Clarissa Tan Cawaling, FNP - Medicare Nurse Practitioner in Riverside, CA

Clarissa Tan Cawaling, FNP is a medicare enrolled "Nurse Practitioner - Family" in Riverside, California. Her current practice location is 9889 Magnolia Ave Ste A, Riverside, California. You can reach out to her office (for appointments etc.) via phone at (951) 542-3900.

Clarissa Tan Cawaling is licensed to practice in California (license number 95021755) 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 1477275899.

Contact Information

Clarissa Tan Cawaling, FNP
9889 Magnolia Ave Ste A,
Riverside, CA 92503-3581
(951) 542-3900
Not Available

Map and Direction




Provider's Profile

Full NameClarissa Tan Cawaling
GenderFemale
SpecialityNurse Practitioner - Family
Location9889 Magnolia Ave Ste A, Riverside, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1477275899
  • Provider Enumeration Date: 09/13/2022
  • Last Update Date: 09/13/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9537536230
  • Enrollment ID: I20221109003111

Medical Identifiers

Medical identifiers for Clarissa Tan Cawaling such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477275899NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163W00000XRegistered Nurse 95106669 (California)Secondary
363L00000XNurse Practitioner 95021755 (California)Secondary
363LF0000XNurse Practitioner - Family 95021755 (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. Clarissa Tan Cawaling allows following entities to bill medicare on her behalf.
Entity NameApple Urgent Care Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316005572
PECOS PAC ID: 9436192713
Enrollment ID: O20051017000244
Entity NamePremier Urgent Care Centers Of California Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316338619
PECOS PAC ID: 9638499668
Enrollment ID: O20150514002313

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. Clarissa Tan Cawaling 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
Clarissa Tan Cawaling, FNP
9889 Magnolia Ave Ste A,
Riverside, CA 92503-3581

Ph: (951) 542-3900
Clarissa Tan Cawaling, FNP
9889 Magnolia Ave Ste A,
Riverside, CA 92503-3581

Ph: (951) 542-3900

Reviews and Comments


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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.