Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Hei Ieong Lou, PA-C

Individual provider Physician Assistant · NPI 1225857642

Mr. Hei Ieong Lou, PA-C is a Physician Assistant in Mountain View, California. Graduated from University of California, Davis School of Medicine in 2024, 2 years ago. Practices with Patricia Sitnitsky PC, an 11-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
2
Trained at
University of California, Davis School of Medicine
Licensed in
CA
In the registry since
2024
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

525 S Dr Ste 211
Mountain View, CA 94040-4211
Phone: (408) 495-5770
Fax: (650) 912-1129
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 1226155 (CA)

Record details

NPI number1225857642
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorYes
NPI enumeratedOctober 3, 2024
Last updated in NPPESMay 29, 2025
Certification dateMay 29, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2024 (2 years in practice)
Group practice Patricia Sitnitsky Pc — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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