Pilsoo Oh, MD
Gastroenterology Physician · Los Angeles, CA
Pilsoo Oh, MD is a gastroenterology physician with a practice address in Los Angeles, California, and NPI 1043296866, issued on Dec 22, 2005. Check the license (California A100119, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Pilsoo Oh
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- A100119 CA
217683 MA
227789 MA
Self-reported in NPPES; status is on the state search - Practice location
- 520 S Virgil Ave, Los Angeles, CA 90020
- Phone
- (213) 368-0360
- Enumerated
- Dec 22, 2005
- Record last updated
- Sep 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (213) 368-0976
- Medicare enrollment
- Enrolled (PECOS I20101209000723); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2003
- 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 520 S Virgil Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yeagee ChoeAcupuncturist1497178701
- Eddie Choi, P.T.Physical Therapist1245390020
- Gregory Hong, MDCardiovascular Disease Physician1578668703
- Helen Kang, MDSurgery Physician1831367903
- Insoo Kim, DCChiropractor1053327650
- Jaehyun Kim, O.T.Occupational Therapist1942608302
Verify Pilsoo Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average gastroenterology physician in 2024
1,375 Medicare Part D claims for 776 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf324 claims
- Omeprazole262 claims
- Gavilyte-G232 claims
- Linzess55 claims
- Tenofovir Disoproxil Fumarate46 claims
- Peg-3350 And Electrolytes44 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): 60.7 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: $128.97
5 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- HO S Bae M D IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Pilsoo Oh among 2,140 gastroenterology physician records in California
Pilsoo Oh, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · 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).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Los Angeles → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ho Bae, M.D.Los Angeles, CA 900201053337998
- Pyoung Kwon, MDLos Angeles, CA 900201326054537
- Hyo-Rang Lee, M.D.,PH.DLos Angeles, CA 900201134205099
- Dae Rheem, M.D.Los Angeles, CA 900201295915585
- Yong Lee, M.D.Los Angeles, CA 900191972607364
- Adnan Ameer, M.D.Los Angeles, CA 900171346554201
- Elliott Birnstein, M.D.Los Angeles, CA 900171265703300
- Hartley Cohen, M.D.Los Angeles, CA 900171104826213
Common questions
What is Pilsoo Oh, MD's NPI number?
Pilsoo Oh, MD's National Provider Identifier (NPI) is 1043296866, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Pilsoo Oh, MD located?
The NPPES record lists a practice address at 520 S Virgil Ave, Los Angeles, CA, 90020. Phone: (213) 368-0360. Providers update this record themselves, so call before visiting.
How can I verify Pilsoo Oh, MD's license?
NPPES lists California license number A100119, 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 Pilsoo Oh, MD prescribe under Medicare Part D?
In 2024, Pilsoo Oh, MD had 1,375 Medicare Part D claims for 776 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Pilsoo Oh, MD's MIPS final score?
The 2023 MIPS final score is 60.7 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.