Janet M. Williams, M.D.
Emergency Medicine Physician · Greece, NY
Janet M. Williams, M.D. is an emergency medicine physician with a practice address in Greece, New York, and NPI 1144263070, issued on Jun 14, 2006. Check the license (New York 226659-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Janet M. Williams
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 226659-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2745 W. Ridge Road, Greece, NY 14626
- Phone
- (585) 225-5252
- Enumerated
- Jun 14, 2006
- Record last updated
- Mar 29, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (512) 280-1446
- Medicare enrollment
- Enrolled (PECOS I20060117000798); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 1991
- Entity
- Type 1 · individual
Verify Janet M. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 226659-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
78% fewer Medicare Part D claims than the average emergency medicine physician in 2024
50 Medicare Part D claims for 37 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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 MIPS final score for 2023 (Medicare payment program): 95.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Western New York Medical Practice PCRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
1 emergency medicine physician records list a practice address in Greece
They are 1 of the 51 NPPES records with a practice address in Greece, and 5,025 emergency medicine physician records in New York.
Other emergency medicine physician records in New York
- Matthew Abad, D.O.Bronx, NY1629490693
- Theophine Abakporo, M.D.Brooklyn, NY1972564813
- Nabil AbazaidNew York, NY1578025979
- Ethan Abbott, DOBronx, NY1619252202
- Frederick Abbuhl, MDAlbany, NY1831138882
- Minako Abe, MDNew York, NY1578635249
- Benjamin Abella, MDNew York, NY1568560746
- Gilbert Abou Dagher, M.DNew York, NY1275743700
- Gallane Abraham, MDBronx, NY1275859696
- Joel Abraham, D.O.New Hyde Park, NY1578815437
Common questions
What is Janet M. Williams, M.D.'s NPI number?
Janet M. Williams, M.D.'s National Provider Identifier (NPI) is 1144263070, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet M. Williams, M.D. located?
The NPPES record lists a practice address at 2745 W. Ridge Road, Greece, NY, 14626. Phone: (585) 225-5252. Providers update this record themselves, so call before visiting.
How can I verify Janet M. Williams, M.D.'s license?
NPPES lists New York license number 226659-1, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Janet M. Williams, M.D. prescribe under Medicare Part D?
In 2024, Janet M. Williams, M.D. had 50 Medicare Part D claims for 37 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Janet M. Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 95.2 of 100. 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.