Hankyu Chung, M.D.
Internal Medicine Physician · San Jose, CA
Hankyu Chung, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1447367966, issued on Aug 23, 2006. Check the license (California A31980, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hankyu Chung
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A31980 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2039 Forest Ave, San Jose, CA 95128
- Phone
- (408) 297-8600
- Enumerated
- Aug 23, 2006
- Record last updated
- Aug 23, 2024
- Fax
- (408) 297-5643
- Medicare enrollment
- Enrolled (PECOS I20080325000628); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2039 Forest Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Allen Fong, M.D.Otolaryngology/Facial Plastic Surgery Physician1477834463
- Lewis Haut, MDNephrology Physician1760490510
- Alan Heller, M.D.Allergy Physician1831204882
- Gary Lawrence, PTPhysical Therapist1902889785
Verify Hankyu Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A31980Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average internal medicine physician in 2024
3,460 Medicare Part D claims for 305 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium314 claims
- Amlodipine Besylate214 claims
- Metformin Hcl Er200 claims
- Rosuvastatin Calcium158 claims
- Losartan Potassium157 claims
- Losartan-Hydrochlorothiazide121 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.
The MIPS final score for 2023 (Medicare payment program): 37.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- County OF Santa ClaraSan Jose, CA
- Inspire Medical Group OF California PCSunnyvale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hankyu Chung among 17,696 internal medicine physician records in California
Hankyu Chung, M.D. is one of 17,696 internal medicine 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1969 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
428 internal medicine physician records list a practice address in San Jose
They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Jose → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Alfonso Banuelos, MDSan Jose, CA 951281295720613
- Kimberly Bazar, MDSan Jose, CA 951281447225206
- Andrea Cervenka, MDSan Jose, CA 951281609841774
- Stephanie Chan, MDSan Jose, CA 951281639144538
- Alexander Chyorny, MDSan Jose, CA 951281750358016
- Sarah Cody, MDSan Jose, CA 951281568425437
- Vijaya Dudyala, M.DSan Jose, CA 951281477522589
- Eamonn Dunphy, MDSan Jose, CA 951281003878182
Common questions
What is Hankyu Chung, M.D.'s NPI number?
Hankyu Chung, M.D.'s National Provider Identifier (NPI) is 1447367966, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hankyu Chung, M.D. located?
The NPPES record lists a practice address at 2039 Forest Ave, San Jose, CA, 95128. Phone: (408) 297-8600. Providers update this record themselves, so call before visiting.
How can I verify Hankyu Chung, M.D.'s license?
NPPES lists California license number A31980, 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 Hankyu Chung, M.D. prescribe under Medicare Part D?
In 2024, Hankyu Chung, M.D. had 3,460 Medicare Part D claims for 305 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Hankyu Chung, M.D.'s MIPS final score?
The 2023 MIPS final score is 37.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.