NPPES file of Aug 9, 2026

John M. Solomonides, M.D.

Internal Medicine Physician · Worcester, MA

John M. Solomonides, M.D. is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1407839939, issued on Nov 29, 2005. Check the license (Massachusetts 156656, 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
1407839939
Name
John M. Solomonides
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
156656 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Lake Ave N, Worcester, MA 01655
Phone
(508) 856-2731
Enumerated
Nov 29, 2005
Record last updated
Mar 12, 2025
Medicare enrollment
Enrolled (PECOS I20080402000904); accepts Medicare assignment
Medical or professional school
University Of Massachusetts Medical School, 1994
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 55 Lake Ave N

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

  1. Nawal Aamir, MDInternal Medicine Physician1588248926
  2. Amarys Abadie, CRNACertified Registered Nurse Anesthetist1992936843
  3. Paula Abate, NPNurse Practitioner1336265909
  4. Aly AbayazeedDiagnostic Radiology Physician1821221946
  5. Zainab AbbasDermatology Physician1609028000
  6. Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417

Verify John M. Solomonides 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 156656
    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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23% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,438 Medicare Part D claims for 210 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 35 claims were for opioids.

  1. John Solomonides2,438
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium180 claims
  2. Lisinopril177 claims
  3. Levothyroxine Sodium106 claims
  4. Omeprazole106 claims
  5. Fluticasone Propionate79 claims
  6. Amlodipine Besylate72 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. Umass Memorial Medical Group IncWorcester, MA

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

John M. Solomonides among 6,825 internal medicine physician records in Massachusetts

John M. Solomonides, 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1994 · median 2004 among the 4,103 with a school on file
  • Record last updated2025 · 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).

448 internal medicine physician records list a practice address in Worcester

They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Abigail Adams, M.D.Worcester, MA 016551497745806
  2. Eric Alper, M.D.Worcester, MA 016551275524340
  3. Nidhi Chojar, M.D.Worcester, MA 016551023009636
  4. Kimberly Eisenstock, M.D.Worcester, MA 016551194706069
  5. George Eypper, M.D.Worcester, MA 016551104817451
  6. Melissa Fischer, M.D.Worcester, MA 016551306837653
  7. Ish Gupta, D.O.Worcester, MA 016551598747834
  8. Andrew Karson, MDWorcester, MA 016551194706002

Common questions

What is John M. Solomonides, M.D.'s NPI number?

John M. Solomonides, M.D.'s National Provider Identifier (NPI) is 1407839939, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John M. Solomonides, M.D. located?

The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-2731. Providers update this record themselves, so call before visiting.

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

NPPES lists Massachusetts license number 156656, 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 M. Solomonides, M.D. prescribe under Medicare Part D?

In 2024, John M. Solomonides, M.D. had 2,438 Medicare Part D claims for 210 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.