Karen Mayo, CRNP
NPI 1285725242 · Family Nurse Practitioner · Aliquippa, PA
Karen Mayo, CRNP is a Family Nurse Practitioner provider in Aliquippa, PA (NPI 1285725242).
Provider details
- NPI number
- 1285725242
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- No
- License
- SP007245 (PA)
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
19 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
267 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 | 194 | $102 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 45 | $28 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 28 | $73 |
Typical Medicare-allowed amounts for these services range $28–$102 (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 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 463 | 102 |
| Empagliflozinbrand: Jardiance | 319 | 67 |
| Semaglutidebrand: Ozempic | 239 | 51 |
| Dulaglutidebrand: Trulicity | 231 | 45 |
| Metformin Hcl | 228 | 66 |
| Insulin Glargine,hum.rec.anlogbrand: Toujeo Max Solostar | 214 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$363 across 22 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
- 2006-09-27
- Last updated
- 2016-07-11
Frequently asked questions
- What is Karen Mayo's NPI number?
- Karen Mayo's National Provider Identifier (NPI) is 1285725242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mayo's specialty?
- Karen Mayo is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Mayo located?
- Karen Mayo's practice location on file with NPPES is 2360 Hospital Dr, Aliquippa, PA 15001-2160.
- What is Karen Mayo's phone number?
- The practice phone number listed in the NPPES registry for Karen Mayo is (724) 378-0830.
- Is Karen Mayo's NPI active?
- Yes — Karen Mayo's NPI (1285725242) is active in the NPPES registry as of the last update on 2016-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.