NPPES file of Aug 9, 2026

Seth Homer, M.D.

Gastroenterology Physician · Beverly, MA

Seth Homer, M.D. is a gastroenterology physician with a practice address in Beverly, Massachusetts, and NPI 1598993735, issued on Jun 25, 2009. Check the license (Massachusetts 250700, 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
1598993735
Name
Seth Homer
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
250700 MA
240106 MA
Self-reported in NPPES; status is on the state search
Practice location
77 Herrick St Ste 101, Beverly, MA 01915
Phone
(978) 927-4110
Enumerated
Jun 25, 2009
Record last updated
Nov 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120716000360); accepts Medicare assignment
Medical or professional school
Tufts University School Of Medicine, 2005
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 77 Herrick St Ste 101

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

  1. Anita Ash, ANP-BCAdult Health Nurse Practitioner1093066144
  2. Edward Bahng, M.D.Family Medicine Physician1790165546
  3. Ashley Disciullo, FNPFamily Nurse Practitioner1710637806
  4. Lewis HeinleinFamily Nurse Practitioner1518883172
  5. Kalubi MuganguziPsychiatric/Mental Health Nurse Practitioner1952958332

Verify Seth Homer 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 250700
    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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21% fewer Medicare Part D claims than the average gastroenterology physician in 2024

640 Medicare Part D claims for 306 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Seth Homer640
  2. Specialty average811

Most prescribed

  1. Gavilyte-C91 claims
  2. Omeprazole88 claims
  3. Peg3350-Sod Sul-Nacl-Kcl-Asb-C85 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf62 claims
  5. Mesalamine40 claims
  6. Famotidine28 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).

Seth Homer among 686 gastroenterology physician records in Massachusetts

Seth Homer, M.D. is one of 686 gastroenterology physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.

  • NPI issued2009 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2005 · median 2004 among the 491 with a school on file
  • Record last updated2017 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Massachusetts

There are 686 gastroenterology physician records in Massachusetts.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Michael Aaronson, MDBeverly, MA 019151366547739
  2. Rosa Bui, M.D.Beverly, MA 019151336535962
  3. Michael Demarkles, MDBeverly, MA 019151376578534
  4. Richard Einhorn, MDBeverly, MA 019151639104896
  5. Martin Hahn, M.D.Beverly, MA 019151770698730
  6. Maria LonshteynBeverly, MA 019151720247653
  7. Lawrence Murphy, M.D.Beverly, MA 019151902126238
  8. Michael Newman, M.D.Beverly, MA 019151487704276

Common questions

What is Seth Homer, M.D.'s NPI number?

Seth Homer, M.D.'s National Provider Identifier (NPI) is 1598993735, issued on Jun 25, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Seth Homer, M.D. located?

The NPPES record lists a practice address at 77 Herrick St Ste 101, Beverly, MA, 01915. Phone: (978) 927-4110. Providers update this record themselves, so call before visiting.

How can I verify Seth Homer, M.D.'s license?

NPPES lists Massachusetts license number 250700, 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 Seth Homer, M.D. prescribe under Medicare Part D?

In 2024, Seth Homer, M.D. had 640 Medicare Part D claims for 306 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.