Michael Soonwon Hwang, M.D.
Child & Adolescent Psychiatry Physician · Newport Beach, CA
Michael Soonwon Hwang, M.D. is a child & adolescent psychiatry physician with a practice address in Newport Beach, California, and NPI 1336382316, issued on Apr 7, 2009. Check the license (California A121559, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Soonwon Hwang
- Credential
- M.D.
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- A121559 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3620 Birch St Ste 210, Newport Beach, CA 92660
- Phone
- (949) 207-6775
- Enumerated
- Apr 7, 2009
- Record last updated
- Apr 13, 2026
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Verify Michael Soonwon Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A121559Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
12 Medicare Part D claims, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Michael Soonwon Hwang among 1,009 child & adolescent psychiatry physician records in California
Michael Soonwon Hwang, M.D. is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Newport Beach → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Amada Almase, M.D.Newport Beach, CA 926601194748582
- Cat Dang, D.O.Newport Beach, CA 926601992863955
- Linda Do, D.O.Newport Beach, CA 926601689990434
- Carolyn Nguyen, MDNewport Beach, CA 926601306005301
- Sina Safahieh, MDNewport Beach, CA 926601700014404
- David Safani, MD, MBANewport Beach, CA 926601003133521
- Michael Tramell, MDNewport Beach, CA 926601063594687
- James Hogrebe, M.DNewport Beach, CA 926631023150265
Common questions
What is Michael Soonwon Hwang, M.D.'s NPI number?
Michael Soonwon Hwang, M.D.'s National Provider Identifier (NPI) is 1336382316, issued on Apr 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Michael Soonwon Hwang, M.D. located?
The NPPES record lists a practice address at 3620 Birch St Ste 210, Newport Beach, CA, 92660. Phone: (949) 207-6775. Providers update this record themselves, so call before visiting.
How can I verify Michael Soonwon Hwang, M.D.'s license?
NPPES lists California license number A121559, 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 Michael Soonwon Hwang, M.D. prescribe under Medicare Part D?
In 2024, Michael Soonwon Hwang, M.D. had 12 Medicare Part D claims; the average among child & adolescent psychiatry physician prescribers was 504. 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.