NPPES file of Aug 9, 2026

Isaac Kihoon Kim, MD

Internal Medicine Physician · Portland, OR

Isaac Kihoon Kim, MD is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1801243530, issued on May 23, 2016. Check the license (Oregon MD191584, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1801243530
Name
Isaac Kihoon Kim
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD191584 OR
PG177300 OR
Self-reported in NPPES; status is on the state search
Practice location
4805 NE Glisan St, Portland, OR 97213
Phone
(503) 215-2392
Enumerated
May 23, 2016
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190607000492); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 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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Also registered at 4805 NE Glisan St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bethany Adams, DNP, AGACNPGerontology Nurse Practitioner1053955047
  2. Elie Adwani, MDStudent in an Organized Health Care Education/Training Program1952262453
  3. Rehan Ahmad, MDColon & Rectal Surgery Physician1750457990
  4. Stephanie Ahmed, MDObstetrics & Gynecology Physician1447269170
  5. Shaghayegh Aliabadi, M.D.Surgery Physician1083785562
  6. Anna Apostolou-Keith, RD, LDNRegistered Dietitian1639838790

Verify Isaac Kihoon Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD191584
    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 Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

212 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Isaac Kim212
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium12 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 2 group practices

  1. Providence Health And Services - OregonPortland, OR
  2. Providence Health And Services OregonMilwaukie, OR

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

Isaac Kihoon Kim among 2,116 internal medicine physician records in Oregon

Isaac Kihoon Kim, MD is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% 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 78% of them.

  • NPI issued2016 · 78% of these records are older, 19% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2016 · median 2008 among the 1,232 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

889 internal medicine physician records list a practice address in Portland

They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Andris Antoniskis, MDPortland, OR 972131528067972
  2. Shikha Arun, MDPortland, OR 972131306881834
  3. Christopher BaronePortland, OR 972131831187657
  4. Ruben Halperin, MDPortland, OR 972131457306763
  5. Kimberly Herder, MDPortland, OR 972131811975741
  6. Jeffrey Horacek, MDPortland, OR 972131790721215
  7. Shannon Jackson, MDPortland, OR 972131558301168
  8. William Kennedy, DOPortland, OR 972131467431452

Common questions

What is Isaac Kihoon Kim, MD's NPI number?

Isaac Kihoon Kim, MD's National Provider Identifier (NPI) is 1801243530, issued on May 23, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Isaac Kihoon Kim, MD located?

The NPPES record lists a practice address at 4805 NE Glisan St, Portland, OR, 97213. Phone: (503) 215-2392. Providers update this record themselves, so call before visiting.

How can I verify Isaac Kihoon Kim, MD's license?

NPPES lists Oregon license number MD191584, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Isaac Kihoon Kim, MD prescribe under Medicare Part D?

In 2024, Isaac Kihoon Kim, MD had 212 Medicare Part D claims for 92 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.