Hei Ieong Lou, PA | UniHealth

Offices

2 locations · Patricia Sitnitsky PC · 11 clinicians in this group

Looking this up.

Plans that list them

4 plans · 2 carriers

A missing listing does not mean out of network. Directories change, and a listing does not cover every office. Call Hei Ieong Lou’s office at (408) 495-5770 to confirm they take your plan. Ask about the office you use, its medical group, referrals and appointments.

4 of 4 plans

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Plans whose provider directory lists this clinician

Anthem Full Dual Advantage Aligned (HMO D-SNP)	Anthem Blue Cross	Listed	Oct 3, 2026
Imperial Courage Plan (HMO)	Imperial Health Plan of California, Inc.	Listed	Sep 1, 2026
Imperial Dynamic Plan (HMO)	Imperial Health Plan of California, Inc.	Listed	Sep 1, 2026
Imperial Senior Value (HMO C-SNP)	Imperial Health Plan of California, Inc.	Listed	Sep 1, 2026

Money from drug and device companies

$877 in 2025

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Industry payments by year

2025	13	45	None	$877
2024	1	1	None	$22

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

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Payments by company

Novo Nordisk	Ozempic	$196	12 payments Meals for Rybelsus · 2025-11-03 · $8 Meals for Wegovy · 2025-09-10 · $0 Meals for Wegovy · 2025-09-10 · $6 Meals for Wegovy · 2025-07-30 · $21 Meals for Ozempic · 2025-07-15 · $30 Meals for Wegovy · 2025-07-11 · $24 Meals for Rybelsus · 2025-05-20 · $24 Meals for Ozempic · 2025-05-08 · $21 Meals for Ozempic · 2025-04-29 · $26 Meals for Rybelsus · 2025-03-14 · $10 Meals for Ozempic · 2025-03-07 · $16 Meals for Ozempic · 2025-02-14 · $8
Lundbeck	Vyepti	$139	8 payments Meals for Vyepti · 2025-09-09 · $21 Meals for Vyepti · 2025-09-09 · $2 Meals for Vyepti · 2025-06-19 · $8 Meals for Vyepti · 2025-06-18 · $0 Meals for Rexulti · 2025-05-16 · $28 Meals for Vyepti · 2025-05-07 · $25 Meals for Vyepti · 2025-03-11 · $25 Meals for Vyepti · 2025-01-16 · $29
Exact Sciences	The Cologuard Plus Collection Kit	$135	6 payments Meals for The Cologuard Plus Collection Kit · 2025-10-20 · $28 Meals for The Cologuard Plus Collection Kit · 2025-09-11 · $24 Meals for The Cologuard Plus Collection Kit · 2025-07-02 · $20 Meals for The Cologuard Plus Collection Kit · 2025-04-09 · $21 Meals for Cologuard Collection Kit · 2025-03-05 · $21 Meals for Cologuard Collection Kit · 2025-01-30 · $20
Lilly USA	Mounjaro	$91	5 payments Meals for Mounjaro · 2025-09-17 · $23 Meals for Kisunla · 2025-05-13 · $16 Meals for Mounjaro · 2025-04-29 · $17 Meals for Mounjaro · 2025-03-25 · $21 Meals for Zepbound · 2025-02-11 · $15
Gilead Sciences	None	$66	3 payments Meals · 2025-12-04 · $23 Meals · 2025-09-26 · $26 Meals · 2025-05-28 · $17
Salix Pharmaceuticals a division of Bausch Health US	Xifaxan	$63	3 payments Meals for Xifaxan · 2025-11-05 · $20 Meals for Xifaxan · 2025-07-01 · $23 Meals for Xifaxan · 2025-05-12 · $19

