Stephen Robert Grosse, MD
Emergency Medicine Physician · Boston, MA
Stephen Robert Grosse, MD is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1518252998, issued on Jun 14, 2011. Check the license (Massachusetts 257912, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Stephen Robert Grosse
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 257912 MA
248526 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Deaconess RD, Boston, MA 02215
- Phone
- (617) 754-2339
- Enumerated
- Jun 14, 2011
- Record last updated
- Nov 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 110099662A MA
- Medicare enrollment
- Enrolled (PECOS I20140623002708); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2011
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 1 Deaconess RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Faisal AlfadhelNeuroradiology Physician1326692419
- Bree Alyeska, M.D.Emergency Medicine Physician1437597127
- Amanda Anastasi, M.D.Anesthesiology Physician1801820550
- Philip Anderson, M.D.Emergency Medicine Physician1477540235
Verify Stephen Robert Grosse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 257912Check 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% more Medicare Part D claims than the average emergency medicine physician in 2024
450 Medicare Part D claims for 342 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Prednisone57 claims
- Albuterol Sulfate Hfa46 claims
- Cephalexin43 claims
- Azithromycin25 claims
- Amoxicillin23 claims
- Amoxicillin-Clavulanate Potass21 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.
Bills Medicare through 3 group practices
- Beth Israel Deaconess Medical Center IncBoston, MA
- Bid-Milton Physician Associates IncMilton, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Robert Grosse among 1,829 emergency medicine physician records in Massachusetts
Stephen Robert Grosse, MD is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 59% of them.
- NPI issued2011 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2011 · median 2011 among the 1,200 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
543 emergency medicine physician records list a practice address in Boston
They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Boston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Philip Anderson, M.D.Boston, MA 022151477540235
- Susan Bartels, MDBoston, MA 022151801852561
- Wende Buras, M.D.Boston, MA 022151376500587
- Jonathan Burstein, M.D.Boston, MA 022151740227461
- Jonathan Edlow, M.D.Boston, MA 022151962449165
- Jonathan Fisher, M.D.Boston, MA 022151437199973
- Michael Ganetsky, M.D.Boston, MA 022151053394288
- Sean Kelly, M.D.Boston, MA 022151265479927
Common questions
What is Stephen Robert Grosse, MD's NPI number?
Stephen Robert Grosse, MD's National Provider Identifier (NPI) is 1518252998, issued on Jun 14, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Robert Grosse, MD located?
The NPPES record lists a practice address at 1 Deaconess RD, Boston, MA, 02215. Phone: (617) 754-2339. Providers update this record themselves, so call before visiting.
How can I verify Stephen Robert Grosse, MD's license?
NPPES lists Massachusetts license number 257912, 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 Stephen Robert Grosse, MD prescribe under Medicare Part D?
In 2024, Stephen Robert Grosse, MD had 450 Medicare Part D claims for 342 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.