Annette Gantz, FNP
NPI 1245753730 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annette Gantz, FNP is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1245753730).
Provider details
- NPI number
- 1245753730
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP134256 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,694 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 | 513 | $103 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 478 | $12 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 216 | $64 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 166 | $31 |
| Calculation of Trabecular Bone Score (tbs) Using Imaging Data With Interpretation and Report on Fracture Risk77089 | 124 | $32 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Abaloparatidebrand: Tymlos | 428 | 88 |
| Denosumabbrand: Prolia | 66 | 42 |
| Teriparatide | 50 | — |
| Romosozumab-Aqqgbrand: Evenity (2 Syringes) | 37 | — |
| Ergocalciferol (vitamin D2)brand: Vitamin D2 | 33 | — |
| Raloxifene Hcl | 14 | — |
| Teriparatidebrand: Forteo | 13 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,010 across 56 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
Additional practice locations (1)
- 225 E Sonterra Blvd Ste 220San Antonio, TX 78258-3886Phone: (210) 448-1499Fax: (210) 448-1294
Registry dates
- Enumerated
- 2017-07-17
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Annette Gantz's NPI number?
- Annette Gantz's National Provider Identifier (NPI) is 1245753730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annette Gantz's specialty?
- Annette Gantz is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Annette Gantz located?
- Annette Gantz's practice location on file with NPPES is 540 Oak Centre Dr Ste 260, San Antonio, TX 78258-4767.
- What is Annette Gantz's phone number?
- The practice phone number listed in the NPPES registry for Annette Gantz is (210) 448-1499.
- Does Annette Gantz accept Medicare?
- Annette Gantz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annette Gantz's NPI active?
- Yes — Annette Gantz's NPI (1245753730) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.