DR. KAREN M STEWART PSY. D
NPI 1952542136
Psychologist - Clinical in Santa Monica, CA

Q: What is Karen Stewart's NPI number?

The NPI number for Karen Stewart is 1952542136. It was assigned to this individual provider in the NPPES registry on March 17, 2009.

Q: What is Karen Stewart's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Karen Stewart was last updated on March 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 17, 2009PECOS EnrolledAccepts Medicare Assignment

3201 WILSHIRE BLVD, STE 320, SANTA MONICA, CA 90403(310) 477-6000(310) 477-0327 Get Directions Write a Review

NPPES record last updated: March 11, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Karen M Stewart Psy. D NPPES

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

DR. KAREN M STEWART PSY. D (NPI 1952542136) is an individual clinical provider in Santa Monica, California, licensed in California (PSY22580) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1952542136

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. KAREN M STEWARTCredential: PSY. D

Location Address3201 WILSHIRE BLVD, STE 320Santa Monica, CA 90403-2335

Mailing Address1321 9th StSanta Monica, CA 90401-1803 · (310) 477-6000 · Fax (310) 477-0327

Phone(310) 477-6000

Fax(310) 477-0327

Sole ProprietorYes

Medical School CMSOtherGraduated 2004

Enumeration DateMarch 17, 2009

Last NPPES UpdateMarch 11, 2020

NPPES CertifiedMarch 11, 2020

✔ NPI 1952542136 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 · PSY22580

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.

3201 WILSHIRE BLVD, Santa Monica, CA 90403

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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 M Stewart Psy. D 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 ID3971772104

PECOS Enrollment IDI20110804000557

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 Reassignment

Medicare enrollment records show Karen Stewart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stewart Psychological Wellness Group, Inc

Same address

Clinical

3201 WILSHIRE BLVD STE 320
Santa Monica, CA 90403

Reassigned Medicare billing, California enrollment

NPI 1750004461 (310) 570-5342

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 2

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.

Psychotherapy, 1 hour 90837

Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.

894 services24 patients

Psychiatric diagnostic evaluation 90791

A psychiatric diagnostic evaluation is a thorough assessment used to identify any mental health conditions you may have. It involves a detailed discussion about your symptoms, thoughts, feelings and behavior patterns. Your medical history and family's mental health history are also considered.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90403 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

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.

MR. MICHAEL KAUFMAN LMFT

Marriage & Family Therapist

3201 WILSHIRE BLVD, SUITE 209
SANTA MONICA, CA 90403

Los Angeles County (310) 285-3743

THE SATURDAY CENTER FOR PSYCHOTHERAPY AND TRAINING

Psychologist

3201 WILSHIRE BLVD, SUITE 201
SANTA MONICA, CA 90403

Los Angeles County (310) 829-7997

MELANIE ANN RICHARDSON DDS

Dentist

3201 WILSHIRE BLVD, #110
SANTA MONICA, CA 90403

Los Angeles County (877) 227-9892

SALM ROBERT MORADI M.D.

Psychiatry & Neurology (Psychiatry)

3201 WILSHIRE BLVD, SUITE# 209
SANTA MONICA, CA 90403

Los Angeles County (310) 829-1404

CARL DEVLIN UTSINGER MD

Psychiatry & Neurology (Psychiatry)

3201 WILSHIRE BLVD, STE 305
SANTA MONICA, CA 90403

Los Angeles County (310) 453-2426

MS. JESSICA LEHMAN PSY.D, LCSW

Social Worker (Clinical)

3201 WILSHIRE BLVD, SUITE 202
SANTA MONICA, CA 90403

Los Angeles County (310) 449-6996

MONICA FARASSAT, MARRIAGE AND FAMILY THERAPY, INCORPORATED

Marriage & Family Therapist

3201 WILSHIRE BLVD, SUITE 201
SANTA MONICA, CA 90403

Los Angeles County (310) 453-7010

DR. DANA HAGOOLI PSY.D.

Student in an Organized Health Care Education/Training Program

3201 WILSHIRE BLVD, SUITE 201
SANTA MONICA, CA 90403

Los Angeles County (310) 985-9945

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 Stewart's NPI number?

The NPI number for Karen Stewart is 1952542136. It was assigned to this individual provider in the NPPES registry on March 17, 2009.

Where is Karen Stewart located?

Karen Stewart practices at 3201 Wilshire Blvd Ste 320, Santa Monica, CA 90403. The listed phone number is (310) 477-6000.

What is Karen Stewart's specialty?

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

Is Karen Stewart enrolled in Medicare?

Yes. Karen Stewart 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 Karen Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Stewart reassigns Medicare benefits to Stewart Psychological Wellness Group, Inc (Santa Monica, CA). 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 Karen Stewart'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 Stewart was last updated on March 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.