Clifford Vernor Dunn, M.D.
Family Medicine Physician · Windsor, CT
Clifford Vernor Dunn, M.D. is a family medicine physician with a practice address in Windsor, Connecticut, and NPI 1548468036, issued on Jul 5, 2007. Check the license (Connecticut 62665, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Clifford Vernor Dunn
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 62665 CT
6626822-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 851 Marshall Phelps RD, Windsor, CT 06095
- Phone
- (860) 683-0756
- Enumerated
- Jul 5, 2007
- Record last updated
- Jul 10, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (860) 683-1555
- Medicare enrollment
- Enrolled (PECOS I20140522000646); accepts Medicare assignment
- 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 851 Marshall Phelps RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Flanagan, MDFamily Medicine Physician1013981471
- Kimberly Gygi, DOFamily Medicine Physician1356600787
- Onyinyechukwu KanuFamily Medicine Physician1528421807
- Neena Pursnani, MDFamily Medicine Physician1306871355
- Tonya Steinen, MDFamily Medicine Physician1811922859
Verify Clifford Vernor Dunn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 62665Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average family medicine physician in 2024
1,937 Medicare Part D claims for 168 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 21 claims were for opioids.
Most prescribed
- Atorvastatin Calcium197 claims
- Amlodipine Besylate108 claims
- Levothyroxine Sodium84 claims
- Losartan Potassium69 claims
- Gabapentin63 claims
- Lisinopril63 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.
Industry payments in 2024: $23.46
1 payment: food and beverage; the largest payer was Dexcom, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Phoebe Physician Group IncAmericus, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clifford Vernor Dunn among 958 family medicine physician records in Connecticut
Clifford Vernor Dunn, 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 2007, is newer than 43% of them.
- NPI issued2007 · 43% of these records are older, 48% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · 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).
14 family medicine physician records list a practice address in Windsor
They are 14 of the 884 NPPES records with a practice address in Windsor, and 958 family medicine physician records in Connecticut.
All 958 in Connecticut → Every provider in Windsor → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kristin Bissell, M.D.Windsor, CT 060951730120395
- Kevin Flanagan, MDWindsor, CT 060951013981471
- Kimberly Gygi, DOWindsor, CT 060951356600787
- Ryan Heffelfinger, DOWindsor, CT 060951831293570
- Onyinyechukwu KanuWindsor, CT 060951528421807
- Mellessa KeagoWindsor, CT 060951922749233
- Charlene Li, MDWindsor, CT 060951447285838
- Kathleen Mueller, MDWindsor, CT 060951033219639
Common questions
What is Clifford Vernor Dunn, M.D.'s NPI number?
Clifford Vernor Dunn, M.D.'s National Provider Identifier (NPI) is 1548468036, issued on Jul 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Clifford Vernor Dunn, M.D. located?
The NPPES record lists a practice address at 851 Marshall Phelps RD, Windsor, CT, 06095. Phone: (860) 683-0756. Providers update this record themselves, so call before visiting.
How can I verify Clifford Vernor Dunn, M.D.'s license?
NPPES lists Connecticut license number 62665, 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 Clifford Vernor Dunn, M.D. prescribe under Medicare Part D?
In 2024, Clifford Vernor Dunn, M.D. had 1,937 Medicare Part D claims for 168 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.