PERRYN BAKER
NPI 1982276937
Nurse Anesthetist, Certified Registered in Walnut Creek, CA
About Perryn Baker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PERRYN BAKER (NPI 1982276937) is an individual nurse anesthetist, certified registered in Walnut Creek, California, licensed in California (95002315) and active in the NPI registry since July 2021.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Perryn Baker is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Perryn Baker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rancho Cucamonga, CA 91730
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
Fontana, CA 92336
- Reassigned Medicare billing, California enrollment
- 55 clinicians in this Medicare group
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- 24 clinicians in this Medicare group
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 242 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
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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Perryn Baker's NPI number?
The NPI number for Perryn Baker is 1982276937. It was assigned to this individual provider in the NPPES registry on July 10, 2021.
Where is Perryn Baker located?
Perryn Baker practices at 140 Flora Ave Apt 223, Walnut Creek, CA 94595. The listed phone number is (909) 801-1777.
What is Perryn Baker's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Perryn Baker enrolled in Medicare?
Yes. Perryn Baker is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Perryn Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Perryn Baker reassigns Medicare benefits to 4 organizations: Lgibson Anesthesia Inc (Rancho Cucamonga, CA), Jp Anesthesia Inc (Fontana, CA), Horieh Anesthesia Services (Irvine, CA) and Genesis Healthcare Partners PC (Encinitas, CA). Each 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 Perryn Baker'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 Perryn Baker was last updated on March 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.