NPPES file of Aug 9, 2026

Jessen Thomas, DO

Family Medicine Physician · South Yarmouth, MA

Jessen Thomas, DO is a family medicine physician with a practice address in South Yarmouth, Massachusetts, and NPI 1164091088, issued on Jun 24, 2021. Check the license (Massachusetts 1021043, 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
1164091088
Name
Jessen Thomas
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
1021043 MA
Self-reported in NPPES; status is on the state search
Practice location
495 Station Ave, South Yarmouth, MA 02664
Phone
(774) 552-3208
Enumerated
Jun 24, 2021
Record last updated
Oct 28, 2024
Medicare enrollment
Enrolled (PECOS I20250314001912); accepts Medicare assignment
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 495 Station Ave

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

  1. Jorge Alfonso, MDInternal Medicine Physician1013983402
  2. Jordan Chadwick, FNPFamily Nurse Practitioner1306660444
  3. Marissa Frongillo, N.P.Family Nurse Practitioner1588017263
  4. Mary Gallagher, FNPFamily Nurse Practitioner1124556725
  5. Ann Gryboski, MDInternal Medicine Physician1053389924
  6. Dimitrios Minadakis, PA-CMedical Physician Assistant1063852085

Verify Jessen Thomas 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 1021043
    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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82% fewer Medicare Part D claims than the average family medicine physician in 2024

629 Medicare Part D claims for 157 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Jessen Thomas629
  2. Specialty average3,544

Most prescribed

  1. Lisinopril48 claims
  2. Atorvastatin Calcium45 claims
  3. Albuterol Sulfate Hfa36 claims
  4. Amlodipine Besylate23 claims
  5. Metoprolol Succinate19 claims
  6. Hydrochlorothiazide18 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.

Industry payments in 2024: $32.27

1 payment: education; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jessen Thomas$32.27
  2. Specialty average$902.55

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

Bills Medicare through 2 group practices

  1. Medical Affiliates OF Cape Cod IncS Yarmouth, MA
  2. Physiotherapy Associates IncSouth Dennis, MA

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

Jessen Thomas among 2,265 family medicine physician records in Massachusetts

Jessen Thomas, DO is one of 2,265 family medicine 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 2021, is newer than 90% of them.

  • NPI issued2021 · 90% of these records are older, 8% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2020 · median 2006 among the 1,529 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 family medicine physician records list a practice address in South Yarmouth

They are 3 of the 254 NPPES records with a practice address in South Yarmouth, and 2,265 family medicine physician records in Massachusetts.

The 8 family medicine physician records with the nearest ZIP codes

  1. Jacquelyn Lamb, D.O.South Yarmouth, MA 026641740394154
  2. Peter Ripley, M.D.South Yarmouth, MA 026641497717243
  3. Rachel Bramson, M.D.Wellfleet, MA 026671437118213
  4. Patricia Raney, M.D.Wellfleet, MA 026671720176555
  5. Floyd McIntyreSouth Dennis, MA 026601538125166
  6. Marie Andrine Constant, M.D.Provincetown, MA 026571871747188
  7. Paul Fader, M.D.Provincetown, MA 026571942205620
  8. Mario Zacharatos, M.D.West Yarmouth, MA 026731831359637

Common questions

What is Jessen Thomas, DO's NPI number?

Jessen Thomas, DO's National Provider Identifier (NPI) is 1164091088, issued on Jun 24, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Jessen Thomas, DO located?

The NPPES record lists a practice address at 495 Station Ave, South Yarmouth, MA, 02664. Phone: (774) 552-3208. Providers update this record themselves, so call before visiting.

How can I verify Jessen Thomas, DO's license?

NPPES lists Massachusetts license number 1021043, 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 Jessen Thomas, DO prescribe under Medicare Part D?

In 2024, Jessen Thomas, DO had 629 Medicare Part D claims for 157 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.