Registry data as of Aug 27, 2026

Frederic Baker, M.D.

Family Medicine Physician · Holden, MA

Frederic Baker, M.D. is a family medicine physician with a practice address in Holden, Massachusetts, and NPI 1972586956, issued on Nov 23, 2005. Check the license (Massachusetts 79966, 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
1972586956
Name
Frederic Baker
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
79966 MA
Self-reported in NPPES; status is on the state search
Practice location
52 Boyden RD, Holden, MA 01520
Phone
(508) 829-7405
Enumerated
Nov 23, 2005
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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Verify Frederic Baker 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 79966
    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.

18% more Medicare Part D claims than the average family medicine physician in 2024

4,144 Medicare Part D claims for 289 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 124 claims were for opioids.

  1. Frederic Baker4,144
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium447 claims
  2. Amlodipine Besylate198 claims
  3. Lisinopril174 claims
  4. Metoprolol Succinate137 claims
  5. Sertraline Hcl131 claims
  6. Levothyroxine Sodium115 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.

One hospital or facility affiliation

  1. Umass Memorial Medical Group IncHolden, MA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

10 family medicine physician records list a Holden practice address

They are 10 of the 213 NPPES records with a Holden 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 Frederic Baker, M.D.'s NPI number?

Frederic Baker, M.D.'s National Provider Identifier (NPI) is 1972586956, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Frederic Baker, M.D. located?

The NPPES record lists a practice address at 52 Boyden RD, Holden, MA, 01520. Phone: (508) 829-7405. Providers update this record themselves, so call before visiting.

How can I verify Frederic Baker, M.D.'s license?

NPPES lists Massachusetts license number 79966, 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 Frederic Baker, M.D. prescribe under Medicare Part D?

In 2024, Frederic Baker, M.D. had 4,144 Medicare Part D claims for 289 beneficiaries; 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.