Joshua Campbell Grubbs, MD, MPH
Internal Medicine Physician · Boston, MA
Joshua Campbell Grubbs, MD, MPH is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1447952130, issued on Mar 20, 2023. Check the license (Massachusetts 1025776, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joshua Campbell Grubbs
- Credential
- MD, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1025776 MA
Self-reported in NPPES; status is on the state search - Practice location
- 801 Massachusetts Ave, Suite 6C, Boston, MA 02118
- Phone
- (617) 414-5951
- Enumerated
- Mar 20, 2023
- Record last updated
- Apr 27, 2026
- Fax
- (617) 414-9251
- Medicaid ID
- 110203535A MA
- Entity
- Type 1 · individual
Also registered at 801 Massachusetts Ave, Suite 6C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Bautista, RNFamily Nurse Practitioner1598355307
- Maia Claman, FNP-BCFamily Nurse Practitioner1245106053
- Om KothariInternal Medicine Physician1598467797
- Nicole Leggiero, MDInternal Medicine Physician1649973363
- Sandra Looby-Gordon, M.D.Internal Medicine Physician1972549343
- Jason McLean, MD, MPHInternal Medicine Physician1518660398
Verify Joshua Campbell Grubbs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1025776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
179 Medicare Part D claims for 33 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Gabapentin18 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.
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 2,320 in Boston → All 6,825 in Massachusetts → Every provider in Boston →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Nathan Abare, MDSpringfield, MA1386852747
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Joshua Campbell Grubbs, MD, MPH's NPI number?
Joshua Campbell Grubbs, MD, MPH's National Provider Identifier (NPI) is 1447952130, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Campbell Grubbs, MD, MPH located?
The NPPES record lists a practice address at 801 Massachusetts Ave, Suite 6C, Boston, MA, 02118. Phone: (617) 414-5951. Providers update this record themselves, so call before visiting.
How can I verify Joshua Campbell Grubbs, MD, MPH's license?
NPPES lists Massachusetts license number 1025776, 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 Joshua Campbell Grubbs, MD, MPH prescribe under Medicare Part D?
In 2024, Joshua Campbell Grubbs, MD, MPH had 179 Medicare Part D claims for 33 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.