1. Home
  2. Directory
  3. California
  4. La Jolla
  5. Internal Medicine
  6. NPI Profile

SHARON HYONJU CHOI
NPI 1790277754
Internal Medicine - Hematology & Oncology in La Jolla, CA

Active since June 05, 2018PECOS EnrolledAccepts Medicare Assignment
3855 HEALTH SCIENCES DR, LA JOLLA, CA 92093(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: November 28, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Nov 28, 2025, Oct 11, 2024 (2 updates tracked since 2024).

About Sharon Hyonju Choi NPPES

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

SHARON HYONJU CHOI (NPI 1790277754) is an individual hematology & oncology provider in La Jolla, California, licensed in California (A166149) 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 University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2018).

NPPES Registry Identity

NPI1790277754
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameSHARON HYONJU CHOI
Location Address3855 HEALTH SCIENCES DRLa Jolla, CA 92093-9000
Mailing AddressFile 57326Los Angeles, CA 90074-0001
Phone(800) 926-8273
Fax(888) 539-8781
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2018
Enumeration DateJune 5, 2018
Last NPPES UpdateNovember 28, 20252 updates tracked since enumeration
NPPES CertifiedNovember 28, 2025
✔ NPI 1790277754 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A166149
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
3855 HEALTH SCIENCES DR, La Jolla, CA 92093
Open in Google Maps ↗

Secondary Practice Locations 2

Location 14250 1st AveSan Diego, CA 92103 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 2200 W Arbor DrSan Diego, CA 92103-9000 · Phone (800) 926-8273 · Fax (888) 539-8781

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

Sharon Hyonju Choi 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 ID5991237794
PECOS Enrollment IDI20241017003864
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92093 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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 20

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

THEODORE HOBART WELLING MD
Surgery
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (800) 926-8273
TANIA MARIE MAREK NP
Nurse Practitioner (Family)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (800) 926-8273
ARCHANA AJMERA RN, MSN, APRN-BC
Nurse Practitioner
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 822-6185
PAULA MICHELLE MESARWI MD
Internal Medicine (Hospice and Palliative Medicine)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 534-7079
DR. EVA HO PHARM.D.
Pharmacist
3855 HEALTH SCIENCES DR, RM1036 (MAIL CODE 0845)
LA JOLLA, CA 92093
San Diego County (858) 822-6088
DANIELA BRANCO
Student in an Organized Health Care Education/Training Program
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (920) 737-9398
JEREMY RICH M.D.
Psychiatry & Neurology (Neurology)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 822-6100
DR. ILA MAEWAL SAUNDERS PHARMD
Pharmacist (Oncology)
3855 HEALTH SCIENCES DR
LA JOLLA, CA 92093
San Diego County (858) 657-7000

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 Sharon Choi's NPI number?

The NPI number for Sharon Choi is 1790277754. It was assigned to this individual provider in the NPPES registry on June 5, 2018.

Where is Sharon Choi located?

Sharon Choi practices at 3855 Health Sciences Dr, La Jolla, CA 92093. The listed phone number is (800) 926-8273.

What is Sharon Choi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Sharon Choi enrolled in Medicare?

Yes. Sharon 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.

When was this NPI record last updated?

The NPPES record for Sharon Choi was last updated on November 28, 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.