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MR. HEI IEONG LOU PA-C
NPI 1225857642
Physician Assistant in Mountain View, CA

Active since October 03, 2024PECOS EnrolledAccepts Medicare Assignment
525 SOUTH DR STE 211, MOUNTAIN VIEW, CA 94040(408) 495-5770(650) 912-1129 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 29, 2025, Nov 5, 2024, Oct 3, 2024 (3 updates tracked since 2024).

About Mr. Hei Ieong Lou Pa-c NPPES

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

MR. HEI IEONG LOU PA-C (NPI 1225857642) is an individual physician assistant in Mountain View, California, licensed in California (1226155) and active in the NPI registry since October 2024. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2024).

NPPES Registry Identity

NPI1225857642
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. HEI IEONG LOUCredential: PA-C
Location Address525 SOUTH DR STE 211Mountain View, CA 94040-4211
Mailing Address827 Altos Oaks Dr Ste 4Los Altos, CA 94024-5490 · (408) 495-5770 · Fax (650) 912-1129
Phone(408) 495-5770
Fax(650) 912-1129
Sole ProprietorYes
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2024
Enumeration DateOctober 3, 2024
Last NPPES UpdateMay 29, 20253 updates tracked since enumeration
NPPES CertifiedMay 29, 2025
✔ NPI 1225857642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in CA · 1226155
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
525 SOUTH DR STE 211, Mountain View, CA 94040
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Hei Ieong Lou Pa-c 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 ID9032631205
PECOS Enrollment IDI20250317003149
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94040 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$86.56 typical visit price
range $23.96 – $169.60
Typical copayment $21.64 (range $5.99 – $42.40)
Most-billed visit code 99213
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 5

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

JENNIFER NEWMAN PT
Physical Therapist
525 SOUTH DR STE 211
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-0455
CLAIRE DANIELS PA-C
Physician Assistant
525 SOUTH DR STE 211
MOUNTAIN VIEW, CA 94040
Santa Clara County (408) 495-5770
DR. FARIHA ASHRAF MD
Internal Medicine
525 SOUTH DR STE 211
MOUNTAIN VIEW, CA 94040
Santa Clara County (408) 495-5770
VALERIE B JACKSON PT
Physical Therapist (Orthopedic)
525 SOUTH DR STE 211
MOUNTAIN VIEW, CA 94040
Santa Clara County (650) 934-0455
PAMELA ELIZABETH RUIZ PA-C
Physician Assistant
525 SOUTH DR STE 211
MOUNTAIN VIEW, CA 94040
Santa Clara County (408) 495-5770

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 Hei Ieong Lou's NPI number?

The NPI number for Hei Ieong Lou is 1225857642. It was assigned to this individual provider in the NPPES registry on October 3, 2024.

Where is Hei Ieong Lou located?

Hei Ieong Lou practices at 525 South Dr Ste 211, Mountain View, CA 94040. The listed phone number is (408) 495-5770.

What is Hei Ieong Lou's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Hei Ieong Lou enrolled in Medicare?

Yes. Hei Ieong Lou 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.

When was this NPI record last updated?

The NPPES record for Hei Ieong Lou was last updated on May 29, 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.