James Hwang, MD
Gastroenterology Physician · Ridgecrest, CA
James Hwang, MD is a gastroenterology physician with a practice address in Ridgecrest, California, and NPI 1659803146, issued on Apr 3, 2017. Check the license (California A185481, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Hwang
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A185481 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1041 N China Lake Blvd, Ridgecrest, CA 93555
- Phone
- (760) 446-0121
- Enumerated
- Apr 3, 2017
- Entity
- Type 1 · individual
Also registered at 1041 N China Lake Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
21% fewer Medicare Part D claims than the average gastroenterology physician in 2024
674 Medicare Part D claims for 303 beneficiaries, against an average of 848 among the 13,066 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Pantoprazole Sodium107 claims
- Omeprazole97 claims
- Gavilyte-G70 claims
- Peg-3350 And Electrolytes51 claims
- Dicyclomine Hcl39 claims
- Famotidine28 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 practice group's Medicare quality score for 2023: 82.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $53.86
2 payments, mostly food and beverage; the largest payer was Takeda Pharmaceuticals U.S.A., Inc.. The 10,593 providers of this specialty with any payment received $4,948.62 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.
2 hospital and facility affiliations
- Ridgecrest Regional HospitalRidgecrest, CA · Critical Access Hospitals
- United Medical DoctorsMurrieta, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Gastroenterology Physician providers in California
There are 1,749 gastroenterology physician records in California.
Other gastroenterology physician records in California
- David Aarons, MDLodi, CA1619081379
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- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
- Safwat Absood, M.D.Modesto, CA1932113891
- Ronald Adamany, M.D.Mission Viejo, CA1992780688
Common questions
What is James Hwang, MD's NPI number?
James Hwang, MD's National Provider Identifier (NPI) is 1659803146, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is James Hwang, MD located?
The NPPES record lists a practice address at 1041 N China Lake Blvd, Ridgecrest, CA, 93555. Phone: (760) 446-0121. Providers update this record themselves, so call before visiting.
How can I verify James Hwang, MD's license?
NPPES lists California license number A185481, 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 James Hwang, MD prescribe under Medicare Part D?
In 2024, James Hwang, MD had 674 Medicare Part D claims for 303 beneficiaries; the average among gastroenterology physician prescribers was 848. Part D covers Medicare prescriptions only.
What is James Hwang, MD's Medicare quality score?
The 2023 MIPS final score is 82.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.