Katherine Thompson-Mayes, CRNP
NPI 1003495888 · Family Nurse Practitioner · Havertown, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Thompson-Mayes, CRNP is a Family Nurse Practitioner provider in Havertown, PA (NPI 1003495888).
Provider details
- NPI number
- 1003495888
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN634479 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
44 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) |
|---|---|---|
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 25 | $98 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 19 | $68 |
Typical Medicare-allowed amounts for these services range $68–$98 (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
Additional practice locations (1)
- 429 4th Ave Fl 7Pittsburgh, PA 15219-1500Phone: (888) 731-8994
Registry dates
- Enumerated
- 2021-04-07
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Katherine Thompson-Mayes's NPI number?
- Katherine Thompson-Mayes's National Provider Identifier (NPI) is 1003495888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Thompson-Mayes's specialty?
- Katherine Thompson-Mayes is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katherine Thompson-Mayes located?
- Katherine Thompson-Mayes's practice location on file with NPPES is 500 W Township Line Rd, Havertown, PA 19083-5211.
- What is Katherine Thompson-Mayes's phone number?
- The practice phone number listed in the NPPES registry for Katherine Thompson-Mayes is (610) 242-9164.
- Does Katherine Thompson-Mayes accept Medicare?
- Katherine Thompson-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 Thompson-Mayes's NPI active?
- Yes — Katherine Thompson-Mayes's NPI (1003495888) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.