Active NPI 1043451073 Individual Practitioner Male Practitioner

Dr. Ryan S Hsi , MD

Urology • Orange, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Ryan Hsi, MD is a certified Urology practicing in Orange, CA. With approximately 17 years of clinical experience since graduating from Loma Linda University School Of Medicine in 2009, Dr. Hsi delivers high-quality medical care to the local community at PO BOX 14091.

Dr. Hsi maintains professional affiliations with Vanderbilt University Medical Center, Uci Department Of Urology and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope, imaging of urinary tract. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

Po Box 14091

Orange, CA 928631491

Telephone 7144568888

Associated Practice Facility / Clinic

🏢 Uc Irvine Medical Center Facility NPI 1972461408

Medicare Profile & Education

Medical School

Loma Linda University School Of Medicine

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Urology in Orange, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs -3.1 yrs vs City Avg

City Avg: 20.1 Yrs

State Avg: 27.5 Yrs

Regional Practice Density

58 Specialists

Practicing in Orange, CA (1624 Statewide)

Telehealth Adoption Rate

46.6% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

81.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hsi (17 Years) 17 Yrs

Orange Specialty Average (20.1 Years) 20.1 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
99213 Established patient office or other outpatient visit, typically 15 minutes	69	67	$212.00	$64.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	55	49	$318.00	$94.18
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	49	49	$844.00	$136.98
74420 Imaging of urinary tract	46	36	$161.00	$23.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$492.00	$124.01
50081 Removal or crushing kidney stone (over 2 centimeters) or insert kidney stent using an endoscope, accessed through the skin	33	29	$4498.33	$1039.22
74420 Imaging of urinary tract	32	25	$161.00	$23.72
50437 Enlargement of existing opening into urinary tract accessed through skin and creation of new access into urine collecting system of kidney, using imaging guidance	31	29	$792.00	$113.22
52332 Insertion of stent in urinary duct (ureter) using an endoscope	21	18	$1740.10	$80.21
52332 Insertion of stent in urinary duct (ureter) using an endoscope	20	14	$2300.49	$124.81
52356 Crushing of stone of ureter with insertion of stent using an endoscope	18	18	$1554.37	$396.12
52356 Crushing of stone of ureter with insertion of stent using an endoscope	18	18	$1510.17	$321.44
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	17	$429.00	$138.90
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	$618.00	$173.29
52352 Removal or manipulation of stone in ureter or kidney using an endoscope	11	11	$1314.91	$226.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	84	$212.00	$61.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	55	$318.00	$87.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$492.00	$125.88
74420 Imaging of urinary tract	46	41	$160.96	$22.47
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	29	29	$845.03	$135.33
36415 Insertion of needle into vein for collection of blood sample	28	24	$25.00	$8.40
52332 Insertion of stent in urinary duct (ureter) using an endoscope	27	22	$2294.64	$116.29
74420 Imaging of urinary tract	25	24	$161.00	$23.49
50081 Removal or crushing kidney stone (over 2 centimeters) or insert kidney stent using an endoscope, accessed through the skin	23	23	$5018.86	$1086.62
52356 Crushing of stone of ureter with insertion of stent using an endoscope	20	20	$1624.35	$388.69
50437 Enlargement of existing opening into urinary tract accessed through skin and creation of new access into urine collecting system of kidney, using imaging guidance	17	17	$797.24	$116.11
52356 Crushing of stone of ureter with insertion of stent using an endoscope	14	14	$1562.79	$325.83
52000 Diagnostic exam of bladder and urethra using an endoscope	14	14	$710.43	$74.74
52332 Insertion of stent in urinary duct (ureter) using an endoscope	11	11	$2008.30	$107.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	146	116	$212.00	$62.93
36415 Insertion of needle into vein for collection of blood sample	63	56	$25.00	$2.96
74420 Imaging of urinary tract	39	30	$84.03	$23.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	36	36	$492.00	$124.70
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	30	29	$844.00	$141.74
52332 Insertion of stent in urinary duct (ureter) using an endoscope	24	15	$2124.70	$146.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$318.00	$94.09
50432 Placement of tube of kidney using imaging guidance with review by radiologist	20	19	$2719.50	$107.70
52356 Crushing of stone of ureter with insertion of stent using an endoscope	19	19	$1688.91	$420.79
52000 Diagnostic exam of bladder and urethra using an endoscope	19	18	$710.00	$68.96
52356 Crushing of stone of ureter with insertion of stent using an endoscope	16	14	$1624.35	$427.08
50081 Removal or crushing kidney stone (over 2 centimeters) or insert kidney stent using an endoscope, accessed through the skin	16	15	$4859.80	$1249.69
