David Hwang, M.D.
Internal Medicine Physician · Anaheim, CA
David Hwang, M.D. is an internal medicine physician with a practice address in Anaheim, California, and NPI 1013063833, issued on Jan 26, 2007. Check the license (California A40132, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Hwang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A40132 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3010 W Orange Ave Ste 107, Anaheim, CA 92804
- Phone
- (714) 826-7330
- Enumerated
- Jan 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify David Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A40132Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,343 Medicare Part D claims for 78 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Amlodipine Besylate77 claims
- Ozempic69 claims
- Atorvastatin Calcium65 claims
- Losartan Potassium48 claims
- Jardiance44 claims
- Lisinopril44 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: $15.28
1 payment: food and beverage; the largest payer was Alkermes, Inc. 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.
David Hwang among 17,696 internal medicine physician records in California
David Hwang, 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 updated2007 · 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).
189 internal medicine physician records list a practice address in Anaheim
They are 189 of the 9,018 NPPES records with a practice address in Anaheim, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Anaheim → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Ruben Chin, M.D.Anaheim, CA 928041902829450
- Vincent Chiu, PHD MDAnaheim, CA 928041942309703
- Kamran Haghighat, MDAnaheim, CA 928041205826583
- Bee KyawAnaheim, CA 928041760498000
- Ching Lee, MDAnaheim, CA 928041821105321
- Rosalinda Loza, M.D.Anaheim, CA 928041730298688
Common questions
What is David Hwang, M.D.'s NPI number?
David Hwang, M.D.'s National Provider Identifier (NPI) is 1013063833, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Hwang, M.D. located?
The NPPES record lists a practice address at 3010 W Orange Ave Ste 107, Anaheim, CA, 92804. Phone: (714) 826-7330. Providers update this record themselves, so call before visiting.
How can I verify David Hwang, M.D.'s license?
NPPES lists California license number A40132, 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 David Hwang, M.D. prescribe under Medicare Part D?
In 2024, David Hwang, M.D. had 1,343 Medicare Part D claims for 78 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.