DR. ANDREW RAY HSU MD
NPI 1497983761
Orthopaedic Surgery - Foot and Ankle Surgery in Orange, CA

Q: What is Andrew Hsu's NPI number?

The NPI number for Andrew Hsu is 1497983761. It was assigned to this individual provider in the NPPES registry on June 25, 2009.

Q: What is Andrew Hsu's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Foot and Ankle Surgery, with taxonomy code 207XX0004X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Hsu was last updated on January 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.

Active since June 25, 2009PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

101 THE CITY DR S BLDG 29A, ORANGE, CA 92868(650) 906-8923 Get Directions Write a Review

NPPES record last updated: January 24, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Dr. Andrew Ray Hsu Md NPPES

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

DR. ANDREW RAY HSU MD (NPI 1497983761) is an individual foot and ankle surgery provider in Orange, California, licensed in California (A136753) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2009).

NPPES Registry Identity

NPI1497983761

Entity TypeIndividualMale

Primary Taxonomy207XX0004X

Provider Legal NameDR. ANDREW RAY HSUCredential: MD

Location Address101 THE CITY DR S BLDG 29AOrange, CA 92868-3201

Mailing Address101 The City Dr S Bldg 29aOrange, CA 92868-3201 · (704) 323-2000

Phone(650) 906-8923

Sole ProprietorNo

Medical School CMSStanford University School Of MedicineGraduated 2009

Enumeration DateJune 25, 2009

Last NPPES UpdateJanuary 24, 2025

NPPES CertifiedJanuary 24, 2025

✔ NPI 1497983761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Foot and Ankle SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XX0004X

License✔ Licensed in CA · A136753

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.

Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 2014-00906 (NC)

101 THE CITY DR S BLDG 29A, Orange, CA 92868

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Other Identifiers 2

Medicaid1497983761NC

MedicaidNC2098SC

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Andrew Ray Hsu Md 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 ID8628293396

PECOS Enrollment IDI20150827001691

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.

Medicare Billing Reassignment

Medicare enrollment records show Andrew Hsu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of California

0.1 mi

Orthopaedic Surgery

101 THE CITY DR S
Orange, CA 92868

Reassigned Medicare billing, California enrollment
61 clinicians in this Medicare group

NPI 1356399703 (714) 456-3905

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 21

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.

Removal of noncancer thickened skin growth, 2-4 growths 11056

This procedure involves the safe removal of 2-4 noncancerous thickened skin growths. It's typically done under local anesthesia. The process helps to alleviate discomfort and prevent potential complications. It's a standard, low-risk procedure.

431 services181 patients

Removal of fingernails or toenails, 6 or more nails 11721

This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.

422 services182 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.

292 services185 patients

Removal of noncancer thickened skin growth, 2-4 growths 11056

235 services118 patients

Removal of fingernails or toenails, 6 or more nails 11721

234 services119 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

226 services164 patients

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.

215 services135 patients

Simple separation of fingernail or toenail from nail bed, first nail 11730

This procedure involves the gentle removal of the first nail from its bed, often due to injury or infection. It's performed under local anesthesia to minimize discomfort. The nail will gradually regrow over time.

185 services163 patients

Simple separation of fingernail or toenail from nail bed, each additional nail 11732

This procedure involves the careful removal of a fingernail or toenail from its nail bed. It's commonly done to treat conditions like an ingrown nail or fungal infection. Additional nails can also be removed if necessary. The process is typically painless due to local anesthesia.

168 services149 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

141 services86 patients

Simple separation of fingernail or toenail from nail bed, first nail 11730

113 services99 patients

Simple separation of fingernail or toenail from nail bed, each additional nail 11732

109 services95 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.

86 services86 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

71 services71 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

30 services30 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

27 services27 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

23 services18 patients

Removal of fingernails or toenails, 1-5 nails 11720

This procedure involves the careful removal of 1-5 nails from fingers or toes. It's typically done to treat conditions like ingrown nails, fungal infections, or damaged nails. Local anesthesia is used for comfort, and the area heals over time with appropriate care.

23 services12 patients

Removal of muscle and/or tissue, 20.0 sq cm or less 11043

This procedure involves the surgical removal of a specified area (20.0 sq cm or less) of muscle and/or tissue. It's typically done to treat conditions like tumors, infections, or injuries. Local or general anesthesia ensures comfort. Recovery time varies.

18 services14 patients

Aspiration and/or injection of fluid from medium joint 20605

This procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.

17 services11 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

15 services14 patients

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.4

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 4

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

For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500

DME-Orthotic Devices · category DF000N

8 suppliers34 claims68 services$61.33 avg. paid by Medicare

For diabetics only, multiple density insert, direct formed, molded to foot after external heat source of 230 degrees fahrenheit or higher, total contact with patient's foot, including arch, base layer minimum of 1/4 inch material of shore a 35 durometer or 3/16 inch material of shore a 40 durometer (or higher), prefabricated, each A5512

DME-Orthotic Devices · category DF000N

6 suppliers15 claims78 services$24.93 avg. paid by Medicare

For diabetics only, multiple density insert, custom molded from model of patient's foot, total contact with patient's foot, including arch, base layer minimum of 3/16 inch material of shore a 35 durometer (or higher), includes arch filler and other shaping material, custom fabricated, each A5513

DME-Orthotic Devices · category DF000N

5 suppliers16 claims80 services$37.45 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

2 suppliers16 claims18 services$14.83 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JUSTIN HAGHVERDIAN MD

Orthopaedic Surgery (Foot and Ankle Surgery)