Paul Paik, MD
Gastroenterology Physician · Los Angeles, CA
Paul Paik, MD is a gastroenterology physician with a practice address in Los Angeles, California, and NPI 1134756414, issued on Mar 25, 2020. Check the license (California A186575, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Paik
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A186575 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 San Pablo St, Los Angeles, CA 90033
- Phone
- (323) 409-1000
- Enumerated
- Mar 25, 2020
- Record last updated
- Mar 23, 2024
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1500 San Pablo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Paul Paik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A186575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average gastroenterology physician in 2024
78 Medicare Part D claims for 27 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole14 claims
- Vemlidy12 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.
Industry payments in 2024: $153.59
2 payments; by number, the most common kind was food and beverage; the largest payer was Madrigal Pharmaceuticals. 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.
Paul Paik among 2,140 gastroenterology physician records in California
Paul Paik, 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 2020, is newer than 98% of them.
- NPI issued2020 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2024 · 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
- Ethelred Carter, M.D.Los Angeles, CA 900331336247964
- Laurie Deleve, M.D.Los Angeles, CA 900331407882947
- Andrew Ippoliti, M.D.Los Angeles, CA 900331881621308
- Rome Jutabha, M.D.Los Angeles, CA 900331790785434
- John Kim, M.D.Los Angeles, CA 900331467676460
- Michael Kline, M.D.Los Angeles, CA 900331720017338
- Karen Lindsay, M.D.Los Angeles, CA 900331295765857
- Shelly Lu, M.D.Los Angeles, CA 900331386673606
Common questions
What is Paul Paik, MD's NPI number?
Paul Paik, MD's National Provider Identifier (NPI) is 1134756414, issued on Mar 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Paul Paik, MD located?
The NPPES record lists a practice address at 1500 San Pablo St, Los Angeles, CA, 90033. Phone: (323) 409-1000. Providers update this record themselves, so call before visiting.
How can I verify Paul Paik, MD's license?
NPPES lists California license number A186575, 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 Paul Paik, MD prescribe under Medicare Part D?
In 2024, Paul Paik, MD had 78 Medicare Part D claims for 27 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.