DR. JAN LESLIE BOWMAN PH.D.
NPI 1730368754
Psychologist in Oakland, CA

Active since October 26, 2007Opted out of Medicare · through May 10, 2028
19 GLENEDEN AVE, OAKLAND, CA 94611(510) 594-9569(415) 771-4395 Get Directions Write a Review

NPPES record last updated: October 26, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Jan Leslie Bowman Ph.d. NPPES

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

DR. JAN LESLIE BOWMAN PH.D. (NPI 1730368754) is an individual psychologist in Oakland, California, licensed in California (PSY12631) and active in the NPI registry since October 2007. She has opted out of Medicare through May 10, 2028.

NPPES Registry Identity

NPI1730368754
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameDR. JAN LESLIE BOWMANCredential: PH.D.
Location Address19 GLENEDEN AVEOakland, CA 94611-4316
Mailing Address19 Gleneden AveOakland, CA 94611-4316 · (510) 594-9569 · Fax (415) 771-4395
Fax(415) 771-4395
Sole ProprietorYes
Enumeration DateOctober 26, 2007
NPI 1730368754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in CA · PSY12631
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License PSY12631 (CA)
19 GLENEDEN AVE, Oakland, CA 94611

Other Names 1

Former Name (1)Dr. Jan Leslie Grayson Ph.d.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Opted out of Medicare

Dr. Jan Leslie Bowman Ph.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 10, 2024 through May 10, 2028.

Opt-Out Effective DateMay 10, 2024
Opt-Out In Effect ThroughMay 10, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES

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

Psychologist (Clinical)
19 GLENEDEN AVE
OAKLAND, CA 94611

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 Jan Bowman's NPI number?

The NPI number for Jan Bowman is 1730368754. It was assigned to this individual provider in the NPPES registry on October 26, 2007. The provider is also known as Dr. Jan Leslie Grayson Ph.D..

Where is Jan Bowman located?

Jan Bowman practices at 19 Gleneden Ave, Oakland, CA 94611. The listed phone number is (510) 594-9569.

What is Jan Bowman's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Jan Bowman enrolled in Medicare?

No. Jan Bowman has opted out of Medicare through May 10, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Jan Bowman was last updated on October 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.