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KAREN P. BRANDEIS F.N.P.
NPI 1336426840
Nurse Practitioner - Family in Santa Ana, CA

Active since November 11, 2011PECOS EnrolledAccepts Medicare Assignment
800 N MAIN ST, SANTA ANA, CA 92701(657) 282-6355 Get Directions Write a Review

NPPES record last updated: January 17, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karen P. Brandeis F.n.p. NPPES

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

KAREN P. BRANDEIS F.N.P. (NPI 1336426840) is an individual family provider in Santa Ana, California, licensed in California (21594) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Santa Ana, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1336426840
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKAREN P. BRANDEISCredential: F.N.P.
Location Address800 N MAIN STSanta Ana, CA 92701-3576
Mailing Address200 S Manchester AveOrange, CA 92868-3217 · (714) 456-2986
Phone(657) 282-6355
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateNovember 11, 2011
Last NPPES UpdateJanuary 17, 2024
NPPES CertifiedJanuary 17, 2024
✔ NPI 1336426840 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 21594
Also ListedRegistered Nurse · General PracticeTaxonomy 163WG0000X · License 518580 (CA)
800 N MAIN ST, Santa Ana, CA 92701
Open in Google Maps ↗

Secondary Practice Location 1

Location 11629 W 17th St Ste ASanta Ana, CA 92706-3335 · Phone (714) 972-2111 · Fax (714) 972-2045

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

Karen P. Brandeis F.n.p. 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 ID2668706391
PECOS Enrollment IDI20190628001217
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 Brandeis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California Irvine
Same address
Federally Qualified Health Center (FQHC)
800 N MAIN ST
Santa Ana, CA 92701
  • Reassigned Medicare billing, California enrollment
  • 255 clinicians in this Medicare group
NPI 1851325906 (714) 456-6785
Regents Of The University Of
2.8 mi
Family Medicine
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 114 clinicians in this Medicare group
NPI 1366590762 (714) 456-8068

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 92701 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

REGENTS OF THE UNIVERSITY OF CALIFORNIA
Family Medicine
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (714) 456-8068
EMILY GARCIA
Family Medicine
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (657) 282-6355
UNIVERSITY OF CALIFORNIA IRVINE
Pharmacy (Clinic Pharmacy)
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (714) 456-6785
KAREN BUI MD
Student in an Organized Health Care Education/Training Program
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (657) 282-6355
QUANG ANH LA PHAM
Student in an Organized Health Care Education/Training Program
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (714) 480-2440
SUZANNE NGUYEN MD
Family Medicine
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (714) 456-7002
DR. LYNETTE BUI ANDERSON DO
Family Medicine
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (657) 282-6355
DR. HEMESH MAHESH PATEL D.O.
Family Medicine
800 N MAIN ST
SANTA ANA, CA 92701
Orange County (714) 456-7002

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 Brandeis's NPI number?

The NPI number for Karen Brandeis is 1336426840. It was assigned to this individual provider in the NPPES registry on November 11, 2011.

Where is Karen Brandeis located?

Karen Brandeis practices at 800 N Main St, Santa Ana, CA 92701. The listed phone number is (657) 282-6355.

What is Karen Brandeis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karen Brandeis enrolled in Medicare?

Yes. Karen Brandeis 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 Brandeis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Brandeis reassigns Medicare benefits to 2 organizations: University Of California Irvine (Santa Ana, CA) and Regents Of The University Of (Orange, 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 Brandeis'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 Karen Brandeis was last updated on January 17, 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.