NPPES file of Aug 9, 2026

John Malolepszy, M.D.

Internal Medicine Physician · Peabody, MA

John Malolepszy, M.D. is an internal medicine physician with a practice address in Peabody, Massachusetts, and NPI 1508993163, issued on Feb 28, 2007. Check the license (Massachusetts 151408, 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
1508993163
Name
John Malolepszy
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
151408 MA
Self-reported in NPPES; status is on the state search
Practice location
2 Essex Center Dr, Peabody, MA 01960
Phone
(978) 977-4000
Enumerated
Feb 28, 2007
Record last updated
Nov 17, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
3158683 MA
Medicare enrollment
Enrolled (PECOS I20050110000229); accepts Medicare assignment
Medical or professional school
Geisel School Of Medicine At Dartmouth, 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 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 John Malolepszy 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 151408
    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.

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2.1 times the Medicare Part D claims of the average internal medicine physician in 2024

6,789 Medicare Part D claims for 588 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 206 claims were for opioids.

  1. John Malolepszy6,789
  2. Specialty average3,176

Most prescribed

  1. Lisinopril449 claims
  2. Atorvastatin Calcium441 claims
  3. Simvastatin347 claims
  4. Omeprazole269 claims
  5. Amlodipine Besylate256 claims
  6. Levothyroxine Sodium253 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 IncPeabody, MA

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

John Malolepszy among 6,825 internal medicine physician records in Massachusetts

John Malolepszy, 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 45% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1993 · 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).

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 John Malolepszy, M.D.'s NPI number?

John Malolepszy, M.D.'s National Provider Identifier (NPI) is 1508993163, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Malolepszy, M.D. located?

The NPPES record lists a practice address at 2 Essex Center Dr, Peabody, MA, 01960. Phone: (978) 977-4000. Providers update this record themselves, so call before visiting.

How can I verify John Malolepszy, M.D.'s license?

NPPES lists Massachusetts license number 151408, 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 John Malolepszy, M.D. prescribe under Medicare Part D?

In 2024, John Malolepszy, M.D. had 6,789 Medicare Part D claims for 588 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.