Kathryn Tierney, APRN
NPI 1174526784 · Family Nurse Practitioner · Middletown, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Tierney, APRN is a Family Nurse Practitioner provider in Middletown, CT (NPI 1174526784).
Provider details
- NPI number
- 1174526784
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 002731 (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 tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
265 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 171 | $117 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 94 | $31 |
Typical Medicare-allowed amounts for these services range $31–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 206 | 56 |
| Insulin Degludecbrand: Tresiba Flextouch U-200 | 187 | 60 |
| Levothyroxine Sodium | 99 | 29 |
| Empagliflozinbrand: Jardiance | 92 | 30 |
| Metformin Hcl | 80 | 25 |
| Insulin Lisprobrand: Humalog Kwikpen U-100 | 74 | 34 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16,621 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-27
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Kathryn Tierney's NPI number?
- Kathryn Tierney's National Provider Identifier (NPI) is 1174526784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Tierney's specialty?
- Kathryn Tierney is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Tierney located?
- Kathryn Tierney's practice location on file with NPPES is 540 Saybrook Rd Ste 210, Middletown, CT 06457-4759.
- What is Kathryn Tierney's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Tierney is (860) 358-6875.
- Does Kathryn Tierney accept Medicare?
- Kathryn Tierney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Tierney's NPI active?
- Yes — Kathryn Tierney's NPI (1174526784) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.