Peter M. Barker, MD
Family Medicine Physician · Swampscott, MA
Peter M. Barker, MD is a family medicine physician with a practice address in Swampscott, Massachusetts, and NPI 1568461580, issued on Jul 20, 2005. Check the license (Massachusetts 52967, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Peter M. Barker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 52967 MA
Self-reported in NPPES; status is on the state search - Practice location
- 250 Paradise RD, Swampscott, MA 01907
- Phone
- (781) 596-2000
- Enumerated
- Jul 20, 2005
- Record last updated
- Dec 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (781) 595-7111
- Medicaid ID
- 6178995 MA
- Medicare enrollment
- Enrolled (PECOS I20050324000285); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 250 Paradise RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Miguel Concepcion, M.D.Sports Medicine (Family Medicine) Physician1619101052
Verify Peter M. Barker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 52967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average family medicine physician in 2024
3,000 Medicare Part D claims for 336 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Atorvastatin Calcium279 claims
- Lisinopril176 claims
- Metoprolol Succinate133 claims
- Omeprazole126 claims
- Levothyroxine Sodium110 claims
- Risperidone105 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
- Mass General Brigham Medical Group Northern Massachusetts IncSwampscott, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter M. Barker among 2,265 family medicine physician records in Massachusetts
Peter M. Barker, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1981 · median 2006 among the 1,529 with a school on file
- Record last updated2009 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family medicine physician records list a practice address in Swampscott
They are 12 of the 229 NPPES records with a practice address in Swampscott, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Swampscott → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Elizabeth Alt, MDSwampscott, MA 019071356635916
- Lisa Ceplikas, M.D.Swampscott, MA 019071164657789
- Joshua Cohen, MDSwampscott, MA 019071053842294
- Artem Gutmanovich, M.D.Swampscott, MA 019071154636777
- Keith Nobil, MDSwampscott, MA 019071033118948
- Amanda Ritvo, M.D.Swampscott, MA 019071114212776
- Stacy Rubtchinsky, M.D.Swampscott, MA 019071700837275
- Anthony Spartos, MDSwampscott, MA 019071760475768
Common questions
What is Peter M. Barker, MD's NPI number?
Peter M. Barker, MD's National Provider Identifier (NPI) is 1568461580, issued on Jul 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Peter M. Barker, MD located?
The NPPES record lists a practice address at 250 Paradise RD, Swampscott, MA, 01907. Phone: (781) 596-2000. Providers update this record themselves, so call before visiting.
How can I verify Peter M. Barker, MD's license?
NPPES lists Massachusetts license number 52967, 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 Peter M. Barker, MD prescribe under Medicare Part D?
In 2024, Peter M. Barker, MD had 3,000 Medicare Part D claims for 336 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.