Hung-Min Sung, M.D.
Internal Medicine Physician · Santa Ana, CA
Hung-Min Sung, M.D. is an internal medicine physician with a practice address in Santa Ana, California, and NPI 1063692150, issued on Nov 6, 2007. Check the license (California A31399, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hung-Min Sung
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A31399 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2621 S Bristol St, Santa Ana, CA 92704
- Phone
- (714) 754-0310
- Enumerated
- Nov 6, 2007
- Record last updated
- Mar 12, 2026
- Fax
- (714) 754-6460
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2621 S Bristol St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paul Han, DPMFoot & Ankle Surgery Podiatrist1972506988
- Alan Schwartz, MDInternal Medicine Physician1023183480
- Anil Shah, M.D.Specialist1619997368
Verify Hung-Min Sung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A31399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average internal medicine physician in 2024
4,743 Medicare Part D claims for 256 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 91 claims were for opioids.
Most prescribed
- Atorvastatin Calcium213 claims
- Metformin Hcl203 claims
- Rosuvastatin Calcium200 claims
- Losartan Potassium186 claims
- Levothyroxine Sodium181 claims
- Amlodipine Besylate171 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: $3,011.33
53 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Hung-Min Sung among 17,696 internal medicine physician records in California
Hung-Min Sung, 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 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).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Ana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ronnie Alas, M.D.Santa Ana, CA 927041306267026
- Robert Castro, DOSanta Ana, CA 927041285777813
- Robin Hatam, D.O.Santa Ana, CA 927041194053785
- Iyad Houshan, M.D.Santa Ana, CA 927041497773287
- Wesam Houshan, MDSanta Ana, CA 927041356467112
- Ajay Meka, M.D.Santa Ana, CA 927041063527976
- Meena Meka, M.D.Santa Ana, CA 927041013338722
- Madhavi Mulye, M.D.Santa Ana, CA 927041205056470
Common questions
What is Hung-Min Sung, M.D.'s NPI number?
Hung-Min Sung, M.D.'s National Provider Identifier (NPI) is 1063692150, issued on Nov 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hung-Min Sung, M.D. located?
The NPPES record lists a practice address at 2621 S Bristol St, Santa Ana, CA, 92704. Phone: (714) 754-0310. Providers update this record themselves, so call before visiting.
How can I verify Hung-Min Sung, M.D.'s license?
NPPES lists California license number A31399, 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 Hung-Min Sung, M.D. prescribe under Medicare Part D?
In 2024, Hung-Min Sung, M.D. had 4,743 Medicare Part D claims for 256 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.