Douglas E Dennis, MD - Medicare Internal Medicine in Fountain Valley, CA

Douglas E Dennis, MD is a medicare enrolled "Emergency Medicine" physician in Fountain Valley, California. He graduated from medical school in 1986 and has 38 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Cep America - California and his current practice location is 9920 Talbert Ave, Fountain Valley, California. You can reach out to his office (for appointments etc.) via phone at (714) 378-7535.

Douglas E Dennis is licensed to practice in California (license number A46533) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1639182280.

Contact Information

Douglas E Dennis, MD
9920 Talbert Ave,
Fountain Valley, CA 92708-5153
(714) 378-7535
Not Available

Map and Direction




Physician's Profile

Full NameDouglas E Dennis
GenderMale
SpecialityInternal Medicine
Experience38 Years
Location9920 Talbert Ave, Fountain Valley, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Douglas E Dennis graduated from medical school in 1986
  NPI Data:
  • NPI Number: 1639182280
  • Provider Enumeration Date: 08/14/2006
  • Last Update Date: 10/24/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 1355479619
  • Enrollment ID: I20100506000274

Medical Identifiers

Medical identifiers for Douglas E Dennis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639182280NPI-NPPES
00A465330MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A46533 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorialcare Orange Coast Medical CenterFountain valley, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America - California6103739131974

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. Douglas E Dennis allows following entities to bill medicare on his behalf.
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548667843
PECOS PAC ID: 6103739131
Enrollment ID: O20040121000458

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. Douglas E Dennis 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
Douglas E Dennis, MD
2100 Powell St, Suite 900,
Emeryville, CA 94608-1826

Ph: (510) 350-2600
Douglas E Dennis, MD
9920 Talbert Ave,
Fountain Valley, CA 92708-5153

Ph: (714) 378-7535

Reviews and Comments


Emergency Medicine Doctors in Fountain Valley, CA

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Stephen H Morenz, MD
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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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