MS. ALAINA PIRIE FNP
NPI 1275058158
Nurse Practitioner - Family in San Francisco, CA
About Ms. Alaina Pirie Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ALAINA PIRIE FNP (NPI 1275058158) is an individual family provider in San Francisco, California, licensed in California (95006868) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Alaina Pirie Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alaina Pirie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fremont, CA 94539
- Reassigned Medicare billing, California enrollment
- 38 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alaina Pirie's NPI number?
The NPI number for Alaina Pirie is 1275058158. It was assigned to this individual provider in the NPPES registry on August 11, 2017.
Where is Alaina Pirie located?
Alaina Pirie practices at 1425 Fillmore Street Apt.504, San Francisco, CA 94115. The listed phone number is (925) 818-5823.
What is Alaina Pirie's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Alaina Pirie enrolled in Medicare?
Yes. Alaina Pirie is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alaina Pirie's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alaina Pirie reassigns Medicare benefits to Infusion Express Of California Inc (Fremont, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alaina Pirie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alaina Pirie was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Alaina Pirie, FNP · NPI 1275058158
Family physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 11, 2017.
## Identity
- **NPI:** 1275058158 (Entity type: Individual)
- **Enumerated:** August 11, 2017
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95006868 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1425 FILLMORE STREET APT.504, San Francisco, CA 94115
- **Phone:** (925) 818-5823
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Infusion Express Of California Inc (NPI 1447604525, Fremont, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** July 21, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1275058158) · Data from the CMS NPPES public registry.