ERWIN SAMPANG NP
NPI 1114782398
Nurse Practitioner in Walnut, CA

Active since February 16, 2024PECOS Enrolled
731 LYONWOOD AVE, WALNUT, CA 91789(562) 481-5744 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Erwin Sampang Np NPPES

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

ERWIN SAMPANG NP (NPI 1114782398) is an individual nurse practitioner in Walnut, California, licensed in California (95017580) and active in the NPI registry since February 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114782398
Entity TypeIndividualMale
Primary Taxonomy363L00000X
Provider Legal NameERWIN SAMPANGCredential: NP
Location Address731 LYONWOOD AVEWalnut, CA 91789-3312
Mailing Address731 Lyonwood AveWalnut, CA 91789-3312
Sole ProprietorYes
Enumeration DateFebruary 16, 2024
Last NPPES UpdateJuly 23, 2025
NPPES CertifiedJuly 23, 2025
✔ NPI 1114782398 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95017580
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 95017580 (CA)
731 LYONWOOD AVE, Walnut, CA 91789

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erwin Sampang Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Erwin Sampang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Health Maintenance Organization
1540 BRIDGEGATE DR
Diamond Bar, CA 91765
  • Reassigned Medicare billing, California enrollment
  • 283 clinicians in this Medicare group
Family Medicine
887 E SECOND ST
Pomona, CA 91766
  • Reassigned Medicare billing, California enrollment
  • 339 clinicians in this Medicare group
Internal Medicine
12900 PARK PLAZA DR, STE 700, MS-7110
Cerritos, CA 90703
  • Reassigned Medicare billing, California enrollment
  • 235 clinicians in this Medicare group

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91789 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 Erwin Sampang's NPI number?

The NPI number for Erwin Sampang is 1114782398. It was assigned to this individual provider in the NPPES registry on February 16, 2024.

Where is Erwin Sampang located?

Erwin Sampang practices at 731 Lyonwood Ave, Walnut, CA 91789. The listed phone number is (562) 481-5744.

What is Erwin Sampang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Erwin Sampang enrolled in Medicare?

Yes. Erwin Sampang is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Erwin Sampang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erwin Sampang reassigns Medicare benefits to 3 organizations: Central Health Plan Of California, Inc. (Diamond Bar, CA), Molina Healthcare Of California (Pomona, CA) and Albion Medical Partners Of California West P C (Cerritos, CA). 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 Erwin Sampang'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 Erwin Sampang was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.