NPPES file of Aug 9, 2026

Ki-Yoon Kim, M.D.

Gastroenterology Physician · San Diego, CA

Ki-Yoon Kim, M.D. is a gastroenterology physician with a practice address in San Diego, California, and NPI 1558715110, issued on Apr 20, 2016. Check the license (California A151164, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558715110
Name
Ki-Yoon Kim
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
A151164 CA
315245 NY
Self-reported in NPPES; status is on the state search
Practice location
4060 Fourth Avenue, Suite 240, San Diego, CA 92103
Phone
(619) 291-6064
Enumerated
Apr 20, 2016
Record last updated
Jul 11, 2025
Medicaid ID
KK3232267556 CA
Medicare enrollment
Enrolled (PECOS I20241115000391); accepts Medicare assignment
Medical or professional school
Rutgers New Jersey Medical School, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Ki-Yoon Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A151164
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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70% fewer Medicare Part D claims than the average gastroenterology physician in 2024

244 Medicare Part D claims for 107 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Ki-Yoon Kim244
  2. Specialty average811

Most prescribed

  1. Omeprazole72 claims
  2. Pantoprazole Sodium46 claims
  3. Sod Sulf-Potass Sulf-Mag Sulf45 claims
  4. Gavilyte-G14 claims
  5. Sucralfate13 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): 84.5 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.

  1. Qualityout of 100 · 30% of the final score93.3
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $989.84

14 payments; by number, the most common kind was food and beverage; the largest payer was Olympus America 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.

  1. Ki-Yoon Kim$989.84
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 3 group practices

  1. Chest And Critical Care Consultants A Medical GroupAnaheim, CA
  2. ON Call Specialists Medical Group OF San Diego IncSan Diego, CA
  3. San Diego Gastroenterology Medical AssociatesSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ki-Yoon Kim among 2,140 gastroenterology physician records in California

Ki-Yoon Kim, 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 2016, is newer than 88% of them.

  • NPI issued2016 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2016 · median 2002 among the 1,538 with a school on file
  • Record last updated2025 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Nedret Copur, MDSan Diego, CA 921031932290145
  2. Michael Docherty, M.D.San Diego, CA 921031841230935
  3. Suja Dubois, MDSan Diego, CA 921031013976612
  4. Michael Goldhamer, M.D.San Diego, CA 921031104880202
  5. Kevin Haynes, MDSan Diego, CA 921031467411447
  6. Gordon Hunt, M.D.San Diego, CA 921031063437101
  7. Barbara Jung, M.D.San Diego, CA 921031205869062
  8. Ravinder Mittal, M.D.San Diego, CA 921031376567255

Common questions

What is Ki-Yoon Kim, M.D.'s NPI number?

Ki-Yoon Kim, M.D.'s National Provider Identifier (NPI) is 1558715110, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ki-Yoon Kim, M.D. located?

The NPPES record lists a practice address at 4060 Fourth Avenue, Suite 240, San Diego, CA, 92103. Phone: (619) 291-6064. Providers update this record themselves, so call before visiting.

How can I verify Ki-Yoon Kim, M.D.'s license?

NPPES lists California license number A151164, 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 Ki-Yoon Kim, M.D. prescribe under Medicare Part D?

In 2024, Ki-Yoon Kim, M.D. had 244 Medicare Part D claims for 107 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Ki-Yoon Kim, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.5 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.