74420 Imaging of urinary tract	13	12	$82.00	$22.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	85	$212.00	$63.10
36415 Insertion of needle into vein for collection of blood sample	43	42	$25.00	$2.93
74420 Imaging of urinary tract	36	29	$82.00	$23.81
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$492.00	$128.10
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	28	28	$844.00	$143.39
52332 Insertion of stent in urinary duct (ureter) using an endoscope	23	16	$2166.52	$170.58
74420 Imaging of urinary tract	23	20	$82.00	$24.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	22	$318.00	$91.01
52356 Crushing of stone of ureter with insertion of stent using an endoscope	22	19	$1651.47	$396.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	19	$429.00	$133.19
50432 Placement of tube of kidney using imaging guidance with review by radiologist	18	16	$2733.89	$86.77
99213 Established patient office or other outpatient visit, typically 15 minutes	15	13	$212.00	$64.87
52000 Diagnostic exam of bladder and urethra using an endoscope	14	14	$710.00	$76.76
50081 Removal or crushing kidney stone (over 2 centimeters) or insert kidney stent using an endoscope, accessed through the skin	13	11	$5063.71	$1277.86
52356 Crushing of stone of ureter with insertion of stent using an endoscope	12	12	$1690.65	$447.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	114	113	$844.00	$138.68
99213 Established patient office or other outpatient visit, typically 15 minutes	102	89	$200.97	$48.30
74420 Imaging of urinary tract	72	60	$82.00	$23.49
52332 Insertion of stent in urinary duct (ureter) using an endoscope	40	30	$2076.25	$137.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$440.43	$119.36
52356 Crushing of stone of ureter with insertion of stent using an endoscope	29	24	$1929.56	$430.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$297.53	$71.42
74485 Review by radiologist of ureter or urethra image	16	15	$121.00	$38.09
52352 Removal or manipulation of stone in ureter or kidney using an endoscope	16	15	$1696.00	$281.32
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$409.50	$103.50
52000 Diagnostic exam of bladder and urethra using an endoscope	14	13	$710.00	$72.29
50081 Removal or crushing kidney stone (over 2 centimeters) or insert kidney stent using an endoscope, accessed through the skin	13	12	$4621.91	$1202.47
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	$575.09	$163.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	124	108	$176.00	$48.00
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	101	101	$844.00	$139.32
74420 Imaging of urinary tract	90	74	$82.00	$24.80
52332 Insertion of stent in urinary duct (ureter) using an endoscope	63	47	$1856.10	$120.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$401.00	$121.78
52356 Crushing of stone of ureter with insertion of stent using an endoscope	28	28	$1629.09	$408.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	25	$260.00	$71.61
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	19	18	$350.00	$106.88
52000 Diagnostic exam of bladder and urethra using an endoscope	15	13	$710.00	$73.70
74485 Review by radiologist of ureter or urethra image	15	15	$121.00	$39.47
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	$500.00	$161.48
52351 Diagnostic examination of the bladder, bladder canal (urethra), and urinary duct (ureter) or kidney using an endoscope	14	12	$1089.00	$260.54
52005 Insertion of tube into ureter using an endoscope through bladder area	11	11	$972.00	$75.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	110	95	$173.05	$47.38
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	60	58	$833.65	$137.59
74420 Imaging of urinary tract	55	47	$80.85	$16.84
52356 Crushing of stone of ureter with insertion of stent using an endoscope	42	36	$1655.54	$403.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$396.00	$110.16
52332 Insertion of stent in urinary duct (ureter) using an endoscope	28	20	$1906.76	$129.35
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	22	$344.74	$98.83
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$493.45	$159.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	20	$254.55	$72.60
52352 Removal or manipulation of stone in ureter or kidney using an endoscope	11	11	$1360.73	$247.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	78	64	$170.00	$46.77
74420 Imaging of urinary tract	69	56	$79.00	$16.58
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope	44	43	$817.00	$141.96
52356 Crushing of stone of ureter with insertion of stent using an endoscope	43	36	$1531.84	$406.27
52332 Insertion of stent in urinary duct (ureter) using an endoscope	36	28	$1698.39	$96.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$388.00	$118.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	27	26	$252.00	$73.49
81002 Urinalysis, manual test	15	13	$13.00	$3.43
74485 Review by radiologist of ureter or urethra image	15	12	$117.00	$25.16
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$170.00	$68.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$252.00	$72.00
52352 Removal or manipulation of stone in ureter or kidney using an endoscope	14	13	$1434.86	$268.93
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	11	11	$339.00	$105.27

