Active NPI 1174601256 Individual Practitioner Male Practitioner

Dr. Rock Chen Chun Liu , MD

Surgery • Hayward, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Rock Liu, MD is a certified Surgery practicing in Hayward, CA. With approximately 27 years of clinical experience since graduating from Ohio State University College Of Medicine in 1999, Dr. Liu delivers high-quality medical care to the local community at 27206 CALAROGA AVE STE 206.

Dr. Liu is affiliated with Bass Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, repair of groin hernia using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

27206 Calaroga Ave Ste 206

Hayward, CA 945454300

Telephone 5107325731

Fax 5107325739

Medicare Profile & Education

Medical School

Ohio State University College Of Medicine

Graduation Year

1999

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Hayward, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

27 Yrs Matches City Avg

City Avg: 27.0 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

5 Specialists

Practicing in Hayward, CA (3346 Statewide)

Telehealth Adoption Rate

20.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

68.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Liu (27 Years) 27 Yrs

Hayward Specialty Average (27.0 Years) 27.0 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	102	102	$585.00	$197.18
99213 Established patient office or other outpatient visit, typically 15 minutes	91	71	$325.00	$108.34
49650 Repair of groin hernia using an endoscope	45	45	$1578.16	$590.90
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	42	35	$635.00	$214.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	39	$460.00	$153.26
15734 Creation of muscle graft to trunk	39	21	$4636.00	$1287.12
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	29	29	$770.00	$249.32
76705 Limited ultrasound scan of abdomen	22	22	$109.64	$30.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	21	$200.00	$69.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$397.00	$133.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	69	64	$325.00	$107.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	58	58	$581.69	$194.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	47	$460.00	$150.92
49650 Repair of groin hernia using an endoscope	38	37	$1422.89	$559.98
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	36	36	$770.00	$255.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	30	27	$635.00	$209.98
15734 Creation of muscle graft to trunk	25	14	$4636.00	$1309.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$391.00	$132.43
76705 Limited ultrasound scan of abdomen	12	12	$99.00	$31.51
49324 Insertion of abdominal cavity catheter using an endoscope	11	11	$1145.00	$421.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	83	83	$585.00	$195.44
99213 Established patient office or other outpatient visit, typically 15 minutes	82	63	$325.00	$108.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	35	$460.00	$151.80
49650 Repair of groin hernia using an endoscope	36	36	$1471.31	$549.19
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	35	35	$770.00	$257.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$397.00	$132.11
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	23	$635.00	$212.52
15734 Creation of muscle graft to trunk	21	11	$4636.00	$1293.13
49324 Insertion of abdominal cavity catheter using an endoscope	14	14	$1145.00	$399.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	88	88	$581.40	$195.07
99213 Established patient office or other outpatient visit, typically 15 minutes	76	61	$322.00	$109.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	48	$455.28	$154.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$393.66	$133.28
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	34	34	$763.22	$259.43
49650 Repair of groin hernia using an endoscope	31	31	$1377.37	$505.39
15734 Creation of muscle graft to trunk	20	11	$4636.00	$1281.25
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	19	12	$237.00	$80.78
49324 Insertion of abdominal cavity catheter using an endoscope	19	19	$1159.25	$376.37
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	15	14	$632.98	$213.80
49326 Suture of internal abdominal lining using an endoscope	15	15	$556.35	$202.80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	11	$659.99	$225.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$578.01	$192.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	34	$388.29	$128.97
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$384.24	$127.91
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	24	23	$518.70	$171.53
49650 Repair of groin hernia using an endoscope	23	23	$1477.95	$490.78
99213 Established patient office or other outpatient visit, typically 15 minutes	20	18	$269.10	$85.86
99442 Telephone medical discussion with physician, 11-20 minutes	20	18	$93.68	$89.70
49324 Insertion of abdominal cavity catheter using an endoscope	12	12	$1313.34	$388.05
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$727.38	$236.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$578.31	$189.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$383.46	$126.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	33	$384.75	$127.56
49650 Repair of groin hernia using an endoscope	26	26	$1455.81	$487.98
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	20	$515.10	$169.13
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$723.21	$226.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	69	69	$383.46	$125.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	20	$384.75	$126.20
49650 Repair of groin hernia using an endoscope	22	22	$1455.81	$442.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$578.31	$189.85

Medical Specialties & State Licenses

CMS Verified: 2025-02-26

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A91143

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.

Hospital & Practice Group Affiliations

Bass Medical Group

1505 Saint Alphonsus Way, Alamo, CA 945071570

Phone: 9259326330

Bass Medical Group

2637 Shadelands Dr, Walnut Creek, CA 945982512

Bass Medical Group

2637 Shadelands Dr, Walnut Creek, CA 945982512

Phone: 9253784512

Bass Medical Group

365 Hawthorne Ave, Oakland, CA 946093115

Phone: 5104655523

Bass Medical Group

365 Lennon Ln, Walnut Creek, CA 945985915

Secondary Practice Locations

3010 Colby St Ste 118

Berkeley, CA 947052059

Phone: 5104860818

365 Hawthorne Ave Ste 101

Oakland, CA 946093115

Phone: 5104655523

Practice Associates & Co-Workers

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

1 Associated Practitioners

Johanna Ho , PA-C

Physician Assistant

NPI 1992227805

Physician Assistant (Certified)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location March 30, 2022

Registered at 27206 CALAROGA AVE STE 206, HAYWARD, CA 945454300 (Tel: 5107325731)

📍

Updated Business Mailing Address March 30, 2022

Registered at 27206 CALAROGA AVE STE 206, HAYWARD, CA 945454300 (Tel: 5107325731)

✅

NPI Profile Active January 19, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location January 19, 2015

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

📍

Updated Business Mailing Address January 19, 2015

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

👤

Provider Name / Credentials Updated January 19, 2015

Recorded as ROCK LIU, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 19, 2015

Surgery (License #A91143 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: 1174601256

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: November 02, 2006

Last Update: February 26, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

27206 Calaroga Ave Ste 206

Hayward, CA 945454300

Phone: 5107325731

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.