Rubab Rizwan, M.D.
Internal Medicine Physician · Williamstown, MA
Rubab Rizwan, M.D. is an internal medicine physician with a practice address in Williamstown, Massachusetts, and NPI 1780370916, issued on Apr 12, 2023. Check the license (Massachusetts 1027647, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rubab Rizwan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1027647 MA
Self-reported in NPPES; status is on the state search - Practice location
- 197 Adams RD, Williamstown, MA 01267
- Phone
- (413) 458-8182
- Enumerated
- Apr 12, 2023
- Record last updated
- Jun 25, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 197 Adams RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lydia Carollo, PA-CPhysician Assistant1225015134
- Karen Dobe-Costa, DPMPodiatrist1548259153
- Eileen Gabriel, RN, GNP-CGerontology Nurse Practitioner1114904026
- Sriramya Gayam, MDInternal Medicine Physician1700373743
- Sarah KangasFamily Nurse Practitioner1225401656
- Ali Nauman Khan, M.D.Internal Medicine Physician1457976292
Verify Rubab Rizwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1027647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
104 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.
Most prescribed
- Brilinta14 claims
- Atorvastatin Calcium13 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.
Rubab Rizwan among 6,825 internal medicine physician records in Massachusetts
Rubab Rizwan, M.D. is one of 6,825 internal medicine 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 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Williamstown
They are 6 of the 139 NPPES records with a practice address in Williamstown, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Williamstown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sriramya Gayam, MDWilliamstown, MA 012671700373743
- Ali Nauman Khan, M.D.Williamstown, MA 012671457976292
- Marian Madden, M.D.Williamstown, MA 012671811097009
- Brad Whateley, M.D.Williamstown, MA 012671861596728
- Alfred Wise, M.D.Williamstown, MA 012671225015282
- Andrew Plager, M.D.Stockbridge, MA 012621114057718
- Steven Cherry, DONorth Adams, MA 012471841393923
- Kristin Lamontagne, MDNorth Adams, MA 012471174635965
Common questions
What is Rubab Rizwan, M.D.'s NPI number?
Rubab Rizwan, M.D.'s National Provider Identifier (NPI) is 1780370916, issued on Apr 12, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Rubab Rizwan, M.D. located?
The NPPES record lists a practice address at 197 Adams RD, Williamstown, MA, 01267. Phone: (413) 458-8182. Providers update this record themselves, so call before visiting.
How can I verify Rubab Rizwan, M.D.'s license?
NPPES lists Massachusetts license number 1027647, 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 Rubab Rizwan, M.D. prescribe under Medicare Part D?
In 2024, Rubab Rizwan, M.D. had 104 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.