Petra Grinnell, APRN, FNP-BC
NPI 1386959120 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Petra Grinnell, APRN, FNP-BC is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1386959120).
Provider details
- NPI number
- 1386959120
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 550234 (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 tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,115 | 369 |
| Levothyroxine Sodiumbrand: Synthroid | 232 | 69 |
| Alendronate Sodium | 95 | 31 |
| Atorvastatin Calcium | 78 | 30 |
| Semaglutidebrand: Ozempic | 57 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 53 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,434 across 67 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
- 2010-08-17
- Last updated
- 2011-12-27
Frequently asked questions
- What is Petra Grinnell's NPI number?
- Petra Grinnell's National Provider Identifier (NPI) is 1386959120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Petra Grinnell's specialty?
- Petra Grinnell is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Petra Grinnell located?
- Petra Grinnell's practice location on file with NPPES is 1303 Mccullough Ave, San Antonio, TX 78212-5615.
- What is Petra Grinnell's phone number?
- The practice phone number listed in the NPPES registry for Petra Grinnell is (210) 223-5483.
- Does Petra Grinnell accept Medicare?
- Petra Grinnell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Petra Grinnell's NPI active?
- Yes — Petra Grinnell's NPI (1386959120) is active in the NPPES registry as of the last update on 2011-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.