HEESOOK CHOI NP
NPI 1679068845
Nurse Practitioner - Family in Costa Mesa, CA

Active since June 28, 2018PECOS EnrolledAccepts Medicare Assignment
1150 BAKER ST, COSTA MESA, CA 92626(714) 662-7517 Get Directions Write a Review

NPPES record last updated: September 21, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 21, 2020, May 28, 2019, May 25, 2019 and 1 more (4 updates tracked since 2018).

About Heesook Choi Np NPPES

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

HEESOOK CHOI NP (NPI 1679068845) is an individual family provider in Costa Mesa, California, licensed in California (95005947) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1679068845
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameHEESOOK CHOICredential: NP
Location Address1150 BAKER STCosta Mesa, CA 92626-4111
Mailing Address1150 Baker StCosta Mesa, CA 92626-4111 · (866) 389-2727 · Fax (401) 216-3854
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 28, 2018
Last NPPES UpdateSeptember 21, 20204 updates tracked since enumeration
NPPES CertifiedSeptember 21, 2020
✔ NPI 1679068845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95005947
1150 BAKER ST, Costa Mesa, CA 92626

Secondary Practice Locations 2

Location 12501 E Chapman AveOrange, CA 92869-3204 · Phone (714) 628-3300
Location 25630 E Santa Ana Canyon RdAnaheim, CA 92807-3122 · Phone (714) 257-6170

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

Heesook Choi Np 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 ID6204161961
PECOS Enrollment IDI20190717002405
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

2

Medicare enrollment records show Heesook Choi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Practitioner
14330 CULVER DR
Irvine, CA 92604
  • Reassigned Medicare billing, California enrollment
  • 212 clinicians in this Medicare group
Hematology & Oncology
1010 W LA VETA AVE STE 200
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 1,699 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 17

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.
259 services244 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.
224 services205 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
122 services15 patients
Injection, ceftriaxone sodium, per 250 mg J0696
Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.
62 services14 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
61 services58 patients
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635
This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.
59 services57 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92626 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

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

Pharmacist
1150 BAKER ST
COSTA MESA, CA 92626
Pharmacist
1150 BAKER ST
COSTA MESA, CA 92626
Nurse Practitioner (Family)
1150 BAKER ST
COSTA MESA, CA 92626
Nurse Practitioner (Family)
1150 BAKER ST
COSTA MESA, CA 92626
Nurse Practitioner (Family)
1150 BAKER ST
COSTA MESA, CA 92626
Nurse Practitioner (Family)
1150 BAKER ST
COSTA MESA, CA 92626
Nurse Practitioner (Family)
1150 BAKER ST
COSTA MESA, CA 92626
Pharmacy
1150 BAKER ST
COSTA MESA, CA 92626

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 Heesook Choi's NPI number?

The NPI number for Heesook Choi is 1679068845. It was assigned to this individual provider in the NPPES registry on June 28, 2018.

Where is Heesook Choi located?

Heesook Choi practices at 1150 Baker St, Costa Mesa, CA 92626. The listed phone number is (714) 662-7517.

What is Heesook Choi's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Heesook Choi enrolled in Medicare?

Yes. Heesook Choi 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 Heesook Choi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heesook Choi reassigns Medicare benefits to 2 organizations: Minuteclinic Diagnostic Medical Group Of Orange County Inc (Irvine, CA) and Providence Medical Foundation (Orange, CA). 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 Heesook Choi'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 Heesook Choi was last updated on September 21, 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.