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SHARLENE JOYCE SISON DE CASTRO
NPI 1750019824
Nurse Practitioner - Family in National City, CA

Active since August 08, 2022PECOS EnrolledAccepts Medicare Assignment
2101 GRANGER AVE # 101-A, NATIONAL CITY, CA 91950(844) 200-2426 Get Directions Write a Review

NPPES record last updated: August 12, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2023, Aug 8, 2022 (2 updates tracked since 2022).

About Sharlene Joyce Sison De Castro NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SHARLENE JOYCE SISON DE CASTRO (NPI 1750019824) is an individual family provider in National City, California, licensed in California (NP95021762) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1750019824
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSHARLENE JOYCE SISON DE CASTRO
Location Address2101 GRANGER AVE # 101-ANational City, CA 91950-6208
Mailing Address2101 Granger Ave # 101-aNational City, CA 91950-6208 · (844) 200-2426
Phone(844) 200-2426
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 8, 2022
Last NPPES UpdateAugust 12, 20232 updates tracked since enumeration
NPPES CertifiedAugust 12, 2023
✔ NPI 1750019824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · NP95021762
2101 GRANGER AVE # 101-A, National City, CA 91950
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sharlene Joyce Sison De Castro is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42675019
PECOS Enrollment IDI20230426001245
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Sharlene Joyce De Castro reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Molina Healthcare Of California
100 mi
Health Maintenance Organization
200 OCEANGATE STE 100
Long Beach, CA 90802
  • Reassigned Medicare billing, California enrollment
  • 339 clinicians in this Medicare group
NPI 1194811760 (562) 499-6191
Omar Osman MD PC
1,725 mi
Physical Medicine & Rehabilitation
9400 MARION AVE
Morton Grove, IL 60053
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Omar Osman Practice, LLC
  • 53 clinicians in this Medicare group
NPI 1669192472 (855) 611-8783

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
601 services78 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
404 services26 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
311 services38 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
74 services65 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
31 services28 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
24 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91950 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sharlene Joyce De Castro's NPI number?

The NPI number for Sharlene Joyce De Castro is 1750019824. It was assigned to this individual provider in the NPPES registry on August 8, 2022.

Where is Sharlene Joyce De Castro located?

Sharlene Joyce De Castro practices at 2101 Granger Ave # 101-A, National City, CA 91950. The listed phone number is (844) 200-2426.

What is Sharlene Joyce De Castro's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sharlene Joyce De Castro enrolled in Medicare?

Yes. Sharlene Joyce De Castro is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sharlene Joyce De Castro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sharlene Joyce De Castro reassigns Medicare benefits to 2 organizations: Molina Healthcare Of California (Long Beach, CA) and Omar Osman MD PC (Morton Grove, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sharlene Joyce De Castro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sharlene Joyce De Castro was last updated on August 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.