Mary Catherine Espiritu Diaz, FNP-C - Medicare Nurse Practitioner in Atascadero, CA

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Mary Catherine Espiritu Diaz, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in Atascadero, California. She graduated from nursing school in 2024 and has 2 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Pain Management Specialists Medical Group and her current practice location is 10333 El Camino Real, Atascadero, California. You can reach out to her office (for appointments etc.) via phone at (805) 468-2000.

Mary Catherine Espiritu Diaz is licensed to practice in California (license number 95032761) 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 1780406025.

Contact Information

Mary Catherine Espiritu Diaz, FNP-C
10333 El Camino Real,
Atascadero, CA 93422-5808
(805) 468-2000
Not Available

Map and Direction




Provider's Profile

Full NameMary Catherine Espiritu Diaz
GenderFemale
SpecialityNurse Practitioner
Experience2 Years
Location10333 El Camino Real, Atascadero, 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:
  • Mary Catherine Espiritu Diaz graduated from nursing school in 2024
  NPI Data:
  • NPI Number: 1780406025
  • Provider Enumeration Date: 10/28/2024
  • Last Update Date: 05/21/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 5496265464
  • Enrollment ID: I20250609002731

Medical Identifiers

Medical identifiers for Mary Catherine Espiritu Diaz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780406025NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 741804 (California)Secondary
363LF0000XNurse Practitioner - Family 95032761 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Pain Management Specialists Medical Group286044868512

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. Mary Catherine Espiritu Diaz allows following entities to bill medicare on her behalf.
Entity NamePain Management Specialists Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265435416
PECOS PAC ID: 2860448685
Enrollment ID: O20050324000765

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. Mary Catherine Espiritu Diaz 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
Mary Catherine Espiritu Diaz, FNP-C
10333 El Camino Real,
Atascadero, CA 93422-5808

Ph: (805) 468-2000		Mary Catherine Espiritu Diaz, FNP-C
10333 El Camino Real,
Atascadero, CA 93422-5808

Ph: (805) 468-2000

Reviews and Comments


Nurse Practitioner Nurses in Atascadero, CA

Gizella Maria Raymond, N.P., R.N.
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 10333 El Camino Real, Atascadero, CA 93422
Phone: 805-468-3007    
Raelyn Nicole Hamman, NP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 8065 Cristobal Ave, Atascadero, CA 93422
Phone: 408-202-4130    
Mrs. Rannveig K Gunnarsson, FNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 10333 El Camino Real, Atascadero, CA 93422
Phone: 805-468-2000    
Ms. Maria Guadalupe Rincon-brown, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 10333 El Camino Real, Atascadero, CA 93422
Phone: 805-468-2000    
Kelly Lynne Cash, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 8280 Morro Rd, Atascadero, CA 93422
Phone: 805-464-2991    
Marie Louise Tuohey-mote, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 10333 El Camino Real, Atascadero, CA 93423
Phone: 805-468-2000    Fax: 805-466-6011
Christina Lynn Maciel,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 9700 El Camino Real Ste 100, Atascadero, CA 93422
Phone: 805-466-1330    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.