Hayoon Kim, M.D.
Family Medicine Physician · Whittier, CA
Hayoon Kim, M.D. is a family medicine physician with a practice address in Whittier, California, and NPI 1407268550, issued on May 23, 2014. Check the license (California A148768, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hayoon Kim
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A148768 CA
0116026787 VA
Self-reported in NPPES; status is on the state search - Practice location
- 12470 Whittier Blvd, Whittier, CA 90602
- Phone
- (800) 907-3531
- Enumerated
- May 23, 2014
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171218002831); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 12470 Whittier Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicholas Chiou, MDPediatrics Physician1154680874
- In Kyu ChoiFamily Medicine Physician1578908521
- Carrie ChowFamily Medicine Physician1023471265
- Liza Eriguel, PHARM.D.Pharmacist1144399122
Verify Hayoon Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 52% of the cost of the top drugs
1,064 Medicare Part D claims for 369 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Atorvastatin Calcium102 claims
- Amlodipine Besylate44 claims
- Metformin Hcl35 claims
- Naproxen35 claims
- Abrysvo29 claims
- Doxycycline Monohydrate29 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).
Hayoon Kim among 17,133 family medicine physician records in California
Hayoon Kim, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2012 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
87 family medicine physician records list a practice address in Whittier
They are 87 of the 2,836 NPPES records with a practice address in Whittier, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Whittier → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Chung-Lien Chen, M.D.Whittier, CA 906021558465930
- Lowryn De Castro, FNPWhittier, CA 906021497098768
- Fernando Gonzales, M.D.Whittier, CA 906021346343225
- Annette Guerrero, M.D.Whittier, CA 906021265476162
- Timothy Howell, M.D.Whittier, CA 906021568750073
- Adeliza Jimenez, M.D.Whittier, CA 906021700029949
- Joseph Kang, MDWhittier, CA 906021982636288
- Rachel Kaplan, D.O.Whittier, CA 906021699017061
Common questions
What is Hayoon Kim, M.D.'s NPI number?
Hayoon Kim, M.D.'s National Provider Identifier (NPI) is 1407268550, issued on May 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Hayoon Kim, M.D. located?
The NPPES record lists a practice address at 12470 Whittier Blvd, Whittier, CA, 90602. Phone: (800) 907-3531. Providers update this record themselves, so call before visiting.
How can I verify Hayoon Kim, M.D.'s license?
NPPES lists California license number A148768, 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 Hayoon Kim, M.D. prescribe under Medicare Part D?
In 2024, Hayoon Kim, M.D. had 1,064 Medicare Part D claims for 369 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.