Rosa Margarita Casillas, ARNP - Medicare Nurse Practitioner in Kennewick, WA

Rosa Margarita Casillas, ARNP is a medicare enrolled "Nurse Practitioner - Adult Health" in Kennewick, Washington. Her current practice location is 6710 W Okanogan Pl, Kennewick, Washington. You can reach out to her office (for appointments etc.) via phone at (509) 942-2528.

Rosa Margarita Casillas is licensed to practice in Washington (license number AP61312013) 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 1831831262.

Contact Information

Rosa Margarita Casillas, ARNP
6710 W Okanogan Pl,
Kennewick, WA 99336-8001
(509) 942-2528
(509) 783-2008

Map and Direction




Provider's Profile

Full NameRosa Margarita Casillas
GenderFemale
SpecialityNurse Practitioner - Adult Health
Location6710 W Okanogan Pl, Kennewick, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1831831262
  • Provider Enumeration Date: 04/07/2022
  • Last Update Date: 11/14/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4981070471
  • Enrollment ID: I20221025002730

Medical Identifiers

Medical identifiers for Rosa Margarita Casillas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831831262NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner AP61312013 (Washington)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
363LA2200XNurse Practitioner - Adult Health AP61312013 (Washington)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. Rosa Margarita Casillas allows following entities to bill medicare on her behalf.
Entity NameKadlec Regional Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972507580
PECOS PAC ID: 9739098617
Enrollment ID: O20031104000035

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. Rosa Margarita Casillas 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
Rosa Margarita Casillas, ARNP
550 Gage Blvd Ste 101,
Richland, WA 99352-9532

Ph: (509) 942-3627
Rosa Margarita Casillas, ARNP
6710 W Okanogan Pl,
Kennewick, WA 99336-8001

Ph: (509) 942-2528

Reviews and Comments


Nurse Practitioner Nurses in Kennewick, WA

Nichole Marie Green, ARNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 8503 W Clearwater Ave Ste B, Kennewick, WA 99336
Phone: 509-303-3428    
Mrs. Stacey Ann Deschamps, ARNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 602 N Colorado St, Suite D, Kennewick, WA 99336
Phone: 509-735-8600    Fax: 509-783-7354
Christine A Acker, ARNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 7201 W Grandridge Blvd, Suite 101, Kennewick, WA 99336
Phone: 509-735-2325    Fax: 509-735-3222
Ms. Marylu Helen Vait, ARNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 8901 W Gage Blvd, Kennewick, WA 99336
Phone: 509-735-1100    Fax: 509-735-1180
Debra K Macdonald, ARNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1360 N Louisiana St # A737, Kennewick, WA 99336
Phone: 509-628-1958    Fax: 509-628-1959
Mary Elizabeth Swihart, CFNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 3900 S Zintel Way Fl 2, Kennewick, WA 99337
Phone: 509-942-3125    Fax: 509-585-8173
Alana Berdiyev, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 35 S Louisiana St Ste A120, Kennewick, WA 99336
Phone: 509-491-1944    

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.