Alyssa Katherine Castagna, NP - Medicare Nurse Practitioner in Arroyo Grande, CA

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Alyssa Katherine Castagna, NP is a medicare enrolled "Nurse Practitioner" in Arroyo Grande, California. Her current practice location is 260 Station Way Ste A, Arroyo Grande, California. You can reach out to her office (for appointments etc.) via phone at (805) 473-6201.

Alyssa Katherine Castagna is licensed to practice in California (license number 95016302) 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 1083286249.

Contact Information

Alyssa Katherine Castagna, NP
260 Station Way Ste A,
Arroyo Grande, CA 93420-3359
(805) 473-6201
(805) 473-6291

Map and Direction




Provider's Profile

Full NameAlyssa Katherine Castagna
GenderFemale
SpecialityNurse Practitioner
Location260 Station Way Ste A, Arroyo Grande, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1083286249
  • Provider Enumeration Date: 07/15/2021
  • Last Update Date: 04/15/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8628471125
  • Enrollment ID: I20210721002087

Medical Identifiers

Medical identifiers for Alyssa Katherine Castagna such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083286249NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner 95016302 (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. Alyssa Katherine Castagna allows following entities to bill medicare on her behalf.
Entity NameCommunity Health Centers Of The Central Coast Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336166248
PECOS PAC ID: 7416868120
Enrollment ID: O20040115001161
Entity NameClinica Sierra Vista
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740439314
PECOS PAC ID: 3870407505
Enrollment ID: O20090304000620

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. Alyssa Katherine Castagna 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
Alyssa Katherine Castagna, NP
2050 S Blosser Rd,
Santa Maria, CA 93458-7310

Ph: (805) 361-8030		Alyssa Katherine Castagna, NP
260 Station Way Ste A,
Arroyo Grande, CA 93420-3359

Ph: (805) 473-6201

Reviews and Comments


Nurse Practitioner Nurses in Arroyo Grande, CA

Jennifer Pennon, ARNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 850 Fair Oaks Ave, Arroyo Grande, CA 93420
Phone: 805-473-0700    
Roxanne Markov Morgan, RN, CPNP
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Medicare: Not Enrolled in Medicare
Practice Location: 154 Traffic Way, Arroyo Grande, CA 93420
Phone: 805-473-3262    Fax: 805-473-3707
Chloe Margaret Strycker,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 536 Camino Mercado, Arroyo Grande, CA 93420
Phone: 805-540-0279    
Ms. Jennifer Nell Koos, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1152 E Grand Ave, Arroyo Grande, CA 93420
Phone: 805-489-4026    
Nazifa Paillet, FNP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 260 Station Way, 210, Arroyo Grande, CA 93420
Phone: 805-473-6201    
Jayana M. Dewitt, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1350 E Grand Ave, Arroyo Grande, CA 93420
Phone: 805-474-2154    

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.