Justin Hwang, DO
Family Medicine Physician · Santa Barbara, CA
Justin Hwang, DO is a family medicine physician with a practice address in Santa Barbara, California, and NPI 1912388950, issued on Jun 16, 2015. Check the license (California 20A17134, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Justin Hwang
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A17134 CA
Self-reported in NPPES; status is on the state search - Practice location
- 122 S Patterson Ave, Santa Barbara, CA 93111
- Phone
- (805) 681-1733
- Enumerated
- Jun 16, 2015
- Record last updated
- Feb 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200220001124); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 122 S Patterson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olivia Bajor, DOFamily Medicine Physician1972544880
- Joseph Carastro, DMD, MSOrthodontics and Dentofacial Orthopedics Dentistry1730294471
- Michael Carley, D.D.S.Dentist1386859379
- Robert Carmody, D.D.S.Dentist1912178807
- Joseph Garofalo, D.P.M.Podiatrist1750476651
- Jacqueline Guerra, M.D.Internal Medicine Physician1649685074
Verify Justin Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average family medicine physician in 2024
5,943 Medicare Part D claims for 543 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 135 claims were for opioids.
Most prescribed
- Atorvastatin Calcium323 claims
- Levothyroxine Sodium273 claims
- Furosemide203 claims
- Eliquis202 claims
- Lisinopril178 claims
- Amlodipine Besylate170 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
- Sansum ClinicSanta Barbara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
90 family medicine physician records list a practice address in Santa Barbara
They are 90 of the 5,328 NPPES records with a practice address in Santa Barbara, and 17,133 family medicine physician records in California.
All 90 in Santa Barbara → All 17,133 in California → Every provider in Santa Barbara →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Justin Hwang, DO's NPI number?
Justin Hwang, DO's National Provider Identifier (NPI) is 1912388950, issued on Jun 16, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Justin Hwang, DO located?
The NPPES record lists a practice address at 122 S Patterson Ave, Santa Barbara, CA, 93111. Phone: (805) 681-1733. Providers update this record themselves, so call before visiting.
How can I verify Justin Hwang, DO's license?
NPPES lists California license number 20A17134, 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 Justin Hwang, DO prescribe under Medicare Part D?
In 2024, Justin Hwang, DO had 5,943 Medicare Part D claims for 543 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.