Robert A. Klugman, M.D.
Internal Medicine Physician · Westborough, MA
Robert A. Klugman, M.D. is an internal medicine physician with a practice address in Westborough, Massachusetts, and NPI 1740263417, issued on Nov 27, 2005. Check the license (Massachusetts 44237, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert A. Klugman
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 44237 MA
Self-reported in NPPES; status is on the state search - Practice location
- 154 E Main St, Westborough, MA 01581
- Phone
- (508) 366-1120
- Enumerated
- Nov 27, 2005
- Record last updated
- Nov 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 0103349 MA
- Medicare enrollment
- Enrolled (PECOS I20050917000183); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1977
- Entity
- Type 1 · individual
Also registered at 154 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clifford Behmer, M.D.Internal Medicine Physician1407839392
- Eric Cardin, P.T.Physical Therapist1275501553
- Ryan CorioPhysical Therapist1245154657
- Christine Fitzgibbons, M.D.Sleep Medicine (Internal Medicine) Physician1194771220
- Yanina GolubchikInternal Medicine Physician1780962019
- Kristen Lagasse, DPTPhysical Therapist1932503513
Verify Robert A. Klugman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 44237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,037 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Metoprolol Succinate49 claims
- Levothyroxine Sodium48 claims
- Amlodipine Besylate43 claims
- Rosuvastatin Calcium39 claims
- Gabapentin36 claims
- Atorvastatin Calcium33 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 one group practice
- Umass Memorial Medical Group IncWestborough, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
27 internal medicine physician records list a practice address in Westborough
They are 27 of the 565 NPPES records with a practice address in Westborough, and 6,825 internal medicine physician records in Massachusetts.
All 27 in Westborough → All 6,825 in Massachusetts → Every provider in Westborough →
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 Robert A. Klugman, M.D.'s NPI number?
Robert A. Klugman, M.D.'s National Provider Identifier (NPI) is 1740263417, issued on Nov 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Klugman, M.D. located?
The NPPES record lists a practice address at 154 E Main St, Westborough, MA, 01581. Phone: (508) 366-1120. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Klugman, M.D.'s license?
NPPES lists Massachusetts license number 44237, 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 Robert A. Klugman, M.D. prescribe under Medicare Part D?
In 2024, Robert A. Klugman, M.D. had 1,037 Medicare Part D claims for 59 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.