 with a school on file
- Record last updated2026 · 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 Boston → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Vassiliki Boussiotis, MD PHDBoston, MA 021141861474215
- Marcia Browne, MDBoston, MA 021141639146210
- George Canellos, MDBoston, MA 021141114908027
- Yi-Bin Chen, MDBoston, MA 021141356332639
- John ClarkBoston, MA 021141871550244
- Lauren Dias, MDBoston, MA 021141215928346
- David HarmonBoston, MA 021141851358352
- Beverly Moy, MDBoston, MA 021141932199106
Common questions
What is Kira Gritsman, MD's NPI number?
Kira Gritsman, MD's National Provider Identifier (NPI) is 1174598148, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kira Gritsman, MD located?
The NPPES record lists a practice address at 55 Fruit Street, Boston, MA, 02114. Phone: (617) 724-2241. Providers update this record themselves, so call before visiting.
How can I verify Kira Gritsman, MD's license?
NPPES lists Massachusetts license number 220945, 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 Kira Gritsman, MD prescribe under Medicare Part D?
In 2024, Kira Gritsman, MD had 12 Medicare Part D claims; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Kira Gritsman, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.