NPPES file of Aug 9, 2026

Cynthia L. Mazzoni, M.D.

Internal Medicine Physician · Peabody, MA

Cynthia L. Mazzoni, M.D. is an internal medicine physician with a practice address in Peabody, Massachusetts, and NPI 1588620892, issued on Apr 25, 2006. Check the license (Massachusetts 210691, 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
1588620892
Name
Cynthia L. Mazzoni
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
210691 MA
Self-reported in NPPES; status is on the state search
Practice location
2 Essex Center Dr, Peabody, MA 01960
Phone
(978) 977-4210
Enumerated
Apr 25, 2006
Record last updated
Mar 7, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(978) 977-4226
Medicaid ID
0146820 MA
Medicare enrollment
Enrolled (PECOS I20081226000016); accepts Medicare assignment
Medical or professional school
New York Medical College, 1998
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.
Download card Updates feed

Also registered at 2 Essex Center Dr

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

  1. Paul Alviti, RDO # 4108Optician1679809420
  2. Michelle Ambler, LICSWClinical Social Worker1457859969
  3. Kathryn Asch, FNP-BCFamily Nurse Practitioner1821981739
  4. Leonard Austin, M.D.Internal Medicine Physician1669443917
  5. Diana Beaupre, M.D.Rheumatology Physician1235181991
  6. Jasmin Bhathena, MDPediatrics Physician1386626299

Verify Cynthia L. Mazzoni 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 210691
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

47% more Medicare Part D claims than the average internal medicine physician in 2024

4,668 Medicare Part D claims for 403 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. 112 claims were for opioids.

  1. Cynthia Mazzoni4,668
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium304 claims
  2. Simvastatin220 claims
  3. Amlodipine Besylate209 claims
  4. Levothyroxine Sodium178 claims
  5. Omeprazole162 claims
  6. Famotidine157 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

  1. Atrius Health IncNeedham, MA

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

Cynthia L. Mazzoni among 6,825 internal medicine physician records in Massachusetts

Cynthia L. Mazzoni, M.D. 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
  • Graduated1998 · median 2004 among the 4,103 with a school on file
  • Record last updated2021 · 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).

46 internal medicine physician records list a practice address in Peabody

They are 46 of the 1,313 NPPES records with a practice address in Peabody, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joseph August, M.D.Peabody, MA 019601902802879
  2. Leonard Austin, M.D.Peabody, MA 019601669443917
  3. James Brown, MDPeabody, MA 019601134194855
  4. Irena Druzba-Lobsenz, M.D.Peabody, MA 019601417915554
  5. Feng Ge, MDPeabody, MA 019601922004803
  6. Louis Giorgio, MDPeabody, MA 019601376533497
  7. Michael Golden, MDPeabody, MA 019601609872571
  8. Donald Kleykamp, MDPeabody, MA 019601689662504

Common questions

What is Cynthia L. Mazzoni, M.D.'s NPI number?

Cynthia L. Mazzoni, M.D.'s National Provider Identifier (NPI) is 1588620892, issued on Apr 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia L. Mazzoni, M.D. located?

The NPPES record lists a practice address at 2 Essex Center Dr, Peabody, MA, 01960. Phone: (978) 977-4210. Providers update this record themselves, so call before visiting.

How can I verify Cynthia L. Mazzoni, M.D.'s license?

NPPES lists Massachusetts license number 210691, 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 Cynthia L. Mazzoni, M.D. prescribe under Medicare Part D?

In 2024, Cynthia L. Mazzoni, M.D. had 4,668 Medicare Part D claims for 403 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.