Abigail Martinez, FNP
NPI 1821563321 · Family Nurse Practitioner · Universal City, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Abigail Martinez, FNP is a Family Nurse Practitioner provider in Universal City, TX (NPI 1821563321).
Provider details
- NPI number
- 1821563321
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AP139057 (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
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
515 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 156 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 92 | $103 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 | 53 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 38 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 37 | $91 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 168 | 167 |
| Methylprednisolone | 32 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 30 | 30 |
| Prednisone | 28 | 28 |
| Cephalexin | 27 | 26 |
| Azithromycin | 27 | 27 |
| Amoxicillin | 24 | 23 |
Practice location
Mailing address
Additional practice locations (2)
- 11130 Christus Hls Ste 207San Antonio, TX 78251-3586Phone: (210) 703-8925
- 11212 State Highway 151 Ste 100San Antonio, TX 78251-4500Phone: (210) 703-8925
Registry dates
- Enumerated
- 2018-10-10
- Last updated
- 2025-09-03
- Certified
- 2025-09-03
Frequently asked questions
- What is Abigail Martinez's NPI number?
- Abigail Martinez's National Provider Identifier (NPI) is 1821563321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Abigail Martinez's specialty?
- Abigail Martinez is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Abigail Martinez located?
- Abigail Martinez's practice location on file with NPPES is 902 Kitty Hawk Rd Ste 110, Universal City, TX 78148-3827.
- What is Abigail Martinez's phone number?
- The practice phone number listed in the NPPES registry for Abigail Martinez is (210) 659-0889.
- Does Abigail Martinez accept Medicare?
- Abigail Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Abigail Martinez's NPI active?
- Yes — Abigail Martinez's NPI (1821563321) is active in the NPPES registry as of the last update on 2025-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.