Soo Hyun Choi, M.D.
Allergy & Immunology Physician · Irvine, CA
Soo Hyun Choi, M.D. is an allergy & immunology physician with a practice address in Irvine, California, and NPI 1851596779, issued on Jun 20, 2007. Check the license (California A110922, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Soo Hyun Choi
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- A110922 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Willard, Irvine, CA 92604
- Phone
- (888) 988-2800
- Enumerated
- Jun 20, 2007
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130111000408); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Also registered at 6 Willard
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen BuiPharmacist1124566013
- Jason Castillo, M.D.MOHS-Micrographic Surgery Physician1497098644
- Jun Ho Chae, M.D.Family Medicine Physician1003811969
- Anne Chandsawang, D.O.Family Medicine Physician1679756118
- Carren ChangPharmacist1891234696
- Annie ChauPharmacist1245778265
Verify Soo Hyun Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average allergy & immunology physician in 2024
846 Medicare Part D claims for 201 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Azelastine Hcl156 claims
- Montelukast Sodium97 claims
- Ipratropium Bromide93 claims
- Wixela Inhub81 claims
- Breyna78 claims
- Spiriva Respimat67 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Soo Hyun Choi among 444 allergy & immunology physician records in California
Soo Hyun Choi, M.D. is one of 444 allergy & immunology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 38% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2004 among the 281 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Irvine → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Francis Yu, M.D.Irvine, CA 926041184651283
- Christine Panganiban, MD, MSFoothill Ranch, CA 926101417310558
- Chongjia Chen, MDIrvine, CA 926181285021618
- Denis Yoshii, D.O.Costa Mesa, CA 926261124091814
- Kishore Vasant, M.D.Murrieta, CA 925621790711661
- Steven Weinstein, MDHuntington Beach, CA 926471518035120
- Vivian Aranez, M.D.Huntington Beach, CA 926481699032805
- Kristen Walters, MDAliso Viejo, CA 926561437442308
Common questions
What is Soo Hyun Choi, M.D.'s NPI number?
Soo Hyun Choi, M.D.'s National Provider Identifier (NPI) is 1851596779, issued on Jun 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Soo Hyun Choi, M.D. located?
The NPPES record lists a practice address at 6 Willard, Irvine, CA, 92604. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Soo Hyun Choi, M.D.'s license?
NPPES lists California license number A110922, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Soo Hyun Choi, M.D. prescribe under Medicare Part D?
In 2024, Soo Hyun Choi, M.D. had 846 Medicare Part D claims for 201 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.