Wonsick Choe
General Practice Physician · Walnut, CA
Wonsick Choe is a general practice physician with a practice address in Walnut, California, and NPI 1689070690, issued on Nov 18, 2014. Check the license (California C42362, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Wonsick Choe
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- C42362 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20627 Golden Springs Dr Ste 1B, Walnut, CA 91789
- Phone
- (909) 480-0200
- Enumerated
- Nov 18, 2014
- Record last updated
- Jan 5, 2026
- Fax
- (909) 480-0201
- Medicare enrollment
- Enrolled (PECOS I20170601001041); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Verify Wonsick Choe in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C42362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average general practice physician in 2024
2,027 Medicare Part D claims for 165 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 18 claims were for opioids.
Most prescribed
- Lisinopril197 claims
- Atorvastatin Calcium117 claims
- Metformin Hcl115 claims
- Amlodipine Besylate109 claims
- Simvastatin100 claims
- Albuterol Sulfate Hfa69 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.
Industry payments in 2024: $214.24
11 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Ampla HealthOroville, CA
- Jonah Medical Group IncDiamond Bar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Wonsick Choe among 1,956 general practice physician records in California
Wonsick Choe is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1997 · median 1994 among the 520 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Walnut → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Custodio Galicia, MDWalnut, CA 917891578988655
- Sadhna Dhand, M.D.West Covina, CA 917901033394531
- Brigida Guevara-Rebueno, M.D.,West Covina, CA 917901750329298
- Angela Ni, MDWest Covina, CA 917901962467423
- Catherine Noel-Uyloan, MDWest Covina, CA 917901891891537
- Madhu Sharma, MDWest Covina, CA 917901669430161
- Deborah Harper, M.D.West Covina, CA 917911306080643
- Sushil Anand, M.D.Upland, CA 917861548444250
Common questions
What is Wonsick Choe's NPI number?
Wonsick Choe's National Provider Identifier (NPI) is 1689070690, issued on Nov 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Wonsick Choe located?
The NPPES record lists a practice address at 20627 Golden Springs Dr Ste 1B, Walnut, CA, 91789. Phone: (909) 480-0200. Providers update this record themselves, so call before visiting.
How can I verify Wonsick Choe's license?
NPPES lists California license number C42362, 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 Wonsick Choe prescribe under Medicare Part D?
In 2024, Wonsick Choe had 2,027 Medicare Part D claims for 165 beneficiaries; the average among general practice physician prescribers was 3,030. 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.