SOMMER LYNN PHILLIPS NP
NPI 1336698141
Nurse Practitioner - Critical Care Medicine in Whittier, CA
About Sommer Lynn Phillips Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOMMER LYNN PHILLIPS NP (NPI 1336698141) is an individual critical care medicine provider in Whittier, California, licensed in California (NP95004964) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Sommer Lynn Phillips Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Sommer Phillips reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Whittier, CA 90606
- Reassigned Medicare billing, California enrollment
- 840 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 90602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WHITTIER, CA 90602
WHITTIER, CA 90602
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 Sommer Phillips's NPI number?
The NPI number for Sommer Phillips is 1336698141. It was assigned to this individual provider in the NPPES registry on September 22, 2016.
Where is Sommer Phillips located?
Sommer Phillips practices at 12401 Washington Blvd, Whittier, CA 90602. The listed phone number is (562) 698-0811.
What is Sommer Phillips's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Sommer Phillips enrolled in Medicare?
Yes. Sommer Phillips is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Sommer Phillips's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sommer Phillips reassigns Medicare benefits to 6 organizations: Pih Health Physicians (Whittier, CA), Faculty Physicians And Surgeons Of Llusm (Glendale, CA), Permanente Medical Group Inc (Santa Clara, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and 1 more organization, listed in the Medicare section above. 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 Sommer Phillips'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 Sommer Phillips was last updated on February 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Sommer Lynn Phillips, NP · NPI 1336698141
Critical Care Medicine physician in Whittier, California. Individual provider, active in the CMS NPPES registry since September 22, 2016.
## Identity
- **NPI:** 1336698141 (Entity type: Individual)
- **Enumerated:** September 22, 2016
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** NP95004964 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 12401 WASHINGTON BLVD, Whittier, CA 90602-1006
- **Phone:** (562) 698-0811
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Pih Health Physicians (NPI 1376793695, Whittier, CA); Faculty Physicians And Surgeons Of Llusm (NPI 1508255175, Glendale, CA); Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 12, 2021
- **Other identifiers:** Other 95004964 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1336698141) · Data from the CMS NPPES public registry.