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DR. GAY L HARTELL PH.D.
NPI 1811103377
Psychologist - Prescribing (Medical) in Newport Beach, CA

Active since May 14, 2007Opted out of Medicare · through Jul 1, 2028
3900 W COAST HWY, SUITE 330, NEWPORT BEACH, CA 92663(949) 640-4050(949) 640-4050 Get Directions Write a Review

NPPES record last updated: October 29, 2010. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Dr. Gay L Hartell Ph.d. NPPES

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

DR. GAY L HARTELL PH.D. (NPI 1811103377) is an individual prescribing (medical) provider in Newport Beach, California, licensed in California (PSY11193) and active in the NPI registry since May 2007. She has opted out of Medicare through July 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1811103377
Entity TypeIndividualFemale
Primary Taxonomy103TP0016X
Provider Legal NameDR. GAY L HARTELLCredential: PH.D.
Location Address3900 W COAST HWY, SUITE 330Newport Beach, CA 92663-4093
Mailing Address3900 W Coast Hwy, Suite 330Newport Beach, CA 92663-4093 · (949) 640-4050 · Fax (949) 640-4050
Phone(949) 640-4050
Fax(949) 640-4050
Sole ProprietorYes
Enumeration DateMay 14, 2007
Last NPPES UpdateOctober 29, 2010
✔ NPI 1811103377 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · Prescribing (Medical)Behavioral Health & Social Service Providers
Taxonomy Code103TP0016X
License✔ Licensed in CA · PSY11193
Definition
A licensed, doctoral-level psychologist authorized to prescribe and has undergone specialized education and training in preparation for prescriptive practice and has passed an examination accepted by the state board of psychology relevant to establishing competence for prescribing, and has received from the state board of psychology a current certificate granting prescriptive authority, which has not been revoked or suspended.
Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License MP016330 (CA)
3900 W COAST HWY, Newport Beach, CA 92663
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Other Names 1

Former Name (1)Dr. Gay L Hartell-lloyd 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. Gay L Hartell 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 July 1, 2018 through July 1, 2028.

Opt-Out Effective DateJuly 1, 2018
Opt-Out In Effect ThroughJuly 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 11

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

HUMANISTIC SERVICES, INC.
Psychologist (Clinical)
3900 W COAST HWY, SUITE 330
NEWPORT BEACH, CA 92663
Orange County (949) 640-4050
PACIFIC NEUROPSYCHIATRY AND SLEEP
Substance Abuse Rehabilitation Facility (Substance Abuse Treatment, Children)
3900 W COAST HWY, SUITE 380
NEWPORT BEACH, CA 92663
Orange County (626) 797-9977
CHRISTOPHER DUMA M.D.
Neurological Surgery
3900 W COAST HWY, SUITE 300
NEWPORT BEACH, CA 92663
Orange County (949) 642-6787
DANIEL S. BANDARI M.D.
Psychiatry & Neurology (Neurology)
3900 W COAST HWY, SUITE 330
NEWPORT BEACH, CA 92663
Orange County (949) 706-5580
KRISTIN E SCORD P.A.
Physician Assistant
3900 W COAST HWY, SUITE 300
NEWPORT BEACH, CA 92663
Orange County (949) 642-6787
JOHN CARLISLE BROWN MD INC
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3900 W COAST HWY, SUITE 300
NEWPORT BEACH, CA 92663
Orange County (949) 645-9766
DR. CHRISTOPHER P O'CARROLL M.D.
Psychiatry & Neurology (Neurology)
3900 W COAST HWY, SUITE 330
NEWPORT BEACH, CA 92663
Orange County (949) 759-8001
WILLIAM DOBKIN M.D.
Neurological Surgery
3900 W COAST HWY, SUITE 300
NEWPORT BEACH, CA 92663
Orange County (949) 646-2998

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 Gay Hartell's NPI number?

The NPI number for Gay Hartell is 1811103377. It was assigned to this individual provider in the NPPES registry on May 14, 2007. The provider is also known as Dr. Gay L Hartell-Lloyd Ph.D..

Where is Gay Hartell located?

Gay Hartell practices at 3900 W Coast Hwy Suite 330, Newport Beach, CA 92663. The listed phone number is (949) 640-4050.

What is Gay Hartell's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Prescribing (Medical), with taxonomy code 103TP0016X.

Is Gay Hartell enrolled in Medicare?

No. Gay Hartell has opted out of Medicare through July 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 Gay Hartell was last updated on October 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.