NPPES file of Aug 9, 2026

Peter Joseph Mazzaglia, MD

Surgery Physician · Providence, RI

Peter Joseph Mazzaglia, MD is a surgery physician with a practice address in Providence, Rhode Island, and NPI 1639103617, issued on Jul 10, 2006. Check the license (Rhode Island MD12186, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639103617
Name
Peter Joseph Mazzaglia
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
MD12186 RI
Self-reported in NPPES; status is on the state search
Practice location
2 Dudley St, Providence, RI 02905
Phone
(401) 223-0962
Enumerated
Jul 10, 2006
Record last updated
Jan 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(401) 861-1272
Medicaid ID
7058687 RI
Medicare enrollment
Enrolled (PECOS I20061009000025); may accept Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 1993
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2 Dudley St

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

  1. Jinnette Abbott, MDInterventional Cardiology Physician1144241613
  2. Edward Akelman, M.D.Orthopaedic Hand Surgery Physician1588644629
  3. Maggie Allen, PHDClinical Psychologist1104505700
  4. Joseph Amaral, MDSurgery Physician1396741757
  5. Jack Anavian, M.D.Orthopaedic Surgery Physician1427286608
  6. Shelley Anderson, OTHand Occupational Therapist1588995005

Verify Peter Joseph Mazzaglia in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD12186
    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 Rhode Island 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.

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41% fewer Medicare Part D claims than the average surgery physician in 2024

86 Medicare Part D claims for 32 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Peter Mazzaglia86
  2. Specialty average147

Most prescribed

  1. Levothyroxine Sodium61 claims
  2. Synthroid15 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.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $37.60

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Peter Mazzaglia$37.60
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Lifespan Physician Group IncProvidence, RI
  2. Lifespan Physician Group OF Massachusetts IncDartmouth, MA
  3. University Surgical Associates, Inc.Providence, RI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Peter Joseph Mazzaglia among 151 surgery physician records in Rhode Island

Peter Joseph Mazzaglia, MD is one of 151 surgery physician records with a practice address in Rhode Island. 72% 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 18% of them.

  • NPI issued2006 · 18% of these records are older, 56% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1993 · median 2001 among the 78 with a school on file
  • Record last updated2020 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Rhode Island

There are 151 surgery physician records in Rhode Island.

The 8 surgery physician records with the nearest ZIP codes

  1. Joseph Amaral, MDProvidence, RI 029051396741757
  2. Subhashini Ayloo, M.D.Providence, RI 029051437161874
  3. Ijeoma Azodo, M.D.Providence, RI 029051730169194
  4. William Cioffi, MDProvidence, RI 029051790782225
  5. Norbert Craybas, MDProvidence, RI 029051518963685
  6. Theresa Graves, MDProvidence, RI 029051124025663
  7. David Harrington, MDProvidence, RI 029051558368092
  8. Stephen Migliori, MDProvidence, RI 029051497753644

Common questions

What is Peter Joseph Mazzaglia, MD's NPI number?

Peter Joseph Mazzaglia, MD's National Provider Identifier (NPI) is 1639103617, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Peter Joseph Mazzaglia, MD located?

The NPPES record lists a practice address at 2 Dudley St, Providence, RI, 02905. Phone: (401) 223-0962. Providers update this record themselves, so call before visiting.

How can I verify Peter Joseph Mazzaglia, MD's license?

NPPES lists Rhode Island license number MD12186, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Peter Joseph Mazzaglia, MD prescribe under Medicare Part D?

In 2024, Peter Joseph Mazzaglia, MD had 86 Medicare Part D claims for 32 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

What is Peter Joseph Mazzaglia, MD's MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.