Mary Harrison, FNP-C
NPI 1528713765 · Family Nurse Practitioner · Austin, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Harrison, FNP-C is a Family Nurse Practitioner provider in Austin, TX (NPI 1528713765).
Provider details
- NPI number
- 1528713765
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- F01220263 (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
4 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
110 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 52 | $91 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 28 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 17 | $60 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $110 |
Typical Medicare-allowed amounts for these services range $60–$131 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 36 | 13 |
| Alprazolam | 27 | — |
| Liothyronine Sodium | 27 | — |
| Progesterone, Micronizedbrand: Progesterone | 27 | — |
| Valacyclovir Hclbrand: Valacyclovir | 27 | — |
| Thyroid,porkbrand: Armour Thyroid | 23 | — |
| Thyroid,porkbrand: NP Thyroid |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-02-16
- Last updated
- 2025-10-20
- Certified
- 2025-10-20
Frequently asked questions
- What is Mary Harrison's NPI number?
- Mary Harrison's National Provider Identifier (NPI) is 1528713765, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Harrison's specialty?
- Mary Harrison is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Harrison located?
- Mary Harrison's practice location on file with NPPES is 3006 Bee Caves Rd Ste B180, Austin, TX 78746-6789.
- What is Mary Harrison's phone number?
- The practice phone number listed in the NPPES registry for Mary Harrison is (512) 600-9898.
- Does Mary Harrison accept Medicare?
- Mary Harrison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Harrison's NPI active?
- Yes — Mary Harrison's NPI (1528713765) is active in the NPPES registry as of the last update on 2025-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.