DR. DAVID LEE ANTION PH.D.
NPI 1548312150
Psychologist - Counseling in Pasadena, CA

Active since January 17, 2007
745 S MARENGO AVE, STE 102, PASADENA, CA 91106(562) 803-6545(626) 792-8028 Get Directions Write a Review

NPPES record last updated: November 9, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. David Lee Antion Ph.d. NPPES

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

DR. DAVID LEE ANTION PH.D. (NPI 1548312150) is an individual counseling provider in Pasadena, California, licensed in California (PSY 9037) and active in the NPI registry since January 2007. He is a graduate of University Of Southern California Keck School Of Medicine (1982).

NPPES Registry Identity

NPI1548312150
Entity TypeIndividualMale
Primary Taxonomy103TC1900X
Provider Legal NameDR. DAVID LEE ANTIONCredential: PH.D.
Location Address745 S MARENGO AVE, STE 102Pasadena, CA 91106-4737
Mailing Address745 S Marengo Ave, Ste 102Pasadena, CA 91106-4737 · (562) 803-6545 · Fax (626) 792-8028
Fax(626) 792-8028
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1982
Enumeration DateJanuary 17, 2007
Last NPPES UpdateNovember 9, 2016
✔ NPI 1548312150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · CounselingBehavioral Health & Social Service Providers
Taxonomy Code103TC1900X
License✔ Licensed in CA · PSY 9037
Definition
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.
745 S MARENGO AVE, Pasadena, CA 91106

Other Identifiers 1

Medicare ID-Type UnspecifiedCP 9037CA · Medicare Provider Number

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David Lee Antion Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153454558
PECOS Enrollment IDI20100805000743

Medicare Billing Reassignment

Medicare enrollment records show David Antion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical
745 S MARENGO AVE, 102
Pasadena, CA 91106
  • Reassigned Medicare billing, California enrollment

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 12

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

Psychologist (Clinical)
745 S MARENGO AVE, SUITE 105
PASADENA, CA 91106
Counselor (Mental Health)
745 S MARENGO AVE
PASADENA, CA 91106
Social Worker (Clinical)
745 S MARENGO AVE, SUITE 100
PASADENA, CA 91106
Psychologist
745 S MARENGO AVE
PASADENA, CA 91106
Psychologist
745 S MARENGO AVE
PASADENA, CA 91106
Psychologist
745 S MARENGO AVE, SUITE 203
PASADENA, CA 91106
Psychologist (Clinical)
745 S MARENGO AVE, 102
PASADENA, CA 91106
Psychologist (Clinical)
745 S MARENGO AVE, SUITE 105
PASADENA, CA 91106

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 David Antion's NPI number?

The NPI number for David Antion is 1548312150. It was assigned to this individual provider in the NPPES registry on January 17, 2007.

Where is David Antion located?

David Antion practices at 745 S Marengo Ave Ste 102, Pasadena, CA 91106. The listed phone number is (562) 803-6545.

What is David Antion's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.

Is David Antion enrolled in Medicare?

Yes. David Antion is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Antion's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Antion reassigns Medicare benefits to David L. Antion, Ph.D., A Professional Corporation (Pasadena, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Antion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Antion was last updated on November 9, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.