NPPES file of Aug 9, 2026

Timothy Byon, M.D.

Family Medicine Physician · Portsmouth, RI

Timothy Byon, M.D. is a family medicine physician with a practice address in Portsmouth, Rhode Island, and NPI 1538456298, issued on Jul 1, 2011. Check the license (Rhode Island MD16679, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; 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
1538456298
Name
Timothy Byon
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD16679 RI
Self-reported in NPPES; status is on the state search
Practice location
2444 E Main RD, Portsmouth, RI 02871
Phone
(401) 683-4817
Enumerated
Jul 1, 2011
Record last updated
Apr 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(508) 973-0318
Medicare enrollment
Enrolled (PECOS I20190624001703); 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 2444 E Main RD

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

  1. Kathleen Baker, MED, CAGS, LMHCMental Health Counselor1689726861
  2. Andrea Bond, MDFamily Medicine Physician1265420442
  3. Julie Deleo, MDInternal Medicine Physician1154319440
  4. Kristin Dillon, RDRegistered Dietitian1104281450
  5. Angela Janick, FNP-CNurse Practitioner1780433474
  6. Jennifer Levy, MDFamily Medicine Physician1528110806

Verify Timothy Byon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
    Search for license MD16679    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 Rhode Island 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% more Medicare Part D claims than the average family medicine physician in 2024

4,301 Medicare Part D claims for 696 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 53 claims were for opioids.

  1. Timothy Byon4,301
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium296 claims
  2. Lisinopril205 claims
  3. Fluticasone Propionate162 claims
  4. Omeprazole151 claims
  5. Amlodipine Besylate150 claims
  6. Levothyroxine Sodium133 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. Southcoast Physicians Group IncPortsmouth, RI

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

4 family medicine physician records list a practice address in Portsmouth

They are 4 of the 202 NPPES records with a practice address in Portsmouth, and 475 family medicine physician records in Rhode Island.

All 4 in Portsmouth → All 475 in Rhode Island → Every provider in Portsmouth →

Other family medicine physician records in Rhode Island

  1. Emily Ackerman, M.D.Slatersville, RI1740256395
  2. Matilda Addo, MDPawtucket, RI1649383241
  3. Benjamin Adler, M.D.West Warwick, RI1538515606
  4. Trent Ainsworth, D.O.Tiverton, RI1578944583
  5. Abdul Rahman Al Hout, MDSmithfield, RI1801381389
  6. Madiha Ali, M.D.Cranston, RI1083233373
  7. Joyce Alves, DOEast Providence, RI1205811635
  8. Jamiel Ambrad, MDWakefield, RI1720076011
  9. Gowri Anandarajah, MDPawtucket, RI1558342311
  10. Derek Andelloux, MDE Greenwich, RI1013145275

Common questions

What is Timothy Byon, M.D.'s NPI number?

Timothy Byon, M.D.'s National Provider Identifier (NPI) is 1538456298, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Byon, M.D. located?

The NPPES record lists a practice address at 2444 E Main RD, Portsmouth, RI, 02871. Phone: (401) 683-4817. Providers update this record themselves, so call before visiting.

How can I verify Timothy Byon, M.D.'s license?

NPPES lists Rhode Island license number MD16679, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Timothy Byon, M.D. prescribe under Medicare Part D?

In 2024, Timothy Byon, M.D. had 4,301 Medicare Part D claims for 696 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.