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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. DIANE MARIE DUMAS
NPI 1013036599
Psychologist - Clinical in Escondido, CA

Active since March 28, 2007PECOS Enrolled
1025 W 2ND AVE, ESCONDIDO, CA 92025(619) 722-0014(619) 327-4174 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Diane Marie Dumas NPPES

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

DR. DIANE MARIE DUMAS (NPI 1013036599) is an individual clinical provider in Escondido, California, licensed in California (PSY20847) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Poway.

NPPES Registry Identity

NPI1013036599
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. DIANE MARIE DUMAS
Location Address1025 W 2ND AVEEscondido, CA 92025-3839
Mailing Address750 B St Ste 2870San Diego, CA 92101-8132 · (619) 722-0014 · Fax (619) 327-4174
Phone(619) 722-0014
Fax(619) 327-4174
Sole ProprietorNo
Enumeration DateMarch 28, 2007
Last NPPES UpdateJuly 6, 2026
NPPES CertifiedJuly 6, 2026
✔ NPI 1013036599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · PSY20847
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 ListedPsychologistTaxonomy 103T00000X · License PSY20847 (CA)
1025 W 2ND AVE, Escondido, CA 92025
Open in Google Maps ↗

Secondary Practice Location 1

Location 115615 Pomerado RdPoway, CA 92064-2405 · Phone (619) 722-0014 · Fax (619) 327-4174

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Diane Marie Dumas is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92025 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 3

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

CALIFORNIA EMERGENCY PHYSICIANS MEDICAL GROUP, A PROFESSIONAL CORPORAT
Internal Medicine
1025 W 2ND AVE
ESCONDIDO, CA 92025
San Diego County (760) 745-1842
ANDYSHEH KAMGAR-PARSI
Physical Medicine & Rehabilitation
1025 W 2ND AVE
ESCONDIDO, CA 92025
San Diego County (872) 231-3162
KELLOGG BEACH HOLDINGS LLC
Skilled Nursing Facility
1025 W 2ND AVE
ESCONDIDO, CA 92025
San Diego County (760) 745-1842

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 Diane Dumas's NPI number?

The NPI number for Diane Dumas is 1013036599. It was assigned to this individual provider in the NPPES registry on March 28, 2007.

Where is Diane Dumas located?

Diane Dumas practices at 1025 W 2nd Ave, Escondido, CA 92025. The listed phone number is (619) 722-0014.

What is Diane Dumas's specialty?

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

Is Diane Dumas enrolled in Medicare?

Yes. Diane Dumas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diane Dumas was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.