Robert James Gagnon, MD
Family Medicine Physician · Lakeville, MA
Robert James Gagnon, MD is a family medicine physician with a practice address in Lakeville, Massachusetts, and NPI 1124090493, issued on Feb 2, 2006. Check the license (Massachusetts 81226, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert James Gagnon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 81226 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Precinct St, Lakeville, MA 02347
- Phone
- (508) 947-6666
- Enumerated
- Feb 2, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (508) 923-0060
- Medicaid ID
- 3143961 MA
- Medicare enrollment
- Enrolled (PECOS I20050303000781); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1989
- Entity
- Type 1 · individual
Also registered at 5 Precinct St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Koester, MSN, APRN, FNP-CFamily Medicine Physician1407446909
Verify Robert James Gagnon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 81226Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,510 Medicare Part D claims for 490 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 306 claims were for opioids.
Most prescribed
- Lisinopril399 claims
- Atorvastatin Calcium393 claims
- Amlodipine Besylate386 claims
- Omeprazole320 claims
- Metoprolol Succinate252 claims
- Hydrochlorothiazide207 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: $586.31
22 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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
- Lakeville Family Medicine PCLakeville, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
4 family medicine physician records list a practice address in Lakeville
They are 4 of the 141 NPPES records with a practice address in Lakeville, and 2,265 family medicine physician records in Massachusetts.
All 4 in Lakeville → All 2,265 in Massachusetts → Every provider in Lakeville →
Other family medicine physician records in Massachusetts
- Salah Abass, M.D.Methuen, MA1417959776
- Majed Abbas, MDLowell, MA1346827870
- Sheila Abdallah, MDWorcester, MA1821356312
- Omar Abduljabar, M.D.Springfield, MA1770978843
- Jonathan Abel, DOSpringfield, MA1700897196
- Mohamed Abib, MDSturbridge, MA1639281090
- Kevin Abraham, M.D.Worcester, MA1689037673
- Janet Abrahamian, M.D.West Boylston, MA1932156627
- John Abramson, M.D.Ipswich, MA1275613903
- John Paul Abroguena, MDPlainville, MA1235361080
Common questions
What is Robert James Gagnon, MD's NPI number?
Robert James Gagnon, MD's National Provider Identifier (NPI) is 1124090493, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert James Gagnon, MD located?
The NPPES record lists a practice address at 5 Precinct St, Lakeville, MA, 02347. Phone: (508) 947-6666. Providers update this record themselves, so call before visiting.
How can I verify Robert James Gagnon, MD's license?
NPPES lists Massachusetts license number 81226, 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 James Gagnon, MD prescribe under Medicare Part D?
In 2024, Robert James Gagnon, MD had 7,510 Medicare Part D claims for 490 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.