Quin Liu, M.D.
Pediatric Gastroenterology Physician · Los Angeles, CA
Quin Liu, M.D. is a pediatric gastroenterology physician with a practice address in Los Angeles, California, and NPI 1336446244, issued on Feb 12, 2011. Check the license (California A94917, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Quin Liu
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License number
- A94917 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 361-5924
- Enumerated
- Feb 12, 2011
- Record last updated
- Feb 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (323) 361-3718
- Medicare enrollment
- Enrolled (PECOS I20131219001560); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 264 in California → Look up another NPI →
Also registered at 4650 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Etai Adam, M.D.Pediatrics Physician1578811998
Verify Quin Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average pediatric gastroenterology physician in 2024
117 Medicare Part D claims for 42 beneficiaries, against an average of 42 among the 289 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Ursodiol26 claims
- Ciprofloxacin Hcl15 claims
- Creon13 claims
- Omeprazole13 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): 87.7 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: $312.35
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 1,184 providers of this specialty with any payment received $2,585.05 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.
One hospital affiliation
- Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Quin Liu among 264 pediatric gastroenterology physician records in California
Quin Liu, M.D. is one of 264 pediatric gastroenterology physician records with a practice address in California. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 31% newer
- In a Medicare fileYes · 62% of these records are
- In the CMS Doctors and Clinicians fileYes · 30% of these records are
- Graduated2004 · median 2007 among the 78 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in California
There are 264 pediatric gastroenterology physician records in California.
All 264 in California → Every provider in Los Angeles → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Vrinda Bhardwaj, M.D.Los Angeles, CA 900271972797959
- Beth Carter, MDLos Angeles, CA 900271679653000
- Martin Gilbert, MDLos Angeles, CA 900271457422354
- Rula Harb, MDLos Angeles, CA 900271316045156
- Rohit Kohli, MBBS, MSLos Angeles, CA 900271093887333
- Kattayoun Kordy, MDLos Angeles, CA 900271396917225
- Chuan Hao Lin, MDLos Angeles, CA 900271285734921
- Sonia Michail, MDLos Angeles, CA 900271629034665
Common questions
What is Quin Liu, M.D.'s NPI number?
Quin Liu, M.D.'s National Provider Identifier (NPI) is 1336446244, issued on Feb 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Quin Liu, M.D. located?
The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 361-5924. Providers update this record themselves, so call before visiting.
How can I verify Quin Liu, M.D.'s license?
NPPES lists California license number A94917, 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 Quin Liu, M.D. prescribe under Medicare Part D?
In 2024, Quin Liu, M.D. had 117 Medicare Part D claims for 42 beneficiaries; the average among pediatric gastroenterology physician prescribers was 42. Part D covers Medicare prescriptions only.
What is Quin Liu, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.7 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.