Brian L. Williams, MD
Family Medicine Physician · Niantic, CT
Brian L. Williams, MD is a family medicine physician with a practice address in Niantic, Connecticut, and NPI 1518945351, issued on Jan 3, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brian L. Williams
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD12262 HI
Self-reported in NPPES; status is on the state search - Practice location
- 248 Flanders RD, Niantic, CT 06357
- Phone
- (860) 739-5426
- Enumerated
- Jan 3, 2006
- Record last updated
- Jun 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (860) 739-0063
- Medicaid ID
- 51864901 HI
- Medicare enrollment
- Enrolled (PECOS I20110511000122); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1998
- 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 248 Flanders RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luanne Benshimol, NPPrimary Care Nurse Practitioner1144400060
- Erin Colella, APRNNurse Practitioner1326586041
- Cassandra Cotter, APRNFamily Nurse Practitioner1831834035
- Sara Harrington-Doyon, PHARM.D.Pharmacist1215465703
- Hannah LeonardFamily Medicine Physician1053271353
- Meghan Luoma, PA-CPhysician Assistant1093482911
Verify Brian L. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average family medicine physician in 2024
3,649 Medicare Part D claims for 320 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 121 claims were for opioids.
Most prescribed
- Atorvastatin Calcium327 claims
- Amlodipine Besylate189 claims
- Hydrochlorothiazide161 claims
- Losartan Potassium130 claims
- Lisinopril111 claims
- Rosuvastatin Calcium102 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): 93.3 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).
Bills Medicare through one group practice
- Northeast Medical Group IncNiantic, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian L. Williams among 958 family medicine physician records in Connecticut
Brian L. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1998 · median 2009 among the 611 with a school on file
- Record last updated2012 · 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).
5 family medicine physician records list a practice address in Niantic
They are 5 of the 119 NPPES records with a practice address in Niantic, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Niantic → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Melvin Engel, M.D.Niantic, CT 063571427151513
- Troy Frazer, D.O.Niantic, CT 063571689775918
- Hannah LeonardNiantic, CT 063571053271353
- Gina Williams, MDNiantic, CT 063571023094158
- Etny Candelario, MDMystic, CT 063551568084150
- Sungsil Cho, MDMystic, CT 063551437611696
- Michael Feltes, M.D.Mystic, CT 063551689690216
- Kelsey Finn, DOMystic, CT 063551952836074
Common questions
What is Brian L. Williams, MD's NPI number?
Brian L. Williams, MD's National Provider Identifier (NPI) is 1518945351, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian L. Williams, MD located?
The NPPES record lists a practice address at 248 Flanders RD, Niantic, CT, 06357. Phone: (860) 739-5426. Providers update this record themselves, so call before visiting.
How can I verify Brian L. Williams, MD's license?
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 Brian L. Williams, MD prescribe under Medicare Part D?
In 2024, Brian L. Williams, MD had 3,649 Medicare Part D claims for 320 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Brian L. Williams, MD's MIPS final score?
The 2023 MIPS final score is 93.3 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.