Kathryn Clarke, FNP
NPI 1265665467 · Family Nurse Practitioner · Tucson, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Clarke, FNP is a Family Nurse Practitioner provider in Tucson, AZ (NPI 1265665467).
Provider details
- NPI number
- 1265665467
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP3406 (AZ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
16 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
92 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $105 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 13 | $9 |
Typical Medicare-allowed amounts for these services range $9–$105 (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 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 302 | 48 |
| Metformin Hcl | 139 | 27 |
| Losartan Potassium | 132 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 122 | 38 |
| Amlodipine Besylate | 115 | 14 |
| Atenolol | 105 | 14 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 6 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
- 2009-09-03
- Last updated
- 2022-03-09
- Certified
- 2022-03-09
Frequently asked questions
- What is Kathryn Clarke's NPI number?
- Kathryn Clarke's National Provider Identifier (NPI) is 1265665467, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Clarke's specialty?
- Kathryn Clarke is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Clarke located?
- Kathryn Clarke's practice location on file with NPPES is 1845 W Orange Grove Rd Bldg 2, Tucson, AZ 85704-1144.
- What is Kathryn Clarke's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Clarke is (520) 531-8967.
- Does Kathryn Clarke accept Medicare?
- Kathryn Clarke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Clarke's NPI active?
- Yes — Kathryn Clarke's NPI (1265665467) is active in the NPPES registry as of the last update on 2022-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.