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Active NPI 1790863884 Individual Practitioner Male Practitioner

Dr. Samuel Kwong-Ming Liu , MD

Surgery • Pleasanton, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Samuel Liu, MD is a certified Surgery practicing in Pleasanton, CA. With approximately 39 years of clinical experience since graduating from University Of California, San Diego School Of Medicine in 1987, Dr. Liu delivers high-quality medical care to the local community at 5565 W LAS POSITAS BLVD STE 260.

Dr. Liu maintains professional affiliations with Sutter Bay Medical Foundation, Enloe Medical Center, Stanford Health Care and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least, subsequent hospital care with moderate levelof medical decision making, if using time, at least, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5565 W Las Positas Blvd Ste 260

Pleasanton, CA 945885807

Telephone 9254165470
Fax 9257340517

Medicare Profile & Education

Medical School

University Of California, San Diego School Of Medicine

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Pleasanton, CA

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
39 Yrs +10.2 yrs vs City Avg
City Avg: 28.8 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
10 Specialists

Practicing in Pleasanton, CA (3346 Statewide)

Telehealth Adoption Rate
20.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
66.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Liu (39 Years) 39 Yrs
Pleasanton Specialty Average (28.8 Years) 28.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
45 45 $442.00 $140.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
29 23 $232.14 $85.10

Medical Specialties & State Licenses

CMS Verified: 2025-08-26
Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G64755

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License CA G64755

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License CA G64755

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00G647550 (CA)

Hospital & Practice Group Affiliations

Sutter Bay Medical Foundation

3901 Lone Tree Way, Antioch, CA 945096200

Phone: 6508457649

Stanford Health Care

300 Pasteur Dr, Stanford, CA 943052200

Phone: 6507234000

Enloe Medical Center

251 Cohasset Rd, Chico, CA 959262241

Phone: 5303324530

Secondary Practice Locations

3901 Lone Tree Way

Antioch, CA 945096200

Phone: 9257561192

1425 S Main St

Walnut Creek, CA 945965318

Phone: 9252954000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

8 Associated Practitioners
Dr. Calvin Lei , MD

Internal Medicine

NPI 1265432967

Doctor of Medicine (M.D.)

Dr. Robert Santos , MD

Internal Medicine

NPI 1356340384

Doctor of Medicine (M.D.)

Dr. Anthony Koh , MD

Internal Medicine

NPI 1730166158

Doctor of Medicine (M.D.)

Dr. Anthony Musni , MD

Internal Medicine - Cardiovascular Disease

NPI 1760539126

Doctor of Medicine (M.D.)

Dr. Abinav Baweja , MD

Internal Medicine - Medical Oncology

NPI 1770961575

Doctor of Medicine (M.D.)

Dr. Jyothi Ratti , MD

Internal Medicine

NPI 1801910138

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
📍
Updated Practice Location August 26, 2025

Registered at 5565 W LAS POSITAS BLVD STE 260, PLEASANTON, CA 945885807 (Tel: 9254165470)

📍
Updated Business Mailing Address August 26, 2025

Registered at 5565 W LAS POSITAS BLVD STE 260, PLEASANTON, CA 945885807 (Tel: 9254165470)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 26, 2025

Colon & Rectal Surgery (License #G64755 in CA)

📍
Updated Practice Location June 28, 2021

Registered at 3901 LONE TREE WAY, ANTIOCH, CA 945096200 (Tel: 9257561192)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 28, 2021

Surgery (License #482751 in CA)

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 1425 S MAIN ST, WALNUT CREEK, CA 945965318 (Tel: 9252954000)

📍
Updated Business Mailing Address July 08, 2007

Registered at 1800 HARRISON ST FL 7, OAKLAND, CA 946123429 (Tel: 5106256262)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as SAMUEL LIU, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Colon & Rectal Surgery (License #G64755 in CA)

🟢
Initial NPI Registration & Enumeration November 02, 2006

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

NPI Number: 1790863884
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 02, 2006
Last Update: August 26, 2025
Sole Proprietor: No

Mailing Address

5565 W Las Positas Blvd Ste 260

Pleasanton, CA 945885807

Phone: 9254165470

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.