Anna Birks, APRN, FNP-C
NPI 1942897087 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anna Birks, APRN, FNP-C is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1942897087).
Provider details
- NPI number
- 1942897087
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 251373 (AZ)
Specialties & taxonomies
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
5 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
344 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 | 97 | $103 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 58 | $136 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 52 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 46 | $41 |
| Automated Urinalysis Test81003 | 39 | $2 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 21 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 43 | 42 |
| Prednisone | 39 | 39 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 20 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 13 | 13 |
| Cephalexin | 12 | 12 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 12 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$48 across 2 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
- 2020-12-23
- Last updated
- 2022-12-08
- Certified
- 2022-12-08
Frequently asked questions
- What is Anna Birks's NPI number?
- Anna Birks's National Provider Identifier (NPI) is 1942897087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anna Birks's specialty?
- Anna Birks is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Anna Birks located?
- Anna Birks's practice location on file with NPPES is 540 Madison Oak Dr Ste 450, San Antonio, TX 78258-3932.
- What is Anna Birks's phone number?
- The practice phone number listed in the NPPES registry for Anna Birks is (210) 499-4824.
- Does Anna Birks accept Medicare?
- Anna Birks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anna Birks's NPI active?
- Yes — Anna Birks's NPI (1942897087) is active in the NPPES registry as of the last update on 2022-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.