Barbara T. Peters, D.O.
Internal Medicine Physician · Concord, MA
Barbara T. Peters, D.O. is an internal medicine physician with a practice address in Concord, Massachusetts, and NPI 1609834563, issued on May 2, 2006. Check the license (Massachusetts 77219, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Barbara T. Peters
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 77219 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Baker Ave, Concord, MA 01742
- Phone
- (978) 287-9350
- Enumerated
- May 2, 2006
- Record last updated
- Nov 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (978) 287-9421
- Medicaid ID
- 3109895 MA
- Medicare enrollment
- Enrolled (PECOS I20050602000478); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 330 Baker Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Caitlin CeresiaAdult Health Nurse Practitioner1053866384
- Paige Fairbanks, PA-CPhysician Assistant1073447280
- Jesse Foote, M.D.Geriatric Medicine (Internal Medicine) Physician1932366465
Verify Barbara T. Peters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 77219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,317 Medicare Part D claims for 714 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 98 claims were for opioids.
Most prescribed
- Atorvastatin Calcium509 claims
- Levothyroxine Sodium483 claims
- Amlodipine Besylate408 claims
- Losartan Potassium359 claims
- Lisinopril336 claims
- Hydrochlorothiazide276 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
- Atrius Health IncConcord, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara T. Peters among 6,825 internal medicine physician records in Massachusetts
Barbara T. Peters, D.O. is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1988 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
44 internal medicine physician records list a practice address in Concord
They are 44 of the 1,078 NPPES records with a practice address in Concord, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Concord → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul D'Ambrosio, M.D.Concord, MA 017421033194048
- David Eldridge, MDConcord, MA 017421386622967
- Eric Hatton, MDConcord, MA 017421841287281
- Peter Hoenig, M.DConcord, MA 017421801855531
- Sandeep Jain, M.D.Concord, MA 017421417915562
- Thomas Kaegi, M.D.Concord, MA 017421578552121
- Betty Pomerleau, M.D.Concord, MA 017421811972821
- Marguerite Roach, M.D.Concord, MA 017421124087853
Common questions
What is Barbara T. Peters, D.O.'s NPI number?
Barbara T. Peters, D.O.'s National Provider Identifier (NPI) is 1609834563, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara T. Peters, D.O. located?
The NPPES record lists a practice address at 330 Baker Ave, Concord, MA, 01742. Phone: (978) 287-9350. Providers update this record themselves, so call before visiting.
How can I verify Barbara T. Peters, D.O.'s license?
NPPES lists Massachusetts license number 77219, 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 Barbara T. Peters, D.O. prescribe under Medicare Part D?
In 2024, Barbara T. Peters, D.O. had 8,317 Medicare Part D claims for 714 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.