NPPES file of Aug 9, 2026

Brian Kap-Soo Kim, M.D.

Hematology & Oncology Physician · Sacramento, CA

Brian Kap-Soo Kim, M.D. is a hematology & oncology physician with a practice address in Sacramento, California, and NPI 1871532051, issued on Jun 5, 2006. Check the license (California G88900, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871532051
Name
Brian Kap-Soo Kim
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
G88900 CA
MD00044497 WA
Self-reported in NPPES; status is on the state search
Practice location
2800 L Street, Sacramento, CA 95816
Phone
(916) 453-3300
Enumerated
Jun 5, 2006
Record last updated
Mar 7, 2023
Fax
(916) 453-3313
Medicaid ID
8416448 WA
Medicare enrollment
Enrolled (PECOS I20250417001617); accepts Medicare assignment
Medical or professional school
University Of Oklahoma College Of Medicine, 1986
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.
Download card Updates feed

8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →

Also registered at 2800 L Street

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

  1. Alifeya Attarwala, M.D.Cardiovascular Disease Physician1831462365
  2. Leo Carpenter, PAPhysician Assistant1629077946
  3. Christine Chao, M.D.Vascular & Interventional Radiology Physician1245213529
  4. David Chesak, MD.Neurology Physician1760665475
  5. Leonard Crawford, MDUrology Physician1215036041
  6. Sahar Farzin, M.D.Diagnostic Radiology Physician1225229008

Verify Brian Kap-Soo 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 G88900    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

44% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,265 Medicare Part D claims for 301 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 70 claims were for opioids.

  1. Brian Kim1,265
  2. Specialty average877

Most prescribed

  1. Anastrozole186 claims
  2. Prochlorperazine Maleate96 claims
  3. Ondansetron Hcl66 claims
  4. Prednisone66 claims
  5. Potassium Chloride51 claims
  6. Hydroxyurea49 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: $301.68

4 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brian Kim$301.68
  2. Specialty average$7,481.41

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

  1. Optum Medical Group Rhodes P CHenderson, NV

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

Brian Kap-Soo Kim among 1,583 hematology & oncology physician records in California

Brian Kap-Soo Kim, M.D. is one of 1,583 hematology & oncology 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 54% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1986 · median 2003 among the 1,124 with a school on file
  • Record last updated2023 · 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 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

All 1,583 in California → Every provider in Sacramento → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Michael Carroll, M.D.Sacramento, CA 958161699748707
  2. Grigorios Chrysofakis, MDSacramento, CA 958161700159118
  3. Nabil Ghani, M.D.Sacramento, CA 958161407390172
  4. Elias Kiwan, M.D.Sacramento, CA 958161790875276
  5. Jasdeepa Nagi, M.D.Sacramento, CA 958161407094188
  6. Bijay Nair, MDSacramento, CA 958161356560684
  7. Nitin Rohatgi, M.D.Sacramento, CA 958161235161621
  8. Mustaqeem Siddiqui, MBBSSacramento, CA 958161669480133

Common questions

What is Brian Kap-Soo Kim, M.D.'s NPI number?

Brian Kap-Soo Kim, M.D.'s National Provider Identifier (NPI) is 1871532051, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brian Kap-Soo Kim, M.D. located?

The NPPES record lists a practice address at 2800 L Street, Sacramento, CA, 95816. Phone: (916) 453-3300. Providers update this record themselves, so call before visiting.

How can I verify Brian Kap-Soo Kim, M.D.'s license?

NPPES lists California license number G88900, 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 Brian Kap-Soo Kim, M.D. prescribe under Medicare Part D?

In 2024, Brian Kap-Soo Kim, M.D. had 1,265 Medicare Part D claims for 301 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.