NPPES file of Aug 9, 2026

Peter C. Roos, MD

Endocrinology, Diabetes & Metabolism Physician · Milton, MA

Peter C. Roos, MD is an endocrinology, diabetes & metabolism physician with a practice address in Milton, Massachusetts, and NPI 1619962255, issued on Sep 20, 2005. Check the license (Massachusetts 32453, 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, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619962255
Name
Peter C. Roos
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
32453 MA
Self-reported in NPPES; status is on the state search
Practice location
1372 Brush Hill RD H207, Milton, MA 02186
Phone
(508) 801-8330
Enumerated
Sep 20, 2005
Record last updated
Nov 18, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(857) 345-9620
Medicaid ID
0185191 MA
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 Peter C. Roos 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 32453
    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

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98% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

62 Medicare Part D claims for 16 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Peter Roos62
  2. Specialty average2,630

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.

Peter C. Roos among 522 endocrinology, diabetes & metabolism physician records in Massachusetts

Peter C. Roos, MD is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% 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 · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2015 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts

There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Monika Konopka, MDMilton, MA 021861184691628
  2. Rodrigo Valderrabano, M.D.Braintree, MA 021841184805186
  3. Mary Delaney, MDSouth Weymouth, MA 021901336149228
  4. Kristin Helm, MDSouth Weymouth, MA 021901336357763
  5. Abby Landzberg, MDSouth Weymouth, MA 021901629055728
  6. Richard Mirel, M.D.Weymouth, MA 021901437150174
  7. Laura Selkirk, M.D.South Weymouth, MA 021901548478548
  8. Isabelle Zamfirescu, MDSouth Weymouth, MA 021901881802031

Common questions

What is Peter C. Roos, MD's NPI number?

Peter C. Roos, MD's National Provider Identifier (NPI) is 1619962255, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter C. Roos, MD located?

The NPPES record lists a practice address at 1372 Brush Hill RD H207, Milton, MA, 02186. Phone: (508) 801-8330. Providers update this record themselves, so call before visiting.

How can I verify Peter C. Roos, MD's license?

NPPES lists Massachusetts license number 32453, 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 C. Roos, MD prescribe under Medicare Part D?

In 2024, Peter C. Roos, MD had 62 Medicare Part D claims for 16 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.