See all 45 published payments

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Every published payment

Pfizer	Meals · 2025-12-08	Eliquis	$20
Gilead Sciences	Meals · 2025-12-04	None	$23
Salix Pharmaceuticals a division of Bausch Health US	Meals · 2025-11-05	Xifaxan	$20
Novo Nordisk	Meals · 2025-11-03	Rybelsus	$8
Abbvie	Meals · 2025-10-23	Qulipta	$27
Exact Sciences	Meals · 2025-10-20	The Cologuard Plus Collection Kit	$28
Edwards Lifesciences	Meals · 2025-10-06	Edwards Sapien 3 Ultra Transcatheter Heart Valve	$36
Hologic Sales and Service	Meals · 2025-09-29	Aptima	$22
Gilead Sciences	Meals · 2025-09-26	None	$26
Merck Sharp & Dohme	Meals · 2025-09-24	None	$17
Lilly USA	Meals · 2025-09-17	Mounjaro	$23
Exact Sciences	Meals · 2025-09-11	The Cologuard Plus Collection Kit	$24
Novo Nordisk	Meals · 2025-09-10	Wegovy	$0
Novo Nordisk	Meals · 2025-09-10	Wegovy	$6
Lundbeck	Meals · 2025-09-09	Vyepti	$21
Lundbeck	Meals · 2025-09-09	Vyepti	$2
Astellas Pharma US	Meals · 2025-08-29	Veozah	$28
Novo Nordisk	Meals · 2025-07-30	Wegovy	$21
Novo Nordisk	Meals · 2025-07-15	Ozempic	$30
Novo Nordisk	Meals · 2025-07-11	Wegovy	$24
Exact Sciences	Meals · 2025-07-02	The Cologuard Plus Collection Kit	$20
Salix Pharmaceuticals a division of Bausch Health US	Meals · 2025-07-01	Xifaxan	$23
Lundbeck	Meals · 2025-06-19	Vyepti	$8
Lundbeck	Meals · 2025-06-18	Vyepti	$0
Gilead Sciences	Meals · 2025-05-28	None	$17
Novo Nordisk	Meals · 2025-05-20	Rybelsus	$24
Lundbeck	Meals · 2025-05-16	Rexulti	$28
Lilly USA	Meals · 2025-05-13	Kisunla	$16
Salix Pharmaceuticals a division of Bausch Health US	Meals · 2025-05-12	Xifaxan	$19
Novo Nordisk	Meals · 2025-05-08	Ozempic	$21
Lundbeck	Meals · 2025-05-07	Vyepti	$25
Lilly USA	Meals · 2025-04-29	Mounjaro	$17
Novo Nordisk	Meals · 2025-04-29	Ozempic	$26
Exact Sciences	Meals · 2025-04-09	The Cologuard Plus Collection Kit	$21
Lilly USA	Meals · 2025-03-25	Mounjaro	$21
Merck Sharp & Dohme	Meals · 2025-03-18	Varivax	$19
Novo Nordisk	Meals · 2025-03-14	Rybelsus	$10
Lundbeck	Meals · 2025-03-11	Vyepti	$25
Novo Nordisk	Meals · 2025-03-07	Ozempic	$16
Exact Sciences	Meals · 2025-03-05	Cologuard Collection Kit	$21
Currax Pharmaceuticals	Meals · 2025-03-03	Contrave	$18
Novo Nordisk	Meals · 2025-02-14	Ozempic	$8
Lilly USA	Meals · 2025-02-11	Zepbound	$15
Exact Sciences	Meals · 2025-01-30	Cologuard Collection Kit	$20
Lundbeck	Meals · 2025-01-16	Vyepti	$29

See earlier years (2024)

2024: $22

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Payments by company in 2024

Gilead Sciences	None	$22	1 payment Meals · 2024-12-12 · $22

Professional record

NPI: 1225857642
Trained: University of California, Davis School of Medicine, 2024
Group: Patricia Sitnitsky PC
Video visits: Lists video visits
Gender: Male

More record details

Sole proprietor: Yes
Taxonomy: Physician assistant (363A00000X)
Mailing address: 827 Altos Oaks Dr Ste 4, Los Altos, CA, 94024
NPI first listed: 2024-10-03
NPI last updated: 2025-05-29
NPI record certified: 2025-05-29

This is when the NPI record was last certified, not a medical board exam.