Rachel Buchsbaum, MD
Hematology & Oncology Physician · Boston, MA
Rachel Buchsbaum, MD is a hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1255360640, issued on Jun 30, 2006. Check the license (Massachusetts 58189, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rachel Buchsbaum
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 58189 MA
Self-reported in NPPES; status is on the state search - Practice location
- 750 Washington St, Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- Jun 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 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 750 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
- Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
- Lori Abrahamian, M.D.Anesthesiology Physician1528012192
- Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
- Ghada Al Mubarak, M.D.Surgery Physician1407034911
- Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919
Verify Rachel Buchsbaum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 58189Check 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. Brand-name drugs were 0% 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.
Rachel Buchsbaum among 461 hematology & oncology physician records in Massachusetts
Rachel Buchsbaum, 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 fileNo · 66% of these records are
- Record last updated2007 · 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
- Anubha Bharthuar, MDBoston, MA 021111063739969
- Parva Bhatt, M.D.Boston, MA 021111689055832
- Sharan Bijlani, MDBoston, MA 021111962061903
- Raymond Comenzo, MDBoston, MA 021111750352787
- Jacob Elkon, MDBoston, MA 021111104153105
- Ruchi Hamal, MDBoston, MA 021111447670823
- Andreas Klein, MDBoston, MA 021111285740969
- Uma Narayanasami, M.D.Boston, MA 021111316990872
Common questions
What is Rachel Buchsbaum, MD's NPI number?
Rachel Buchsbaum, MD's National Provider Identifier (NPI) is 1255360640, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Buchsbaum, MD located?
The NPPES record lists a practice address at 750 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify Rachel Buchsbaum, MD's license?
NPPES lists Massachusetts license number 58189, 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 Rachel Buchsbaum, MD prescribe under Medicare Part D?
In 2024, Rachel Buchsbaum, MD had 12 Medicare Part D claims; 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.