Mary Catherine Espiritu Diaz, FNP-C - Medicare Nurse Practitioner in San Luis Obispo, CA

Mary Catherine Espiritu Diaz, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in San Luis Obispo, California. Her current practice location is 10 Santa Rosa St Ste 201, San Luis Obispo, California. You can reach out to her office (for appointments etc.) via phone at (805) 544-7246.

Mary Catherine Espiritu Diaz is licensed to practice in California (license number 95032761) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1780406025.

Contact Information

Mary Catherine Espiritu Diaz, FNP-C
10 Santa Rosa St Ste 201,
San Luis Obispo, CA 93405-5826
(805) 544-7246
Not Available

Map and Direction




Provider's Profile

Full NameMary Catherine Espiritu Diaz
GenderFemale
SpecialityNurse Practitioner - Family
Location10 Santa Rosa St Ste 201, San Luis Obispo, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1780406025
  • Provider Enumeration Date: 10/28/2024
  • Last Update Date: 04/29/2025
  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

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: () -
Mary Catherine Espiritu Diaz, FNP-C
10 Santa Rosa St Ste 201,
San Luis Obispo, CA 93405-5826

Ph: (805) 544-7246

Reviews and Comments


Nurse Practitioner Nurses in San Luis Obispo, CA

Lauren Elvira Mirabdollah, N.P.
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 77 Casa St, Suite 201-204, San Luis Obispo, CA 93405
Phone: 805-269-1500    Fax: 805-269-1585
Michelle Alena Taylor, R.N., M.S.N., A.C.N.
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1194 Pacific Street, Suite 100, San Luis Obispo, CA 93401
Phone: 805-781-9111    Fax: 805-788-0764
Avery John Paulson, RN, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 2180 Johnson Ave, San Luis Obispo, CA 93401
Phone: 805-431-1334    
Michele L Day-brooks, RN/FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 705 Grand Ave, San Luis Obispo, CA 93401
Phone: 805-544-2478    
Jennifer Poe, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1250 Peach St Ste B, San Luis Obispo, CA 93401
Phone: 805-543-4043    Fax: 805-543-7640
Patricia M. Odum, N.P.
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1555 Higuera St, San Luis Obispo, CA 93401
Phone: 805-543-4043    Fax: 805-543-4427
Ms. Mariacelis Robles Capeling, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 895 Aerovista Pl Ste 103, San Luis Obispo, CA 93401
Phone: 805-541-3200    Fax: 805-541-3700

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.