Medical Specialties & State Licenses

CMS Verified: 2025-10-01

Urology Primary Specialty

NUCC Taxonomy Code: 208800000X

State License CA A134875

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

Urology

NUCC Taxonomy Code: 208800000X

State License TN 54165

Hospital & Practice Group Affiliations

Vanderbilt University Medical Center

6002 Hwy 100, Nashville, TN 372052821

Phone: 6159369360

Uci Department Of Urology

101 The City Dr S, Orange, CA 928683201

Phone: 7144566054

Secondary Practice Locations

3601 The Vanderbilt Clinic

Nashville, TN 372325100

Phone: 6153223000

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Maryam Ahmadi , MD

Pathology - Clinical Pathology/Laboratory Medicine

NPI 1003497678

Doctor of Medicine (M.D.)

Dr. Theodore Pak , MD, PhD

Internal Medicine - Infectious Disease

NPI 1013476100

Doctor of Medicine (M.D.), Doctor of Philosophy (Ph.D.)

Dr. Samuel Park , MD

Anesthesiology - Pain Medicine

NPI 1023174752

Doctor of Medicine (M.D.)

Dr. Ashkan Etemadian , MD

Hospitalist

NPI 1033355235

Doctor of Medicine (M.D.)

Erin Thurston

Family Medicine

NPI 1033571153

Nicole Creef , CRNA

Nurse Anesthetist, Certified Registered

NPI 1043983570

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

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

15 Historical Events

📍

Updated Practice Location October 01, 2025

Registered at PO BOX 14091, ORANGE, CA 928631491 (Tel: 7144568888)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 01, 2025

Urology (License #54165 in TN)

📍

Updated Business Mailing Address March 16, 2022

Registered at 3841 GREEN HILLS VILLAGE DR STE 200, NASHVILLE, TN 372152691 (Tel: 6153223000)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 16, 2022

Urology (License #A134875 in CA)

✅

NPI Profile Active February 07, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location February 07, 2017

Registered at 3601 THE VANDERBILT CLINIC, NASHVILLE, TN 372325100 (Tel: 6153223000)

📍

Updated Business Mailing Address February 07, 2017

Registered at 3601 THE VANDERBILT CLINIC, NASHVILLE, TN 372325100 (Tel: 6153223000)

👤

Provider Name / Credentials Updated February 07, 2017

Recorded as RYAN HSI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 07, 2017

Urology (License #54165 in TN)

✅

NPI Profile Active June 13, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location June 13, 2016

Registered at A-1302 MEDICAL CTR N, NASHVILLE, TN 372322765 (Tel: 6153430234)

📍

Updated Business Mailing Address June 13, 2016

Registered at A-1302 MEDICAL CTR N, NASHVILLE, TN 372322765 (Tel: 6154540234)

👤

Provider Name / Credentials Updated June 13, 2016

Recorded as RYAN HSI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 13, 2016

Urology (License #54165 in TN)

🟢

Initial NPI Registration & Enumeration March 22, 2009

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: 1043451073

Entity Type:

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

Enumeration Date: March 22, 2009

Last Update: October 01, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

3841 Green Hills Village Dr Ste 200

Nashville, TN 372152691

Phone: 6153223000

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.