NPPES file of Aug 9, 2026

James Hamilton Williams, MD

Emergency Medicine Physician · Farmington, ME

James Hamilton Williams, MD is an emergency medicine physician with a practice address in Farmington, Maine, and NPI 1518491307, issued on Apr 18, 2017. Check the license (Maine MD28199, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518491307
Name
James Hamilton Williams
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
MD28199 ME
A157561 CA
M-2316 GU
Self-reported in NPPES; status is on the state search
Practice location
111 Franklin Health Cmns, Farmington, ME 04938
Phone
(207) 778-6031
Enumerated
Apr 18, 2017
Record last updated
Apr 15, 2025
Fax
(207) 779-2632
Medicare enrollment
Enrolled (PECOS I20221229001042); accepts Medicare assignment
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 111 Franklin Health Cmns

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

  1. Lynette Abbott, PTPhysical Therapist1174113393
  2. Jonathan Abell, PT, DPTPhysical Therapist1649831421
  3. Ranjiv Advani, MDEmergency Medicine Physician1396716742
  4. Taylor AntanavichSpeech-Language Pathologist1457911216
  5. Tamara Bannerman, BSCPTPhysical Therapist1356517049
  6. Michael Bellino, MDEmergency Medicine Physician1780670950

Verify James Hamilton Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
    Search for license MD28199
    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 Maine 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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93% fewer Medicare Part D claims than the average emergency medicine physician in 2024

15 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. James Williams15
  2. Specialty average226

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 88.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.2
  2. Costout of 100 · 30%74.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Guam Healthcare Development IncorporatedDededo, GU

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

James Hamilton Williams among 466 emergency medicine physician records in Maine

James Hamilton Williams, MD is one of 466 emergency medicine physician records with a practice address in Maine. 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 2017, is newer than 76% of them.

  • NPI issued2017 · 76% of these records are older, 19% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2017 · median 2011 among the 293 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 emergency medicine physician records list a practice address in Farmington

They are 21 of the 349 NPPES records with a practice address in Farmington, and 466 emergency medicine physician records in Maine.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ranjiv Advani, MDFarmington, ME 049381396716742
  2. Michael Bellino, MDFarmington, ME 049381780670950
  3. Jodi Conrad, D.O.Farmington, ME 049381023556990
  4. David Gammons, M.D.Farmington, ME 049381073976189
  5. Michele Harper, MDFarmington, ME 049381871731521
  6. Max Hoddwells, MDFarmington, ME 049381821526187
  7. David Kearing, M.D.Farmington, ME 049381407804156
  8. Aaron Ratner, DO, MSFarmington, ME 049381063708766

Common questions

What is James Hamilton Williams, MD's NPI number?

James Hamilton Williams, MD's National Provider Identifier (NPI) is 1518491307, issued on Apr 18, 2017. An NPI identifies a provider in billing; it is not a license.

Where is James Hamilton Williams, MD located?

The NPPES record lists a practice address at 111 Franklin Health Cmns, Farmington, ME, 04938. Phone: (207) 778-6031. Providers update this record themselves, so call before visiting.

How can I verify James Hamilton Williams, MD's license?

NPPES lists Maine license number MD28199, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does James Hamilton Williams, MD prescribe under Medicare Part D?

In 2024, James Hamilton Williams, MD had 15 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is James Hamilton Williams, MD's MIPS final score?

The 2023 MIPS final score is 88.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.