DR. JUSTINE BYK PSY.D.
NPI 1073997292
Psychologist - Clinical in San Francisco, CA

Q: What is Justine Byk's NPI number?

The NPI number for Justine Byk is 1073997292. It was assigned to this individual provider in the NPPES registry on July 17, 2015.

Q: What is Justine Byk'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 Justine Byk was last updated on July 17, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 17, 2015

1738 UNION ST, SUITE 200, SAN FRANCISCO, CA 94123(303) 506-2501 Get Directions Write a Review

NPPES record last updated: July 17, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Justine Byk Psy.d. NPPES

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

DR. JUSTINE BYK PSY.D. (NPI 1073997292) is an individual clinical provider in San Francisco, California, licensed in California (PSY27255) and active in the NPI registry since July 2015.

NPPES Registry Identity

NPI1073997292

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameDR. JUSTINE BYKCredential: PSY.D.

Location Address1738 UNION ST, SUITE 200San Francisco, CA 94123-4441

Mailing Address1738 Union St, Suite 200San Francisco, CA 94123-4441 · (303) 506-2501

Phone(303) 506-2501

Sole ProprietorYes

Enumeration DateJuly 17, 2015

✔ NPI 1073997292 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 · PSY27255

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.

1738 UNION ST, San Francisco, CA 94123

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Other Providers at the Same Location NPPES 17

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

DR. MARIA TIA HOLDEN PSYD

Psychologist

1738 UNION ST
SAN FRANCISCO, CA 94123

San Francisco County (415) 215-2847

DR. LYNN BYK PH.D.

Psychologist (Clinical)

1738 UNION ST, SUITE 200
SAN FRANCISCO, CA 94123

San Francisco County (415) 931-3079

DR. DOMINIQUE SAMUELS PSYD

Psychologist (Clinical)

1738 UNION ST
SAN FRANCISCO, CA 94123

San Francisco County (415) 218-5454

DR. NAVNEET KAUR GILL PSY.D.

Clinical Neuropsychologist

1738 UNION ST, SUITE 202
SAN FRANCISCO, CA 94123

San Francisco County (415) 728-9505

DR. JOAN DEMARTINI WARREN PSY.D.

Psychologist (Clinical)

1738 UNION ST
SAN FRANCISCO, CA 94123

San Francisco County (415) 441-1678

MARCIA SARA NADEL MFT

Marriage & Family Therapist

1738 UNION ST, SUITE 300
SAN FRANCISCO, CA 94123

San Francisco County (415) 509-6612

SUSAN WOOLLEY LEVINE PHD

Clinical Neuropsychologist

1738 UNION ST, SUITE 202
SAN FRANCISCO, CA 94123

San Francisco County (415) 820-3925

DR. KIRK JACK SCHNEIDER PHD

Psychologist (Clinical)

1738 UNION ST
SAN FRANCISCO, CA 94123

San Francisco County (415) 567-5021

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 Justine Byk's NPI number?

The NPI number for Justine Byk is 1073997292. It was assigned to this individual provider in the NPPES registry on July 17, 2015.

Where is Justine Byk located?

Justine Byk practices at 1738 Union St Suite 200, San Francisco, CA 94123. The listed phone number is (303) 506-2501.

What is Justine Byk's specialty?

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

What insurance does Justine Byk accept?

Health plans from Providence Health Plan list Justine Byk 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 Justine Byk was last updated on July 17, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.