Mrs Esmeralda Castillo Rubi, FNP-C - Medicare Nurse Practitioner in Rialto, CA

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Mrs Esmeralda Castillo Rubi, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in Rialto, California. Her current practice location is 436 S Riverside Ave, Rialto, California. You can reach out to her office (for appointments etc.) via phone at (909) 877-8868.

Mrs Esmeralda Castillo Rubi is licensed to practice in California (license number 95007727) 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 1417461294.

Contact Information

Mrs Esmeralda Castillo Rubi, FNP-C
436 S Riverside Ave,
Rialto, CA 92376-6523
(909) 877-8868
(909) 877-0008

Map and Direction




Provider's Profile

Full NameMrs Esmeralda Castillo Rubi
GenderFemale
SpecialityNurse Practitioner - Family
Location436 S Riverside Ave, Rialto, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1417461294
  • Provider Enumeration Date: 11/30/2017
  • Last Update Date: 11/30/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 0648519009
  • Enrollment ID: I20190228002824

Medical Identifiers

Medical identifiers for Mrs Esmeralda Castillo Rubi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417461294NPI-NPPES
95007727OtherCANP MEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 95007727 (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. Mrs Esmeralda Castillo Rubi allows following entities to bill medicare on her behalf.
Entity NameR. Ruiz, M.d., A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578599809
PECOS PAC ID: 4981592391
Enrollment ID: O20040308000956
Entity NameApple Urgent Care Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316005572
PECOS PAC ID: 9436192713
Enrollment ID: O20051017000244

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. Mrs Esmeralda Castillo Rubi 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
Mrs Esmeralda Castillo Rubi, FNP-C
436 S Riverside Ave,
Rialto, CA 92376-6523

Ph: (909) 877-8868		Mrs Esmeralda Castillo Rubi, FNP-C
436 S Riverside Ave,
Rialto, CA 92376-6523

Ph: (909) 877-8868

Reviews and Comments


Nurse Practitioner Nurses in Rialto, CA

Mr. Jesus Omar Valenzuela, FNP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 436 S Riverside Ave, Rialto, CA 92376
Phone: 909-877-8868    
Susan Suen, NP
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 416 W Foothill Blvd, Rialto, CA 92376
Phone: 909-421-0493    
Terrye Annette Anderson, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1180 N Glenwood Ave, Rialto, Rialto, CA 92376
Phone: 909-874-6899    
Ms. Li Watkins, FNP-BC
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 280 N Riverside Avenue, Rialto, CA 92376
Phone: 909-421-2121    Fax: 909-421-0491
Mrs. Roxanna Jacqueline Lucero, FNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 6662 Yucca Ave, Rialto, CA 92376
Phone: 909-877-3746    Fax: 909-820-6465
Amanda Vo, NP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 425 E Foothill Blvd, Rialto, CA 92376
Phone: 909-546-1050    Fax: 909-546-1061
Jeremy James Neuner,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1851 N Riverside Ave, Rialto, CA 92376
Phone: 909-421-2700    

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).

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