Active NPI 1629239165 Individual Practitioner Male Practitioner

Dr. Benjamin Leong , MD

Surgery • Riverside, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Benjamin Leong, MD is a certified Surgery practicing in Riverside, CA. With approximately 23 years of clinical experience since graduating from Medical College Of Ohio in 2003, Dr. Leong delivers high-quality medical care to the local community at 3660 PARK SIERRA DR.

Dr. Leong accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of 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

3660 Park Sierra Dr
Suite 105

Riverside, CA 925053071

Telephone 9512788870

Associated Practice Facility / Clinic

🏢 Namg Home Dialysis Llc Facility NPI 1013119064

Medicare Profile & Education

Medical School

Medical College Of Ohio

Graduation Year

2003

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Riverside, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

23 Yrs +1.3 yrs vs City Avg

City Avg: 21.7 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

57 Specialists

Practicing in Riverside, CA (3346 Statewide)

Telehealth Adoption Rate

1.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Leong (23 Years) 23 Yrs

Riverside Specialty Average (21.7 Years) 21.7 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	47	$404.91	$173.19
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	37	16	$280.90	$118.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	38	$613.56	$176.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	27	15	$397.23	$121.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$819.95	$202.96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	33	15	$423.69	$105.06
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$914.04	$230.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	73	30	$516.91	$106.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	53	51	$978.45	$206.54
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$787.50	$232.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	48	$512.24	$210.76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	39	19	$200.00	$108.45
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$485.71	$217.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	55	54	$500.00	$206.65
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	45	24	$200.00	$106.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	21	21	$482.14	$212.63
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$322.86	$169.39
33533 Coronary artery bypass using artery graft, 1 graft	13	13	$1564.46	$293.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	90	41	$226.21	$104.49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	67	66	$486.76	$202.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$323.50	$168.92
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$489.58	$207.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	90	41	$150.00	$102.50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	61	60	$350.00	$198.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$316.00	$181.18
47562 Removal of gallbladder using an endoscope	18	18	$3682.00	$606.09

Medical Specialties & State Licenses

CMS Verified: 2026-05-18

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A106797

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

195917301 (TX)

Commercial Insurance / Payer ID Bcbs

8AN623 (TX)

Commercial Insurance / Payer ID California Medical License

A106797 (CA)

Practice Associates & Co-Workers

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

16 Associated Practitioners

Dr. Massimo Arcerito , MD

Surgery

NPI 1023200409

Doctor of Medicine (M.D.)

Dr. Michael Chin , MD

Surgery

NPI 1114012648

Doctor of Medicine (M.D.)

Dr. Franklin Torres , MD

Surgery - Vascular Surgery

NPI 1114147592

Doctor of Medicine (M.D.)

Dr. Tom Lin , MD

Surgery

NPI 1194928002

Doctor of Medicine (M.D.)

Dr. James Pollack , MD

Surgery

NPI 1205845807

Doctor of Medicine (M.D.)

Dr. Xiu-Jie Wang , MD

Surgery - Vascular Surgery

NPI 1215135496

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active December 19, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location December 19, 2013

Registered at 3660 PARK SIERRA DR, SUITE 105, RIVERSIDE, CA 925053071 (Tel: 9512788870)

📍

Updated Business Mailing Address December 19, 2013

Registered at 2083 COMPTON AVE STE 103, CORONA, CA 928817288 (Tel: 9514688252)

👤

Provider Name / Credentials Updated December 19, 2013

Recorded as BENJAMIN LEONG, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 19, 2013

Surgery (License #A106797 in CA)

🟢

Initial NPI Registration & Enumeration June 18, 2008

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: 1629239165

Entity Type:

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

Enumeration Date: June 18, 2008

Last Update: May 18, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2083 Compton Ave Ste 103

Corona, CA 928817288

Phone: 9514688252

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.