Katherine Mayes, APRN, FNP-C
NPI 1942886114 · Family Nurse Practitioner · Round Rock, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mayes, APRN, FNP-C is a Family Nurse Practitioner provider in Round Rock, TX (NPI 1942886114).
Provider details
- NPI number
- 1942886114
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1032533 (TX)
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
5 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
1,496 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,063 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 281 | $96 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 152 | $140 |
Typical Medicare-allowed amounts for these services range $64–$140 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-19
- Last updated
- 2021-03-19
- Certified
- 2021-03-19
Frequently asked questions
- What is Katherine Mayes's NPI number?
- Katherine Mayes's National Provider Identifier (NPI) is 1942886114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mayes's specialty?
- Katherine Mayes is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Mayes located?
- Katherine Mayes's practice location on file with NPPES is 1400 Hesters Crossing Rd, Round Rock, TX 78681-8025.
- What is Katherine Mayes's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mayes is (512) 244-4400.
- Does Katherine Mayes accept Medicare?
- Katherine Mayes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mayes's NPI active?
- Yes — Katherine Mayes's NPI (1942886114) is active in the NPPES registry as of the last update on 2021-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.