Registry data as of Aug 27, 2026

Thayer Clark, DNP

Family Nurse Practitioner · Thomaston, CT

Thayer 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1477052157
Name
Thayer 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Thayer Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 7667
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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 1,302 among the 128,048 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Thayer Clark3,492
  2. Specialty average1,302

Most prescribed

  1. Atorvastatin Calcium247 claims
  2. Rosuvastatin Calcium218 claims
  3. Levothyroxine Sodium181 claims
  4. Amlodipine Besylate149 claims
  5. Lisinopril137 claims
  6. 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 Medicare quality score for 2023: 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.

  1. Qualityout of 100 · 30% of the final score78.5
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Hartford Healthcare Medical Group IncSouthington, CT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 family nurse practitioner records list a Thomaston practice address

They are 2 of the 58 NPPES records with a Thomaston practice address, and 2,315 family nurse practitioner records in Connecticut.

Other family nurse practitioner records in Connecticut

  1. Renato Abastillas, APRNRocky Hill, CT1568795821
  2. Farhiya AbdiSouth Windsor, CT1609382027
  3. Maryam Abdishoo, NPPutnam, CT1275143778
  4. Anwar Abdulrehman, APRNWaterbury, CT1194614255
  5. Talita Acciari, APRNNew Haven, CT1275469777
  6. Denise AceStratford, CT1003572033
  7. Tara Ackerly, FNPDanbury, CT1831331602
  8. Magdaline Ackers, FNPMiddletown, CT1801633896
  9. Rimanatou Adamou-DodoHartford, CT1588532980
  10. Stephanie Adams, APRNNorwich, CT1467946152

Common questions

What is Thayer Clark, DNP's NPI number?

Thayer 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 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 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 Clark, DNP prescribe under Medicare Part D?

In 2024, Thayer Clark, DNP had 3,492 Medicare Part D claims for 734 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

What is Thayer Clark, DNP's Medicare quality 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.