Allysa Guerrero, DNP, APRN, FNP-C
NPI 1922729102 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allysa Guerrero, DNP, APRN, FNP-C is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1922729102).
Provider details
- NPI number
- 1922729102
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, APRN, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1096886 (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
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
120 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 | 57 | $79 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $53 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 18 | $112 |
Typical Medicare-allowed amounts for these services range $53–$112 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 86 | 84 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 55 | 55 |
| Prednisone | 43 | 43 |
| Doxycycline Hyclate | 42 | 40 |
| Cefdinir | 32 | 32 |
| Ciprofloxacin Hcl | 31 | 31 |
| Ibuprofen | 30 | 28 |
| Methylprednisolone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 1 record (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 (3)
- 3611 Jaguar PkwySan Antonio, TX 78224-3271Phone: (726) 236-9560Fax: (210) 702-6896
- 4647 Medical DrSan Antonio, TX 78229-4403Phone: (210) 358-5510Fax: (210) 358-8536
- 3860 E Interstate Highway 10San Antonio, TX 78220-4063Phone: (210) 644-5060Fax: (210) 702-6926
Registry dates
- Enumerated
- 2022-09-07
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Allysa Guerrero's NPI number?
- Allysa Guerrero's National Provider Identifier (NPI) is 1922729102, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allysa Guerrero's specialty?
- Allysa Guerrero is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allysa Guerrero located?
- Allysa Guerrero's practice location on file with NPPES is 903 W Martin St, San Antonio, TX 78207-0903.
- What is Allysa Guerrero's phone number?
- The practice phone number listed in the NPPES registry for Allysa Guerrero is (210) 358-3400.
- Does Allysa Guerrero accept Medicare?
- Allysa Guerrero is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allysa Guerrero's NPI active?
- Yes — Allysa Guerrero's NPI (1922729102) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.