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DR. JOY STEPHENSON KOLKER PHD
NPI 1508162686
Psychologist - Clinical in Santa Rosa, CA

Active since February 07, 2011PECOS EnrolledAccepts Medicare Assignment
818 CHERRY ST, SANTA ROSA, CA 95404(707) 257-7900 Get Directions Write a Review

NPPES record last updated: December 9, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Joy Stephenson Kolker Phd NPPES

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

DR. JOY STEPHENSON KOLKER PHD (NPI 1508162686) is an individual clinical provider in Santa Rosa, California, licensed in California (23656) and active in the NPI registry since February 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1508162686
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JOY STEPHENSON KOLKERCredential: PHD
Location Address818 CHERRY STSanta Rosa, CA 95404-4207
Mailing AddressPo Box 4071Napa, CA 94558-0407 · (707) 257-7900
Phone(707) 257-7900
Sole ProprietorYes
Medical School CMSOtherGraduated 2008
Enumeration DateFebruary 7, 2011
Last NPPES UpdateDecember 9, 2015
✔ NPI 1508162686 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 · 23656
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.
818 CHERRY ST, Santa Rosa, CA 95404
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Other Names 1

Other Name (5)Denise J S Kolker

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joy Stephenson Kolker 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 ID2567625833
PECOS Enrollment IDI20120523000747
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 95404 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
$187.01 typical visit price
range $63.04 – $187.01
Typical copayment $46.75 (range $15.76 – $46.75)
Most-billed visit code 99205
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
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 5

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

MS. JESSICA PETERS MALMBERG LMFT
Marriage & Family Therapist
818 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 544-3299
MS. DINAH BACHRACH M.F.T.
Marriage & Family Therapist
818 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 544-7959
ERIN CLINTON
Marriage & Family Therapist
818 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 889-0257
LISA GRACE
Marriage & Family Therapist
818 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (707) 217-3298
CYNTHIA EISHO MORROW LMFT
Marriage & Family Therapist
818 CHERRY ST
SANTA ROSA, CA 95404
Sonoma County (415) 221-6373

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 Joy Kolker's NPI number?

The NPI number for Joy Kolker is 1508162686. It was assigned to this individual provider in the NPPES registry on February 7, 2011. The provider is also known as Denise J S Kolker.

Where is Joy Kolker located?

Joy Kolker practices at 818 Cherry St, Santa Rosa, CA 95404. The listed phone number is (707) 257-7900.

What is Joy Kolker's specialty?

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

Is Joy Kolker enrolled in Medicare?

Yes. Joy Kolker 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.

When was this NPI record last updated?

The NPPES record for Joy Kolker was last updated on December 9, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.