ALISON ELIZABETH COLLIER FNP
NPI 1639553753
Nurse Practitioner - Family in Simi Valley, CA
About Alison Elizabeth Collier Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON ELIZABETH COLLIER FNP (NPI 1639553753) is an individual family provider in Simi Valley, California, licensed in New York (F340317-1) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Alison Elizabeth Collier 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 Alison Collier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fort Collins, CO 80524
- Reassigned Medicare billing, Colorado enrollment
- 51 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Alison Collier's NPI number?
The NPI number for Alison Collier is 1639553753. It was assigned to this individual provider in the NPPES registry on July 17, 2015.
Where is Alison Collier located?
Alison Collier practices at 742 Donnington Ct, Simi Valley, CA 93065. The listed phone number is (303) 523-7069.
What is Alison Collier's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Alison Collier enrolled in Medicare?
Yes. Alison Collier 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 Alison Collier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Collier reassigns Medicare benefits to Advanced Dermatology Of Colorado, PC (Fort Collins, CO). 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 Alison Collier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Collier accept?
Health plans from UnitedHealthcare list Alison Collier as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Alison Collier was last updated on July 5, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Alison Elizabeth Collier, FNP · NPI 1639553753
Family physician in Simi Valley, California. Individual provider, active in the CMS NPPES registry since July 17, 2015.
## Identity
- **NPI:** 1639553753 (Entity type: Individual)
- **Enumerated:** July 17, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F340317-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 742 DONNINGTON CT, Simi Valley, CA 93065-7015
- **Phone:** (303) 523-7069
## 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:** Advanced Dermatology Of Colorado, PC (NPI 1710370648, Fort Collins, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** July 5, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1639553753) · Data from the CMS NPPES public registry.