Sharlene Joyce Sison De Castro, - Medicare Nurse Practitioner in National City, CA

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Sharlene Joyce Sison De Castro, is a medicare enrolled "Nurse Practitioner - Family" in National City, California. Her current practice location is 2101 Granger Ave # 101-a, National City, California. You can reach out to her office (for appointments etc.) via phone at (844) 200-2426.

Sharlene Joyce Sison De Castro is licensed to practice in California (license number NP95021762) 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 1750019824.

Contact Information

Sharlene Joyce Sison De Castro,
2101 Granger Ave # 101-a,
National City, CA 91950-6208
(844) 200-2426
Not Available

Map and Direction




Provider's Profile

Full NameSharlene Joyce Sison De Castro
GenderFemale
SpecialityNurse Practitioner - Family
Location2101 Granger Ave # 101-a, National City, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1750019824
  • Provider Enumeration Date: 08/08/2022
  • Last Update Date: 08/12/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0042675019
  • Enrollment ID: I20230426001245

Medical Identifiers

Medical identifiers for Sharlene Joyce Sison De Castro such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750019824NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family NP95021762 (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. Sharlene Joyce Sison De Castro allows following entities to bill medicare on her behalf.
Entity NameOperation Samahan Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275617169
PECOS PAC ID: 7911932645
Enrollment ID: O20051001000054
Entity NameMolina Healthcare Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194811760
PECOS PAC ID: 7517957608
Enrollment ID: O20061101000348
Entity NameOmar Osman Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669192472
PECOS PAC ID: 4385014042
Enrollment ID: O20221221002873

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. Sharlene Joyce Sison De Castro 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
Sharlene Joyce Sison De Castro,
2101 Granger Ave # 101-a,
National City, CA 91950-6208

Ph: (844) 200-2426		Sharlene Joyce Sison De Castro,
2101 Granger Ave # 101-a,
National City, CA 91950-6208

Ph: (844) 200-2426

Reviews and Comments


Nurse Practitioner Nurses in National City, CA

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Practice Location: 655 Euclid Ave, Suite 305, National City, CA 91950
Phone: 619-818-7205    
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Practice Location: 1419 E 8th St, National City, CA 91950
Phone: 619-718-1743    
Azeem Anjum, RN
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Practice Location: 610 Euclid Ave Ste 200, National City, CA 91950
Phone: 619-267-9257    Fax: 619-267-9273
Alissa Gray, NP
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Phone: 619-470-6700    
Michael B Raguine, NURSE PRACTITIONER
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Medicare: Not Enrolled in Medicare
Practice Location: 2743 Highland Ave, National City, CA 91950
Phone: 619-474-2284    

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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