Larissa Hafner, FNP-C
NPI 1588398150 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larissa Hafner, FNP-C is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1588398150).
Provider details
- NPI number
- 1588398150
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1087143 (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 tenure25% of score
3 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
361 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 | 191 | $104 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 47 | $74 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 46 | $12 |
| Urinalysis, Manual Test81002 | 28 | $3 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 26 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 57 | 27 |
| Amlodipine Besylate | 55 | 29 |
| Losartan Potassium | 46 | 22 |
| Lisinopril | 39 | 22 |
| Rosuvastatin Calcium | 36 | 17 |
| Azithromycin | 31 | 31 |
| Hydrochlorothiazide | 30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,777 across 155 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
- 2022-07-11
- Last updated
- 2022-07-11
- Certified
- 2022-07-11
Frequently asked questions
- What is Larissa Hafner's NPI number?
- Larissa Hafner's National Provider Identifier (NPI) is 1588398150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larissa Hafner's specialty?
- Larissa Hafner is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Larissa Hafner located?
- Larissa Hafner's practice location on file with NPPES is 11829 Bricewood Pass, San Antonio, TX 78254-4569.
- What is Larissa Hafner's phone number?
- The practice phone number listed in the NPPES registry for Larissa Hafner is (210) 621-3809.
- Does Larissa Hafner accept Medicare?
- Larissa Hafner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larissa Hafner's NPI active?
- Yes — Larissa Hafner's NPI (1588398150) is active in the NPPES registry as of the last update on 2022-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.