Anna Marie Casillas, ARNP - Medicare Family Medicine in Mount Vernon, WA

Anna Marie Casillas, ARNP is a medicare enrolled "Family Medicine" physician in Mount Vernon, Washington. Her current practice location is 2021 E College Way Ste 210, Mount Vernon, Washington. You can reach out to her office (for appointments etc.) via phone at (360) 755-3670.

Anna Marie Casillas is licensed to practice in Washington (license number AP60942913) 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 1912469198.

Contact Information

Anna Marie Casillas, ARNP
2021 E College Way Ste 210,
Mount Vernon, WA 98273-2373
(360) 755-3670
(360) 873-8697

Map and Direction




Physician's Profile

Full NameAnna Marie Casillas
GenderFemale
SpecialityFamily Medicine
Location2021 E College Way Ste 210, Mount Vernon, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1912469198
  • Provider Enumeration Date: 04/04/2019
  • Last Update Date: 11/08/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6608296215
  • Enrollment ID: I20220622001911

Medical Identifiers

Medical identifiers for Anna Marie Casillas such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912469198NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine AP60942913 (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. Anna Marie Casillas allows following entities to bill medicare on her behalf.
Entity NameHoward B Miller Md Inc Ps
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356419212
PECOS PAC ID: 4183613599
Enrollment ID: O20040511000458

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. Anna Marie 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
Anna Marie Casillas, ARNP
1317 Fir Ln,
Mount Vernon, WA 98273-2535

Ph: (064) 792-5444
Anna Marie Casillas, ARNP
2021 E College Way Ste 210,
Mount Vernon, WA 98273-2373

Ph: (360) 755-3670

Reviews and Comments


Family Medicine Doctors in Mount Vernon, WA

Mark S Mcgrath, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 901 S 5th St, Mount Vernon, WA 98274
Phone: 360-814-7300    Fax: 360-848-4543
Dr. Cheryl Lynn Mcrill, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 307 S 13th St Ste 200, Mount Vernon, WA 98274
Phone: 360-848-8500    
Mr. Roger Paul Estep, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2116 East Section Street, Mount Vernon, WA 98274
Phone: 360-428-1700    Fax: 360-848-4350
Dr. David M. Kanze, D.O.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 819 S. 13th Street, Skagit Regional Clinicas - Residency Clinic, Mount Vernon, WA 98274
Phone: 360-814-6230    Fax: 360-814-6240
Barbara J. Hahn, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-2500    Fax: 360-428-6485
William Fred Stanley, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-2500    Fax: 360-428-6485
Dr. Anirban Das, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1400 E Kincaid St, Mount Vernon, WA 98274
Phone: 360-428-6434    Fax: 360-848-4233

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.