Heather Armstrong, MSN, APRN, FNP-C
NPI 1023890951 · Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Armstrong, MSN, APRN, FNP-C is a Nurse Practitioner provider in San Antonio, TX (NPI 1023890951).
Provider details
- NPI number
- 1023890951
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN, FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1139482 (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
2 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
810 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 369 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 147 | $102 |
| Automated Urinalysis Test81003 | 89 | $2 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 58 | $34 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 58 | $105 |
| Detection Test By Nucleic Acid for Multiple Types Influenza Virus87502 | 41 |
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 | 65 | 63 |
| Azithromycin | 51 | 49 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 46 | 46 |
| Doxycycline Hyclate | 28 | 28 |
| Prednisone | 26 | 26 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 19 | 17 |
| Methylprednisolone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 7 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)
- 1331 Bandera HwyKerrville, TX 78028-9515Phone: (830) 258-7762Fax: (833) 905-2454
Registry dates
- Enumerated
- 2023-10-16
- Last updated
- 2026-02-05
- Certified
- 2026-02-05
Frequently asked questions
- What is Heather Armstrong's NPI number?
- Heather Armstrong's National Provider Identifier (NPI) is 1023890951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Armstrong's specialty?
- Heather Armstrong is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heather Armstrong located?
- Heather Armstrong's practice location on file with NPPES is 5223 Hamilton Wolfe Rd, San Antonio, TX 78229-4463.
- What is Heather Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Heather Armstrong is (214) 614-1234.
- Does Heather Armstrong accept Medicare?
- Heather Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Armstrong's NPI active?
- Yes — Heather Armstrong's NPI (1023890951) is active in the NPPES registry as of the last update on 2026-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.