Rachel Ana Grosser, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Boston, MA
Rachel Ana Grosser, MD is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Boston, Massachusetts, and NPI 1801358841, issued on Apr 1, 2019. Check the license (Massachusetts 1028158, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rachel Ana Grosser
- Credential
- MD
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 1028158 MA
Self-reported in NPPES; status is on the state search - Practice location
- 732 Harrison Ave, FL 3 West, Boston, MA 02118
- Phone
- (617) 638-8488
- Enumerated
- Apr 1, 2019
- Record last updated
- Aug 6, 2026
- Fax
- (617) 638-8469
- Medicaid ID
- 110234841A MA
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 228 in Massachusetts → Look up another NPI →
Also registered at 732 Harrison Ave, FL 3 West
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oluwakemi Olotu, NPFamily Nurse Practitioner1730732314
- Judith Phillips, PA-CPhysician Assistant1295258580
- George Tolis, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1841272283
Verify Rachel Ana Grosser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1028158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
13 Medicare Part D claims, against an average of 101 among the 2,587 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.
Rachel Ana Grosser among 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts
Rachel Ana Grosser, MD is one of 228 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 90% of them.
- NPI issued2019 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Massachusetts
There are 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts.
All 228 in Massachusetts → Every provider in Boston → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Laurence Brinckerhoff, M.D.Boston, MA 021181013943679
- Frederick Chen, M.D., PH.D.Boston, MA 021181649244898
- Benedict Daly, M.D.Boston, MA 021181518911429
- Christopher Digesu, M.D.Boston, MA 021181164764338
- Niloo Edwards, MDBoston, MA 021181083678627
- Miguel Haime, M.D.Boston, MA 021181467567685
- Morgan Harloff, M.D.Boston, MA 021181225425978
- Akinobu Itoh, MDBoston, MA 021181396005211
Common questions
What is Rachel Ana Grosser, MD's NPI number?
Rachel Ana Grosser, MD's National Provider Identifier (NPI) is 1801358841, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Ana Grosser, MD located?
The NPPES record lists a practice address at 732 Harrison Ave, FL 3 West, Boston, MA, 02118. Phone: (617) 638-8488. Providers update this record themselves, so call before visiting.
How can I verify Rachel Ana Grosser, MD's license?
NPPES lists Massachusetts license number 1028158, 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 Ana Grosser, MD prescribe under Medicare Part D?
In 2024, Rachel Ana Grosser, MD had 13 Medicare Part D claims; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.