Vy Lien , PA-C
Physician Assistant • Colton, CA
Professional Overview & Biography Verified Profile Summary
Vy Lien, PA-C is a registered healthcare professional specializing in Physician Assistant in Colton, CA. Practice services are available at 400 N PEPPER AVE under active NPI credentials.
Frequently performed procedures and clinical services include emergency department visit for life threatening or functioning severity, emergency department visit with moderate level of medical decision making, emergency department visit with low level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
400 N Pepper Ave
Colton, CA 923241801
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Colton, CA
Practicing in Colton, CA (14617 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99285
Emergency department visit for life threatening or functioning severity
|
52 | 50 | $1224.00 | $153.89 |
|
99284
Emergency department visit with moderate level of medical decision making
|
30 | 28 | $832.00 | $106.30 |
Medical Specialties & State Licenses
CMS Verified: 2026-01-20NUCC Taxonomy Code: 363A00000X
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.
Secondary Practice Locations
2 Embarcadero Ctr
San Francisco, CA 941113823
Phone: 8886636331
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Emergency Medicine
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant (Certified)
Emergency Medicine
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant (Certified)
Emergency Medicine
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 1 EMBARCADERO CTR STE 1900, SAN FRANCISCO, CA 941113723
Physician Assistant (License #20624 in CA)
NPI status registered as active in NPPES database
Registered at 400 N PEPPER AVE, COLTON, CA 923241801 (Tel: 9095801400)
Registered at 2100 POWELL ST STE 920, EMERYVILLE, CA 946081844 (Tel: 5103502600)
Recorded as VY LIEN, P.A.-C
Physician Assistant
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
1 Embarcadero Ctr Ste 1900
San Francisco, CA 941113723
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