Registry data as of Aug 27, 2026

Ronald Backer, M.D.

Family Medicine Physician · Mashpee, MA

Ronald Backer, M.D. is a family medicine physician with a practice address in Mashpee, Massachusetts, and NPI 1083735146, issued on Apr 3, 2007. Check the license (Massachusetts 33384, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1083735146
Name
Ronald Backer
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
33384 MA
Self-reported in NPPES; status is on the state search
Practice location
107 Commercial St, Mashpee, MA 02649
Phone
(508) 477-7090
Enumerated
Apr 3, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 107 Commercial St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Riley Ashe, LCSWSocial Worker1043923451
  2. Alexis Balestracci, RNRegistered Nurse1861774622
  3. Natasha Barbosa-FortesDentist1518491919
  4. Lauren Black, DMDGeneral Practice Dentistry1255079067
  5. Tiffany Borsari, PA-CPhysician Assistant1558624130
  6. Christina Broderick, RNRegistered Nurse1144507922

Verify Ronald Backer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 33384
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

99% fewer Medicare Part D claims than the average family medicine physician in 2024

32 Medicare Part D claims, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Ronald Backer32
  2. Specialty average3,519

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.

13 family medicine physician records list a Mashpee practice address

They are 13 of the 356 NPPES records with a Mashpee practice address, and 2,226 family medicine physician records in Massachusetts.

Other family medicine physician records in Massachusetts

  1. Salah Abass, M.D.Methuen, MA1417959776
  2. Sheila Abdallah, MDWorcester, MA1821356312
  3. Jonathan Abel, DOSpringfield, MA1700897196
  4. Mohamed Abib, MDSturbridge, MA1639281090
  5. Kevin Abraham, M.D.Worcester, MA1689037673
  6. Janet Abrahamian, M.D.West Boylston, MA1932156627
  7. John Abramson, M.D.Ipswich, MA1275613903
  8. John Paul Abroguena, MDPlainville, MA1235361080
  9. Aliza Acker-Bernstein, M.D.Peabody, MA1023057551
  10. Lisa Adams, MDFalmouth, MA1235404336

Common questions

What is Ronald Backer, M.D.'s NPI number?

Ronald Backer, M.D.'s National Provider Identifier (NPI) is 1083735146, issued on Apr 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Backer, M.D. located?

The NPPES record lists a practice address at 107 Commercial St, Mashpee, MA, 02649. Phone: (508) 477-7090. Providers update this record themselves, so call before visiting.

How can I verify Ronald Backer, M.D.'s license?

NPPES lists Massachusetts license number 33384, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ronald Backer, M.D. prescribe under Medicare Part D?

In 2024, Ronald Backer, M.D. had 32 Medicare Part D claims; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.