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DAVID J DIAMOND PHD
NPI 1720192164
Psychologist - Clinical in San Diego, CA

Active since August 19, 2006Opted out of Medicare · through May 27, 2028
11777 BERNARDO PLAZA CT STE 108, SAN DIEGO, CA 92128(858) 673-2131(858) 451-3938 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About David J Diamond Phd NPPES

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

DAVID J DIAMOND PHD (NPI 1720192164) is an individual clinical provider in San Diego, California, licensed in California (PSY10871) and active in the NPI registry since August 2006. He has opted out of Medicare through May 27, 2028 and is a graduate of Other (1983).

NPPES Registry Identity

NPI1720192164
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDAVID J DIAMONDCredential: PHD
Location Address11777 BERNARDO PLAZA CT STE 108San Diego, CA 92128-2450
Mailing Address11777 Bernardo Plaza Ct Ste 108San Diego, CA 92128-2450 · (858) 673-2131 · Fax (858) 451-3938
Phone(858) 673-2131
Fax(858) 451-3938
Sole ProprietorYes
Medical School CMSOtherGraduated 1983
Enumeration DateAugust 19, 2006
Last NPPES UpdateJuly 9, 2007
✔ NPI 1720192164 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 · PSY10871
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.
11777 BERNARDO PLAZA CT STE 108, San Diego, CA 92128
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Other Identifiers 3

Medicare UPINR14955CA
OtherPSY 10871CA · Phd
Medicare ID-Type UnspecifiedCP10871ACA · Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

David J Diamond Phd 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 May 27, 2026 through May 27, 2028.

Opt-Out Effective DateMay 27, 2026
Opt-Out In Effect ThroughMay 27, 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92128 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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

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

MARTHA DIAMOND PHD
Psychologist (Clinical)
11777 BERNARDO PLAZA CT STE 108
SAN DIEGO, CA 92128
San Diego County (858) 673-2131

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 Diamond's NPI number?

The NPI number for David Diamond is 1720192164. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Where is David Diamond located?

David Diamond practices at 11777 Bernardo Plaza Ct Ste 108, San Diego, CA 92128. The listed phone number is (858) 673-2131.

What is David Diamond's specialty?

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

Is David Diamond enrolled in Medicare?

No. David Diamond has opted out of Medicare through May 27, 2028. 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 David Diamond was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.