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DR. KAREN ELIZABETH PHILLIPS PHD
NPI 1164475844
Psychologist - Clinical in Napa, CA

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
2100 NAPA VALLEJO HIGHWAY, NAPA, CA 94558(707) 253-5000(707) 253-5513 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Karen Elizabeth Phillips Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KAREN ELIZABETH PHILLIPS PHD (NPI 1164475844) is an individual clinical provider in Napa, California, licensed in California (PSY11251) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1164475844
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. KAREN ELIZABETH PHILLIPSCredential: PHD
Location Address2100 NAPA VALLEJO HIGHWAYNapa, CA 94558-6293
Mailing Address1600 9th St, Room 205 Mailstop 2 3Sacramento, CA 95814-6414 · (916) 654-2431 · Fax (916) 654-3186
Phone(707) 253-5000
Fax(707) 253-5513
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateMay 17, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1164475844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY11251
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
2100 NAPA VALLEJO HIGHWAY, Napa, CA 94558
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Regence BlueCross BlueShield of Oregon.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

Dr. Karen Elizabeth Phillips Phd 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.

PECOS PAC ID4789592825
PECOS Enrollment IDI20050627000542
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Karen Phillips reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Department Of State Hospitals
0.9 mi
Psychiatric Hospital
2100 NAPA VALLEJO HWY
Napa, CA 94558
  • Reassigned Medicare billing, California enrollment
  • 755 clinicians in this Medicare group
NPI 1326098161 (707) 253-5000
Psych Strategies Inc A Psychological Corp
Psychologist
1160 N DUTTON AVE, SUITE 230
Santa Rosa, CA 95401
  • Reassigned Medicare billing, California enrollment
  • 33 clinicians in this Medicare group
NPI 1699775411 (707) 303-3201

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 94558 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$192.16 typical visit price
range $65.08 – $192.16
Typical copayment $48.04 (range $16.27 – $48.04)
Most-billed visit code 99205
Established Patient
$113.15 typical visit price
range $21.86 – $157.83
Typical copayment $28.28 (range $5.46 – $39.45)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. KENNETH ROBERT LAKRITZ PHD
Psychologist (Clinical)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000
HOWARD MATTHEW EISENSTARK MD
Psychiatry & Neurology (Psychiatry)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000
MARGARET LEFTWICH MILLER MD
Psychiatry & Neurology (Forensic Psychiatry)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000
CRISTIAN G MATEESCU MD
Psychiatry & Neurology (Psychiatry)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000
MS. MICHELE LEE MCCOLM PHD
Psychologist (Clinical)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000
AHMED M HAGGAG MD
Psychiatry & Neurology (Psychiatry)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000
AMARPREET SINGH
Psychiatry & Neurology (Psychiatry)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000
MICHAEL L VENARD PHD
Psychologist (Clinical)
2100 NAPA VALLEJO HIGHWAY
NAPA, CA 94558
Napa County (707) 253-5000

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 Karen Phillips's NPI number?

The NPI number for Karen Phillips is 1164475844. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Karen Phillips located?

Karen Phillips practices at 2100 Napa Vallejo Highway, Napa, CA 94558. The listed phone number is (707) 253-5000.

What is Karen Phillips's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Karen Phillips enrolled in Medicare?

Yes. Karen Phillips 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 organizations bill Medicare for Karen Phillips's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Phillips reassigns Medicare benefits to 2 organizations: Department Of State Hospitals (Napa, CA) and Psych Strategies Inc A Psychological Corp (Santa Rosa, 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 Karen Phillips's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Phillips accept?

Health plans from BridgeSpan Health Company and Regence BlueCross BlueShield of Oregon list Karen Phillips 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 Karen Phillips was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.