Thayer A. Clark, DNP
Family Nurse Practitioner · Thomaston, CT
Thayer A. Clark, DNP is a family nurse practitioner with a practice address in Thomaston, Connecticut, and NPI 1477052157, issued on Feb 7, 2018. Check the license (Connecticut 7667, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thayer A. Clark
- Credential
- DNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 7667 CT
Self-reported in NPPES; status is on the state search - Practice location
- 76 Watertown RD Ste 2F, Thomaston, CT 06787
- Phone
- (860) 880-8091
- Enumerated
- Feb 7, 2018
- Record last updated
- Jun 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180824002571); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Verify Thayer A. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 7667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,492 Medicare Part D claims for 734 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium247 claims
- Rosuvastatin Calcium218 claims
- Levothyroxine Sodium181 claims
- Amlodipine Besylate149 claims
- Lisinopril137 claims
- Losartan Potassium129 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): 93.6 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
- Hartford Healthcare Medical Group IncSouthington, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thayer A. Clark among 2,669 family nurse practitioner records in Connecticut
Thayer A. Clark, DNP is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 46% of them.
- NPI issued2018 · 46% of these records are older, 47% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2018 · median 2018 among the 1,664 with a school on file
- Record last updated2019 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 family nurse practitioner records list a practice address in Thomaston
They are 2 of the 58 NPPES records with a practice address in Thomaston, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in Thomaston → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Siena Giordano, APRNThomaston, CT 067871124506043
- Mark Cho, APRNTerryville, CT 067861205700689
- Gabriella Laferriere, DNP, FNPTerryville, CT 067861861266298
- Rebecca Roben, APRNTerryville, CT 067861053408963
- Antigona Ajro, APRNTorrington, CT 067901942550991
- Kayleen Bastiaanse, APRNTorrington, CT 067901669483533
- Eric Federer, APRNTorrington, CT 067901174509095
- Elizabeth Foster, APRNTorrington, CT 067901669404752
Common questions
What is Thayer A. Clark, DNP's NPI number?
Thayer A. Clark, DNP's National Provider Identifier (NPI) is 1477052157, issued on Feb 7, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Thayer A. Clark, DNP located?
The NPPES record lists a practice address at 76 Watertown RD Ste 2F, Thomaston, CT, 06787. Phone: (860) 880-8091. Providers update this record themselves, so call before visiting.
How can I verify Thayer A. Clark, DNP's license?
NPPES lists Connecticut license number 7667, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Thayer A. Clark, DNP prescribe under Medicare Part D?
In 2024, Thayer A. Clark, DNP had 3,492 Medicare Part D claims for 734 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Thayer A. Clark, DNP's MIPS final score?
The 2023 MIPS final score is 93.6 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.