John D. Williams, MD
Family Medicine Physician · Middletown, CT
John D. Williams, MD is a family medicine physician with a practice address in Middletown, Connecticut, and NPI 1366707580, issued on Jul 13, 2012. Check the license (Connecticut 055047, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John D. Williams
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 055047 CT
55047 CT
Self-reported in NPPES; status is on the state search - Practice location
- 90 S Main St, Middletown, CT 06457
- Phone
- (860) 358-6486
- Enumerated
- Jul 13, 2012
- Record last updated
- Aug 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160803001271); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 958 in Connecticut → Look up another NPI →
Also registered at 90 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suleiman Abiola, MDStudent in an Organized Health Care Education/Training Program1538800149
- Hunter AdamsStudent in an Organized Health Care Education/Training Program1235979121
- Kassidy Amburgey, M.D.Student in an Organized Health Care Education/Training Program1720782261
- Shelley Burchsted, MDFamily Medicine Physician1235579251
- Michelle Cardona, M.D., M.P.H.Family Medicine Physician1346462256
- Jessica Cerdena, M.D.Student in an Organized Health Care Education/Training Program1033813597
Verify John D. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 055047Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average family medicine physician in 2024
1,978 Medicare Part D claims for 212 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium184 claims
- Amlodipine Besylate133 claims
- Lisinopril82 claims
- Levothyroxine Sodium72 claims
- Metformin Hcl62 claims
- Hydrochlorothiazide59 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.
The MIPS final score for 2023 (Medicare payment program): 97.3 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).
One hospital affiliation
- Middlesex HospitalMiddletown, CT · Acute Care Hospitals3 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John D. Williams among 958 family medicine physician records in Connecticut
John D. Williams, MD is one of 958 family medicine physician records with a practice address in Connecticut. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2009 among the 611 with a school on file
- Record last updated2019 · 56% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 family medicine physician records list a practice address in Middletown
They are 58 of the 1,590 NPPES records with a practice address in Middletown, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Middletown → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alan Douglass, M.D.Middletown, CT 064571982684296
- Cliff Drechsler-Martell, MDMiddletown, CT 064571770558108
- Matthew Huddleston, MDMiddletown, CT 064571063418218
- Michael Kazakoff, M.D.Middletown, CT 064571346220647
- Adriel Kramer, M.D.Middletown, CT 064571932189792
- Thomas Lambe, M.D.Middletown, CT 064571831197706
- Carl Lecce, MDMiddletown, CT 064571477550523
- Karen McArthur, M.D.Middletown, CT 064571710965199
Common questions
What is John D. Williams, MD's NPI number?
John D. Williams, MD's National Provider Identifier (NPI) is 1366707580, issued on Jul 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John D. Williams, MD located?
The NPPES record lists a practice address at 90 S Main St, Middletown, CT, 06457. Phone: (860) 358-6486. Providers update this record themselves, so call before visiting.
How can I verify John D. Williams, MD's license?
NPPES lists Connecticut license number 055047, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John D. Williams, MD prescribe under Medicare Part D?
In 2024, John D. Williams, MD had 1,978 Medicare Part D claims for 212 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John D. Williams, MD's MIPS final score?
The 2023 MIPS final score is 97.3 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.