KAREN P WILLIAMS PH.D.
NPI 1619004173
Psychologist - Clinical in Rancho Cucamonga, CA

Q: What is Karen Williams's NPI number?

The NPI number for Karen Williams is 1619004173. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Q: What is Karen Williams'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 Williams was last updated on April 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 February 28, 2007PECOS Enrolled

10737 LAUREL ST STE 230, RANCHO CUCAMONGA, CA 91730(909) 989-5556(909) 989-5558 Get Directions Write a Review

NPPES record last updated: April 26, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 5, 2021, Aug 16, 2016 (2 updates tracked since 2016).

On this page

About Karen P Williams Ph.d. NPPES

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

KAREN P WILLIAMS PH.D. (NPI 1619004173) is an individual clinical provider in Rancho Cucamonga, California, licensed in California (PSY12198) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619004173

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameKAREN P WILLIAMSCredential: PH.D.

Location Address10737 LAUREL ST STE 230Rancho Cucamonga, CA 91730-7659

Mailing Address10737 Laurel St Ste 230Rancho Cucamonga, CA 91730-7659 · (909) 989-5556 · Fax (909) 989-5558

Phone(909) 989-5556

Fax(909) 989-5558

Sole ProprietorNo

Enumeration DateFebruary 28, 2007

Last NPPES UpdateApril 26, 20232 updates tracked since enumeration

NPPES CertifiedApril 26, 2023

✔ NPI 1619004173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in CA · PSY12198

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.

Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License PSY12198 (CA)

10737 LAUREL ST STE 230, Rancho Cucamonga, CA 91730

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen P Williams Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91730 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

$179.42 typical visit price

range $59.60 – $179.42

Typical copayment $44.85 (range $14.90 – $44.85)

Most-billed visit code 99205

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR DENISE PERSICHINO DO INC

Clinic/Center

10737 LAUREL ST STE 230
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 435-0899

GLORIA SANCHEZ-PEREZ LMFT

Marriage & Family Therapist

10737 LAUREL ST STE 230
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 989-5556

TIMOTHY TIEN-MIN LEE MD

Psychiatry & Neurology (Psychiatry)

10737 LAUREL ST STE 230
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 989-5556

PHYLLIS PAIGE BUNCH

Marriage & Family Therapist

10737 LAUREL ST STE 230
RANCHO CUCAMONGA, CA 91730

San Bernardino County (909) 989-5556

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 Williams's NPI number?

The NPI number for Karen Williams is 1619004173. It was assigned to this individual provider in the NPPES registry on February 28, 2007.

Where is Karen Williams located?

Karen Williams practices at 10737 Laurel St Ste 230, Rancho Cucamonga, CA 91730. The listed phone number is (909) 989-5556.

What is Karen Williams's specialty?

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

Is Karen Williams enrolled in Medicare?

Yes. Karen Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Williams was last updated on April 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.