Theresa S Maestas, MD - Emergency Medicine in Fountain Valley, CA

Theresa S Maestas, MD is a Emergency Medicine physician based in Fountain Valley, California. Theresa S Maestas is licensed to practice in California (license number G43392) and her current practice location is 17100 Euclid St, Fountain Valley, California. She can be reached at her office (for appointments etc.) via phone at (714) 966-7200.

NPI number for Theresa S Maestas is 1043242373 and her current mailing address is Po Box 20140, Fountain Valley, California. She does not participate in medicare program and thus does not accept medicare assignments. Her NPI Number is 1043242373.

Contact Information

Theresa S Maestas, MD
17100 Euclid St,
Fountain Valley, CA 92708
(714) 966-7200
Not Available

Map and Direction




Physician's Profile

Full NameTheresa S Maestas
GenderFemale
SpecialityEmergency Medicine
Location17100 Euclid St, Fountain Valley, California
Accepts Medicare AssignmentsDoes not participate in Medicare Program. She may not accept medicare assignment.
  NPI Data:
  • NPI Number: 1043242373
  • Provider Enumeration Date: 07/07/2006
  • Last Update Date: 04/30/2008

Medical Identifiers

Medical identifiers for Theresa S Maestas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043242373NPI-NPPES
00G433920MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine G43392 (California)Primary

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. Theresa S Maestas is NOT enrolled with medicare and thus cannot prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Theresa S Maestas, MD
Po Box 20140,
Fountain Valley, CA 92728-0140

Ph: (562) 809-3572
Theresa S Maestas, MD
17100 Euclid St,
Fountain Valley, CA 92708

Ph: (714) 966-7200

Reviews and Comments


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Phone: 714-966-7200    

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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.

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