Arvi Mallari Generoso, MD - Medicare Internal Medicine in Castl Rock, WA

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Arvi Mallari Generoso, MD is a medicare enrolled "Internal Medicine" physician in Castl Rock, Washington. Her current practice location is 23 Cowlitz W St, Castl Rock, Washington. You can reach out to her office (for appointments etc.) via phone at (360) 800-9480.

Arvi Mallari Generoso is licensed to practice in Washington (license number MD60441564) 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 1104104025.

Contact Information

Arvi Mallari Generoso, MD
23 Cowlitz W St,
Castl Rock, WA 98611
(360) 800-9480
(360) 800-9486

Map and Direction




Physician's Profile

Full NameArvi Mallari Generoso
GenderFemale
SpecialityInternal Medicine
Location23 Cowlitz W St, Castl Rock, Washington
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1104104025
  • Provider Enumeration Date: 07/26/2011
  • Last Update Date: 09/30/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6406089853
  • Enrollment ID: I20140812000037

Medical Identifiers

Medical identifiers for Arvi Mallari Generoso such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104104025NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD60441564 (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. Arvi Mallari Generoso allows following entities to bill medicare on her behalf.
Entity NamePeacehealth
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720056187
PECOS PAC ID: 5890689293
Enrollment ID: O20040209000272
Entity NameGeneroso Health Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932866134
PECOS PAC ID: 1456731496
Enrollment ID: O20220707002566

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. Arvi Mallari Generoso 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
Arvi Mallari Generoso, MD
Po Box 1163,
Castle Rock, WA 98611-1163

Ph: (360) 800-9480		Arvi Mallari Generoso, MD
23 Cowlitz W St,
Castl Rock, WA 98611

Ph: (360) 800-9480

Reviews and Comments


Internal Medicine Doctors in Castl Rock, WA


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.