RYAN S HSI M.D.
NPI 1043451073
Urology in Orange, CA

Active since March 22, 2009PECOS EnrolledAccepts Medicare Assignment
97.12/100
CMS Quality Rating
PO BOX 14091, ORANGE, CA 92863(714) 456-8888 Get Directions Write a Review

NPPES record last updated: October 1, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 15, 2020, Feb 7, 2017, Jun 13, 2016 and 2 more (5 updates tracked since 2015).

About Ryan S Hsi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RYAN S HSI M.D. (NPI 1043451073) is an individual urology provider in Orange, California, licensed in California (A134875) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Vanderbilt University Medical Center, and is a graduate of Loma Linda University School Of Medicine (2009).

NPPES Registry Identity

NPI1043451073
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameRYAN S HSICredential: M.D.
Location AddressPO BOX 14091Orange, CA 92863-1491
Mailing Address3841 Green Hills Village Dr Ste 200Nashville, TN 37215-2691 · (615) 322-3000
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2009
Enumeration DateMarch 22, 2009
Last NPPES UpdateOctober 1, 20255 updates tracked since enumeration
NPPES CertifiedOctober 1, 2025
NPI 1043451073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
Licenses Licensed in CA · A134875 Licensed in TN · 54165
Definition
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.
PO BOX 14091, Orange, CA 92863

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ryan S Hsi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608190467
PECOS Enrollment IDI20150709001211
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
69 services67 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
55 services49 patients
Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope 52310
This is a procedure to remove an object, stone, or tube from your urinary tract. An endoscope, a thin, flexible tube with a light and camera, is used to locate and remove the object. It is a safe and effective way to address the issue.
49 services49 patients
Imaging of urinary tract following injection of a contrast agent 74420
This procedure involves injecting a contrast agent into your body to help highlight the urinary tract during imaging. The contrast agent makes your urinary tract more visible on the images, providing detailed information about its structure and function. This can help in diagnosing any potential issues.
46 services36 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
41 services41 patients
Complex surgical treatment of kidney stone with imaging guidance 50081
This procedure involves using a thin tube (endoscope) to either remove or break down large kidney stones, or to place a small device (stent) that helps keep the urinary tract open. This is done to alleviate pain and improve kidney function.
33 services29 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Vanderbilt University Medical Center

Acute Care Hospitals · Nashville, TN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440039
Location1211 Medical Center DriveNashville, TN 37232 · Davidson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92863 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.64
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, each A4358
DME-Orthotic Devices · category DF000N
2 suppliers13 claims42 services$5.45 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Hsi's NPI number?

The NPI number for Ryan Hsi is 1043451073. It was assigned to this individual provider in the NPPES registry on March 22, 2009.

Where is Ryan Hsi located?

Ryan Hsi practices at PO Box 14091, Orange, CA 92863. The listed phone number is (714) 456-8888.

What is Ryan Hsi's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Ryan Hsi enrolled in Medicare?

Yes. Ryan Hsi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ryan Hsi accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 3 other insurers list Ryan Hsi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ryan Hsi affiliated with any hospitals?

According to CMS data, Ryan Hsi is affiliated with Vanderbilt University Medical Center.

When was this NPI record last updated?

The NPPES record for Ryan Hsi was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.