Robert P. Kelleher, MD
Internal Medicine Physician · Watertown, MA
Robert P. Kelleher, MD is an internal medicine physician with a practice address in Watertown, Massachusetts, and NPI 1891761714, issued on Feb 28, 2006. Check the license (Massachusetts 227042, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert P. Kelleher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 227042 MA
Self-reported in NPPES; status is on the state search - Practice location
- 521 Mount Auburn St, Watertown, MA 02472
- Phone
- (617) 926-9000
- Enumerated
- Feb 28, 2006
- Record last updated
- Mar 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (617) 926-7053
- Medicaid ID
- 2115620 MA
- Medicare enrollment
- Enrolled (PECOS I20060418000176); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 521 Mount Auburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leon Bastajian, DDSDentist1639155831
- Matthew Cerne, LMHCMental Health Counselor1790965028
- Andrew Cutler, MDInternal Medicine Physician1437159720
- Cheryl Ehrenkranz, PTPhysical Therapist1114017514
- Paul Fergus, MDInternal Medicine Physician1356336200
- Susan Lattanzi, PTPhysical Therapist1265522775
Verify Robert P. Kelleher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 227042Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% more Medicare Part D claims than the average internal medicine physician in 2024
5,153 Medicare Part D claims for 366 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 246 claims were for opioids.
Most prescribed
- Atorvastatin Calcium512 claims
- Lisinopril336 claims
- Amlodipine Besylate310 claims
- Metformin Hcl238 claims
- Omeprazole162 claims
- Lorazepam147 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.
Industry payments in 2024: $874.11
35 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mount Auburn Professional Services IncLexington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
28 internal medicine physician records list a practice address in Watertown
They are 28 of the 873 NPPES records with a practice address in Watertown, and 6,825 internal medicine physician records in Massachusetts.
All 28 in Watertown → All 6,825 in Massachusetts → Every provider in Watertown →
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 P. Kelleher, MD's NPI number?
Robert P. Kelleher, MD's National Provider Identifier (NPI) is 1891761714, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert P. Kelleher, MD located?
The NPPES record lists a practice address at 521 Mount Auburn St, Watertown, MA, 02472. Phone: (617) 926-9000. Providers update this record themselves, so call before visiting.
How can I verify Robert P. Kelleher, MD's license?
NPPES lists Massachusetts license number 227042, 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 P. Kelleher, MD prescribe under Medicare Part D?
In 2024, Robert P. Kelleher, MD had 5,153 Medicare Part D claims for 366 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.