Thayer Clark, DNP
NPI 1477052157 · Family Nurse Practitioner · Thomaston, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thayer Clark, DNP is a Family Nurse Practitioner provider in Thomaston, CT (NPI 1477052157).
Provider details
- NPI number
- 1477052157
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 7667 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
204 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 99 | $117 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 29 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $82 |
| Hemoglobin A1c Level83036 | 19 | $10 |
| Administration of Influenza Virus VaccineG0008 | 19 | $34 |
| Admn Sarscov2 Vacc 1 Dose90480 | 17 | $45 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 247 | 105 |
| Rosuvastatin Calcium | 218 | 90 |
| Levothyroxine Sodium | 181 | 73 |
| Amlodipine Besylate | 149 | 75 |
| Lisinopril | 137 | 56 |
| Losartan Potassium | 129 | 51 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-02-07
- Last updated
- 2019-06-28
Frequently asked questions
- What is Thayer Clark's NPI number?
- Thayer Clark's National Provider Identifier (NPI) is 1477052157, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thayer Clark's specialty?
- Thayer Clark is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thayer Clark located?
- Thayer Clark's practice location on file with NPPES is 76 Watertown Rd Ste 2f, Thomaston, CT 06787-1826.
- What is Thayer Clark's phone number?
- The practice phone number listed in the NPPES registry for Thayer Clark is (860) 880-8091.
- Does Thayer Clark accept Medicare?
- Thayer Clark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thayer Clark's NPI active?
- Yes — Thayer Clark's NPI (1477052157) is active in the NPPES registry as of the last update on 2019-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.