1. Home
  2. Directory
  3. California
  4. Santa Clarita
  5. Psychologist
  6. NPI Profile

DR. GREGORY EDMUND HAMLIN
NPI 1609113042
Psychologist - Clinical in Santa Clarita, CA

Active since January 04, 2013Opted out of Medicare · through Dec 3, 2027
25050 AVENUE KEARNY, SUITE 201, SANTA CLARITA, CA 91355(661) 297-2326(661) 310-0075 Get Directions Write a Review

NPPES record last updated: January 4, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Gregory Edmund Hamlin NPPES

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

DR. GREGORY EDMUND HAMLIN (NPI 1609113042) is an individual clinical provider in Santa Clarita, California, licensed in California (PSY16871) and active in the NPI registry since January 2013. He has opted out of Medicare through December 3, 2027.

NPPES Registry Identity

NPI1609113042
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. GREGORY EDMUND HAMLIN
Location Address25050 AVENUE KEARNY, SUITE 201Santa Clarita, CA 91355-1255
Mailing Address25050 Avenue Kearny, Suite 201Santa Clarita, CA 91355-1255 · (661) 297-2326 · Fax (661) 310-0075
Phone(661) 297-2326
Fax(661) 310-0075
Sole ProprietorYes
Enumeration DateJanuary 4, 2013
✔ NPI 1609113042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY16871
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.
Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License PSY16871 (CA)
Also ListedPsychologist · Clinical Child & AdolescentTaxonomy 103TC2200X · License PSY16871 (CA)
Also ListedPsychologist · FamilyTaxonomy 103TF0000X · License PSY16871 (CA)
25050 AVENUE KEARNY, Santa Clarita, CA 91355
Open in Google Maps ↗

Other Names 1

Professional Name (2)Gregory E Hamlin Phd

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. Gregory Edmund Hamlin 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 December 3, 2019 through December 3, 2027.

Opt-Out Effective DateDecember 3, 2019
Opt-Out In Effect ThroughDecember 3, 2027Opt-out affidavits renew automatically every two years unless cancelled

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. JULIANNE CHRISTINSON CARLSON MFT
Marriage & Family Therapist
25050 AVENUE KEARNY, SUITE #201
SANTA CLARITA, CA 91355
Los Angeles County (818) 970-5531
NICOLE PENICK
Psychologist
25050 AVENUE KEARNY
VALENCIA, CA 91355
Los Angeles County (818) 495-8718
MRS. JO ANN SHARON FIELDS MFT
Marriage & Family Therapist
25050 AVENUE KEARNY, SUITE 101
SANTA CLARITA, CA 91355
Los Angeles County (818) 884-7354
DR. MANJIT WALIA PSY.D.
Psychologist (Clinical)
25050 AVENUE KEARNY, SUITE 114
VALENCIA, CA 91355
Los Angeles County (661) 204-9950
MISS TRACY GORDON LCSW
Social Worker (Clinical)
25050 AVENUE KEARNY, SUITE 201
VALENCIA, CA 91355
Los Angeles County (661) 857-5935

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 Gregory Hamlin's NPI number?

The NPI number for Gregory Hamlin is 1609113042. It was assigned to this individual provider in the NPPES registry on January 4, 2013. The provider is also known as Gregory E Hamlin Phd.

Where is Gregory Hamlin located?

Gregory Hamlin practices at 25050 Avenue Kearny Suite 201, Santa Clarita, CA 91355. The listed phone number is (661) 297-2326.

What is Gregory Hamlin's specialty?

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

Is Gregory Hamlin enrolled in Medicare?

No. Gregory Hamlin has opted out of Medicare through December 3, 2027. 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 Gregory Hamlin was last updated on January 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.