DR. DENNIS GREENBERGER PH.D.
NPI 1861539009
Psychologist - Clinical in Newport Beach, CA

Active since January 30, 2007Opted out of Medicare · through Jan 1, 2027
1500 QUAIL ST, SUITE # 260, NEWPORT BEACH, CA 92660(949) 222-2848(949) 863-1148 Get Directions Write a Review

NPPES record last updated: March 9, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Dennis Greenberger Ph.d. NPPES

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

DR. DENNIS GREENBERGER PH.D. (NPI 1861539009) is an individual clinical provider in Newport Beach, California, licensed in California (PSY8533) and active in the NPI registry since January 2007. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1861539009
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. DENNIS GREENBERGERCredential: PH.D.
Location Address1500 QUAIL ST, SUITE # 260Newport Beach, CA 92660-2732
Mailing Address1500 Quail St, Suite # 260Newport Beach, CA 92660-2732 · (949) 222-2848 · Fax (949) 863-1148
Fax(949) 863-1148
Sole ProprietorNo
Enumeration DateJanuary 30, 2007
Last NPPES UpdateMarch 9, 2010
NPI 1861539009 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in CA · PSY8533
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.
1500 QUAIL ST, Newport Beach, CA 92660

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. Dennis Greenberger 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, 2017 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2017
Opt-Out In Effect ThroughJanuary 1, 2027Opt-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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92660 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

Psychologist (Cognitive & Behavioral)
1500 QUAIL ST, SUITE 260
NEWPORT BEACH, CA 92660
Marriage & Family Therapist
1500 QUAIL ST, SUITE 260
NEWPORT BEACH, CA 92660

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 Dennis Greenberger's NPI number?

The NPI number for Dennis Greenberger is 1861539009. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Where is Dennis Greenberger located?

Dennis Greenberger practices at 1500 Quail St Suite # 260, Newport Beach, CA 92660. The listed phone number is (949) 222-2848.

What is Dennis Greenberger's specialty?

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

Is Dennis Greenberger enrolled in Medicare?

No. Dennis Greenberger has opted out of Medicare through January 1, 2027. 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 Dennis Greenberger was last updated on March 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.