Dennis Williams, M.D.
Family Medicine Physician · Bridgeport, CT
Dennis Williams, M.D. is a family medicine physician with a practice address in Bridgeport, Connecticut, and NPI 1093715955, issued on Jul 21, 2005. Check the license (Connecticut 030225, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Dennis Williams
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 030225 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1381 Reservoir Ave, Bridgeport, CT 06606
- Phone
- (203) 371-5197
- Enumerated
- Jul 21, 2005
- Record last updated
- Jan 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (203) 371-6118
- Medicare enrollment
- Enrolled (PECOS I20060508000597); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 958 in Connecticut → Look up another NPI →
Also registered at 1381 Reservoir Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christy Santilli, PAMedical Physician Assistant1336780709
Verify Dennis Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 030225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average family medicine physician in 2024
3,371 Medicare Part D claims for 207 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Atorvastatin Calcium213 claims
- Amlodipine Besylate194 claims
- Rosuvastatin Calcium119 claims
- Metoprolol Succinate104 claims
- Pantoprazole Sodium84 claims
- Lisinopril-Hydrochlorothiazide77 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 practice group's MIPS final score for 2023 (Medicare payment program): 84.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Williams among 958 family medicine physician records in Connecticut
Dennis Williams, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1987 · median 2009 among the 611 with a school on file
- Record last updated2021 · 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).
Family Medicine Physician providers in Connecticut
There are 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Bridgeport → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- David Altamirano, M.D.Bridgeport, CT 066061104139963
- Iran Gomez, MDBridgeport, CT 066061811131105
- John Iannarone, MDBridgeport, CT 066061013943190
- Jibin James, M.D.Bridgeport, CT 066061497069439
- Jennifer Ju, M.D.Bridgeport, CT 066061770512402
- Jackson Maille, MDBridgeport, CT 066061255443479
- Daynna Moriello-Conte, MDBridgeport, CT 066061508152208
- Aaron Nepaul, MDBridgeport, CT 066061205498482
Common questions
What is Dennis Williams, M.D.'s NPI number?
Dennis Williams, M.D.'s National Provider Identifier (NPI) is 1093715955, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Williams, M.D. located?
The NPPES record lists a practice address at 1381 Reservoir Ave, Bridgeport, CT, 06606. Phone: (203) 371-5197. Providers update this record themselves, so call before visiting.
How can I verify Dennis Williams, M.D.'s license?
NPPES lists Connecticut license number 030225, 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 Dennis Williams, M.D. prescribe under Medicare Part D?
In 2024, Dennis Williams, M.D. had 3,371 Medicare Part D claims for 207 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Dennis Williams, M.D.'s MIPS final score?
The 2023 MIPS final score is 84.5 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.