DR. DIANE PATRICIA SIEGEL PH.D.
NPI 1700978095
Psychologist - Clinical Child & Adolescent in Los Alamitos, CA

Q: What is Diane Siegel's NPI number?

The NPI number for Diane Siegel is 1700978095. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Q: What is Diane Siegel's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Q: Is Diane Siegel enrolled in Medicare?

No. Diane Siegel has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Q: When was this NPI record last updated?

The NPPES record for Diane Siegel was last updated on January 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 September 28, 2006Opted out of Medicare · through Jan 1, 2028

10951 CHERRY ST, SUITE 201, LOS ALAMITOS, CA 90720(562) 799-8553 Get Directions Write a Review

NPPES record last updated: January 24, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Diane Patricia Siegel Ph.d. NPPES

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

DR. DIANE PATRICIA SIEGEL PH.D. (NPI 1700978095) is an individual clinical child & adolescent provider in Los Alamitos, California, licensed in California (PSY16202) and active in the NPI registry since September 2006. She has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1700978095

Entity TypeIndividualFemale

Primary Taxonomy103TC2200X

Provider Legal NameDR. DIANE PATRICIA SIEGELCredential: PH.D.

Location Address10951 CHERRY ST, SUITE 201Los Alamitos, CA 90720-2401

Mailing Address10951 Cherry St, Suite 201Los Alamitos, CA 90720-2401 · (562) 799-8553

Phone(562) 799-8553

Sole ProprietorYes

Enumeration DateSeptember 28, 2006

Last NPPES UpdateJanuary 24, 2012

✔ NPI 1700978095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers

Taxonomy Code103TC2200X

License✔ Licensed in CA · PSY16202

Definition

A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.

10951 CHERRY ST, Los Alamitos, CA 90720

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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. Diane Patricia Siegel 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 January 1, 2018 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2018

Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Other Providers at the Same Location NPPES 3

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

ALAMITOS EYE CARE, AN OPTOMETRIC CORPORATION

Optometrist (Low Vision Rehabilitation)

10951 CHERRY ST, STE 101
LOS ALAMITOS, CA 90720

Orange County (562) 430-6161

DR. GARY W ASANO OD

Optometrist

10951 CHERRY ST, STE 101
LOS ALAMITOS, CA 90720

Orange County (562) 430-6161

REBECCA KAMMER LLC

Optometrist (Low Vision Rehabilitation)

10951 CHERRY ST
LOS ALAMITOS, CA 90720

Orange County (888) 322-5743

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 Diane Siegel's NPI number?

The NPI number for Diane Siegel is 1700978095. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Diane Siegel located?

Diane Siegel practices at 10951 Cherry St Suite 201, Los Alamitos, CA 90720. The listed phone number is (562) 799-8553.

What is Diane Siegel's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Diane Siegel enrolled in Medicare?

No. Diane Siegel has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Diane Siegel was last updated on January 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.