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MR. SIMON STEPHEN LEE YAO NP
NPI 1275244774
Nurse Practitioner - Family in Orange, CA

Active since December 06, 2022PECOS EnrolledAccepts Medicare Assignment
867 S TUSTIN ST, ORANGE, CA 92866(714) 771-1420 Get Directions Write a Review

NPPES record last updated: December 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 30, 2024, Mar 18, 2023, Dec 6, 2022 (3 updates tracked since 2022).

About Mr. Simon Stephen Lee Yao Np NPPES

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

MR. SIMON STEPHEN LEE YAO NP (NPI 1275244774) is an individual family provider in Orange, California, licensed in California (95023529) and active in the NPI registry since December 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1275244774
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameMR. SIMON STEPHEN LEE YAOCredential: NP
Location Address867 S TUSTIN STOrange, CA 92866-3426
Mailing Address6533 Peach Blossom StEastvale, CA 92880-0765 · (909) 816-6563
Phone(714) 771-1420
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateDecember 6, 2022
Last NPPES UpdateDecember 30, 20243 updates tracked since enumeration
NPPES CertifiedMarch 18, 2023
✔ NPI 1275244774 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 · 95023529
867 S TUSTIN ST, Orange, CA 92866
Open in Google Maps ↗

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

Mr. Simon Stephen Lee Yao Np 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 ID4880121482
PECOS Enrollment IDI20241220000790
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 Simon Stephen Yao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
5.6 mi
Health Maintenance Organization
441 N LAKEVIEW AVE
Anaheim, CA 92807
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1952333460 (714) 279-4000
Psychbright Health
38 mi
Psychiatry
9025 WILSHIRE BLVD STE 202
Beverly Hills, CA 90211
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
NPI 1225742240 (213) 584-2331

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 92866 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.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOHN DIAB PA
Physician Assistant
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
BE CHIROPRACTIC PC
Chiropractor
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
FRANK FONG YOUNG M.D.
General Practice
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
WILLIAM H NUESSE M D AND MARY ANN NUESSE D O A MEDICAL CORPORATION
Clinic/Center
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
DR. KENNETH E GRUBBS D.O.
Family Medicine
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
MELISSA CHANG NP
Nurse Practitioner (Family)
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
DR. MARYANN NUESSE D.O.
Family Medicine (Adult Medicine)
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420
NEIL CHEN
Physician Assistant
867 S TUSTIN ST
ORANGE, CA 92866
Orange County (714) 771-1420

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 Simon Stephen Yao's NPI number?

The NPI number for Simon Stephen Yao is 1275244774. It was assigned to this individual provider in the NPPES registry on December 6, 2022.

Where is Simon Stephen Yao located?

Simon Stephen Yao practices at 867 S Tustin St, Orange, CA 92866. The listed phone number is (714) 771-1420.

What is Simon Stephen Yao's specialty?

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

Is Simon Stephen Yao enrolled in Medicare?

Yes. Simon Stephen Yao 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 Simon Stephen Yao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Simon Stephen Yao reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Anaheim, CA) and Psychbright Health (Beverly Hills, 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 Simon Stephen Yao'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 Simon Stephen Yao was last updated on December 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.