Robert Kuen-Ruey Lin, MD
Gastroenterology Physician · Baldwin Park, CA
Robert Kuen-Ruey Lin, MD is a gastroenterology physician with a practice address in Baldwin Park, California, and NPI 1417028390, issued on Nov 13, 2006. Check the license (California A74286, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Kuen-Ruey Lin
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A74286 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Phone
- (626) 851-1011
- Enumerated
- Nov 13, 2006
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050923000504); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1011 Baldwin Park Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Julia Aburto-Erazo, NPNurse Practitioner1922175777
- Mauricio Acevedo, MDInternal Medicine Physician1659442614
- Helen Achio, PHARM.D.Pharmacist1225114614
- Olufemi Adenuga, M.D, MPHPulmonary Disease Physician1134389125
- Soma Agarwal, MDOphthalmology Physician1437220316
Verify Robert Kuen-Ruey Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74286Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average gastroenterology physician in 2024
876 Medicare Part D claims for 521 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Gavilyte-C399 claims
- Omeprazole91 claims
- Entecavir49 claims
- Mesalamine47 claims
- Famotidine37 claims
- Pantoprazole Sodium37 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
- Southern California Permanente Medical GroupBaldwin Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Kuen-Ruey Lin among 2,140 gastroenterology physician records in California
Robert Kuen-Ruey Lin, MD 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
- Graduated1999 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 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).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Baldwin Park → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jimmy Kang, MDBaldwin Park, CA 917061427106236
- Ernest Khine, MDBaldwin Park, CA 917061750452645
- Mark Kim, MDBaldwin Park, CA 917061679645154
- Vincent Ng, MDBaldwin Park, CA 917061376691352
- Ju-En ThlickBaldwin Park, CA 917061386878262
- Rody Yoshinaka, MDBaldwin Park, CA 917061033280946
- Jian Zhang, MDBaldwin Park, CA 917061710054549
- Hussain Al-Darsani, M.D.Chino, CA 917101669429775
Common questions
What is Robert Kuen-Ruey Lin, MD's NPI number?
Robert Kuen-Ruey Lin, MD's National Provider Identifier (NPI) is 1417028390, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Kuen-Ruey Lin, MD located?
The NPPES record lists a practice address at 1011 Baldwin Park Blvd, Baldwin Park, CA, 91706. Phone: (626) 851-1011. Providers update this record themselves, so call before visiting.
How can I verify Robert Kuen-Ruey Lin, MD's license?
NPPES lists California license number A74286, 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 Robert Kuen-Ruey Lin, MD prescribe under Medicare Part D?
In 2024, Robert Kuen-Ruey Lin, MD had 876 Medicare Part D claims for 521 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.