Alexandra Girrens, FNP
NPI 1508596511 · Family Nurse Practitioner · Parker, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Girrens, FNP is a Family Nurse Practitioner provider in Parker, CO (NPI 1508596511).
Provider details
- NPI number
- 1508596511
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- APN.0997637 (CO)
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
4 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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 63 | 21 |
| Amlodipine Besylate | 32 | 11 |
| Atorvastatin Calcium | 31 | 11 |
| Levothyroxine Sodium | 30 | 13 |
| Sertraline Hcl | 21 | — |
| Lisinopril | 20 | — |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$644 across 38 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
- 2022-06-13
- Last updated
- 2022-06-13
- Certified
- 2022-06-08
Frequently asked questions
- What is Alexandra Girrens's NPI number?
- Alexandra Girrens's National Provider Identifier (NPI) is 1508596511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Girrens's specialty?
- Alexandra Girrens is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Girrens located?
- Alexandra Girrens's practice location on file with NPPES is 10259 S Parker Rd Ste 200, Parker, CO 80134-9106.
- What is Alexandra Girrens's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Girrens is (303) 805-2273.
- Does Alexandra Girrens accept Medicare?
- Alexandra Girrens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Girrens's NPI active?
- Yes — Alexandra Girrens's NPI (1508596511) is active in the NPPES registry as of the last update on 2022-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.