Michael Gin Quon, M.D.
Gastroenterology Physician · Newhall, CA
Michael Gin Quon, M.D. is a gastroenterology physician with a practice address in Newhall, California, and NPI 1609802032, issued on Jun 25, 2006. Check the license (California G63134, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Gin Quon
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G63134 CA
Self-reported in NPPES; status is on the state search - Practice location
- 23928 Lyons Ave, Newhall, CA 91321
- Phone
- (661) 799-0615
- Enumerated
- Jun 25, 2006
- Record last updated
- Aug 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (661) 254-3185
- Medicaid ID
- 9653125 CA
- Medicare enrollment
- Enrolled (PECOS I20110111000594); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 23928 Lyons Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wendy Clough, M.D.Infectious Disease Physician1225077175
- Michael Jean, MDGastroenterology Physician1033163985
- Floyd Katske, M.D.Urology Physician1346340809
- Rajinder Kaushal, M.D.Gastroenterology Physician1285706259
Verify Michael Gin Quon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G63134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average gastroenterology physician in 2024
1,521 Medicare Part D claims for 417 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Pantoprazole Sodium289 claims
- Omeprazole283 claims
- Famotidine102 claims
- Peg 3350-Electrolyte102 claims
- Linzess53 claims
- Esomeprazole Magnesium50 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 MIPS final score for 2023 (Medicare payment program): 86.1 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).
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Gin Quon among 2,140 gastroenterology physician records in California
Michael Gin Quon, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1986 · median 2002 among the 1,538 with a school on file
- Record last updated2010 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 gastroenterology physician records list a practice address in Newhall
They are 4 of the 369 NPPES records with a practice address in Newhall, and 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Newhall → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Michael Jean, MDNewhall, CA 913211033163985
- Rajinder Kaushal, M.D.Newhall, CA 913211285706259
- Maria Sandra Umali, M.D.Newhall, CA 913211790817328
- Jay Krishnan, M.DNorthridge, CA 913241891972758
- Daniel Eshaghian, D.O.Northridge, CA 913251275943128
- Piyush Jogani, MDNorthridge, CA 913251730197609
- Gustavo Machicado, MDNorthridge, CA 913251568434652
- Suhail Salem, M.D.Northridge, CA 913251750547030
Common questions
What is Michael Gin Quon, M.D.'s NPI number?
Michael Gin Quon, M.D.'s National Provider Identifier (NPI) is 1609802032, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Gin Quon, M.D. located?
The NPPES record lists a practice address at 23928 Lyons Ave, Newhall, CA, 91321. Phone: (661) 799-0615. Providers update this record themselves, so call before visiting.
How can I verify Michael Gin Quon, M.D.'s license?
NPPES lists California license number G63134, 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 Gin Quon, M.D. prescribe under Medicare Part D?
In 2024, Michael Gin Quon, M.D. had 1,521 Medicare Part D claims for 417 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Michael Gin Quon, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.1 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), 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.