Dr Diane Marie Dumas, - Medicare Psychologist in Escondido, CA

Dr Diane Marie Dumas, is a medicare enrolled "Psychologist - Clinical" provider in Escondido, California. She graduated from medical school in 2002 and has 24 years of diverse experience with area of expertise as Clinical Psychologist. She is a member of the group practice Access Psychology Services Pc and her current practice location is 1025 W 2nd Ave, Escondido, California. You can reach out to her office (for appointments etc.) via phone at (619) 722-0014.

Dr Diane Marie Dumas is licensed to practice in California (license number PSY20847) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1013036599.

Contact Information

Dr Diane Marie Dumas,
1025 W 2nd Ave,
Escondido, CA 92025-3839
(619) 722-0014
(619) 327-4174

Map and Direction




Healthcare Provider's Profile

Full NameDr Diane Marie Dumas
GenderFemale
SpecialityClinical Psychologist
Experience24 Years
Location1025 W 2nd Ave, Escondido, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Diane Marie Dumas graduated from medical school in 2002
  NPI Data:
  • NPI Number: 1013036599
  • Provider Enumeration Date: 03/28/2007
  • Last Update Date: 07/06/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 2769533876
  • Enrollment ID: I20090701000398

Medical Identifiers

Medical identifiers for Dr Diane Marie Dumas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013036599NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical PSY20847 (California)Primary
103T00000XPsychologist PSY20847 (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Access Psychology Services Pc620415518719

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Diane Marie Dumas allows following entities to bill medicare on her behalf.
Entity NameAccess Psychology Services PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558752931
PECOS PAC ID: 6204155187
Enrollment ID: O20150427000807

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Diane Marie Dumas is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Diane Marie Dumas,
750 B St Ste 2870,
San Diego, CA 92101-8132

Ph: (619) 722-0014
Dr Diane Marie Dumas,
1025 W 2nd Ave,
Escondido, CA 92025-3839

Ph: (619) 722-0014

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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