GRACE HWANG MD
NPI 1053720797
Surgery in Orange, CA

Active since August 06, 2014PECOS EnrolledAccepts Medicare Assignment
1010 W LA VETA AVE STE 470, ORANGE, CA 92868(714) 202-5682(714) 835-8304 Get Directions Write a Review

NPPES record last updated: March 16, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Grace Hwang Md NPPES

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

GRACE HWANG MD (NPI 1053720797) is an individual surgery provider in Orange, California, licensed in California (A125505) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2011).

NPPES Registry Identity

NPI1053720797
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameGRACE HWANGCredential: MD
Location Address1010 W LA VETA AVE STE 470Orange, CA 92868-4305
Mailing Address1010 W La Veta Ave Ste 470Orange, CA 92868-4305 · (714) 202-5682 · Fax (714) 835-8304
Fax(714) 835-8304
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 2011
Enumeration DateAugust 6, 2014
Last NPPES UpdateMarch 16, 2020
NPPES CertifiedMarch 16, 2020
✔ NPI 1053720797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A125505
Definition
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.
1010 W LA VETA AVE STE 470, Orange, CA 92868

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

Grace Hwang 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 ID4082832159
PECOS Enrollment IDI20140903000273
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 Reassignments

3

Medicare enrollment records show Grace Hwang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
1010 W LA VETA AVE STE 470
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
Surgery
1010 W LA VETA AVE STE 470
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group
Pediatrics
600 NW 11TH ST STE E33
Hermiston, OR 97838
  • Reassigned Medicare billing, Oregon enrollment
  • Also billed through NPI 1295789667 (Oregon)
  • 344 clinicians in this Medicare group

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 9

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.
46 services34 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
43 services41 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
43 services27 patients
Diagnostic exam of anus using an endoscope 46600
This procedure involves using a thin, flexible instrument called an endoscope to examine the anal area. It helps detect any abnormal conditions or issues. It's a safe, routine exam performed by a healthcare professional.
29 services27 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.
28 services28 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
23 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385
DME-Orthotic Devices · category DF010N
3 suppliers12 claims240 services$4.93 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
2 suppliers11 claims220 services$8.47 avg. paid by Medicare
Skin barrier, wipes or swabs, each A5120
DME-Orthotic Devices · category DF010N
2 suppliers11 claims375 services$0.23 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 4

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

Surgery
1010 W LA VETA AVE STE 470
ORANGE, CA 92868
Surgery
1010 W LA VETA AVE STE 470
ORANGE, CA 92868
Surgery
1010 W LA VETA AVE STE 470
ORANGE, CA 92868
Surgery
1010 W LA VETA AVE STE 470
ORANGE, CA 92868

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 Grace Hwang's NPI number?

The NPI number for Grace Hwang is 1053720797. It was assigned to this individual provider in the NPPES registry on August 6, 2014.

Where is Grace Hwang located?

Grace Hwang practices at 1010 W La Veta Ave Ste 470, Orange, CA 92868. The listed phone number is (714) 202-5682.

What is Grace Hwang's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Grace Hwang enrolled in Medicare?

Yes. Grace Hwang 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.

Which organizations bill Medicare for Grace Hwang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grace Hwang reassigns Medicare benefits to 3 organizations: Grace S Hwang MD Inc (Orange, CA), Orange Surgical Associates (Orange, CA) and Good Shepherd Health Care System (Hermiston, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grace Hwang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Grace Hwang was last updated on March 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.