NPPES file of Aug 9, 2026

Scott Saehun Um, MD

Surgical Oncology Physician · Los Angeles, CA

Scott Saehun Um, MD is a surgical oncology physician with a practice address in Los Angeles, California, and NPI 1528221660, issued on Jul 9, 2008. Check the license (California A115560, 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
1528221660
Name
Scott Saehun Um
Credential
MD
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
A115560 CA
Self-reported in NPPES; status is on the state search
Practice location
200 Medical Plz, Los Angeles, CA 90095
Phone
(310) 794-7788
Enumerated
Jul 9, 2008
Record last updated
Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
0A1155600 CA
Medicare enrollment
Enrolled (PECOS I20110606000561); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 2006
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

Also registered at 200 Medical Plz

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

  1. Elliot Abemayor, MDSurgery Physician1972527414
  2. Zain Al-Safi, M.D.Obstetrics & Gynecology Physician1578728317
  3. Paul AllynInfectious Disease Physician1588831341
  4. Richard Aranda, MDGastroenterology Physician1104851138
  5. Nilo Arnaiz, MDPulmonary Disease Physician1386678498
  6. Robyn Banerjee, MDRadiation Oncology Physician1174879795

Verify Scott Saehun Um in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A115560
    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% fewer Medicare Part D claims than the average surgical oncology physician in 2024

49 Medicare Part D claims for 19 beneficiaries, against an average of 87 among the 1,237 providers of this specialty who prescribed in Part D.

  1. Scott Um49
  2. Specialty average87

Most prescribed

  1. Omeprazole33 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: $618.82

5 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,132 providers of this specialty with any payment received $4,224.74 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Scott Um$618.82
  2. Specialty average$4,224.74

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. Southern California Permanente Medical GroupLos Angeles, CA

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

Scott Saehun Um among 250 surgical oncology physician records in California

Scott Saehun Um, MD is one of 250 surgical oncology physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.

  • NPI issued2008 · 50% of these records are older, 42% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2006 · median 2004 among the 184 with a school on file
  • Record last updated2021 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in California

There are 250 surgical oncology physician records in California.

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Robert Bennion, MDLos Angeles, CA 900951245253897
  2. Maggie Dinome, M.D.Los Angeles, CA 900951477589851
  3. James Economou, MDLos Angeles, CA 900951245244664
  4. Frederick Eilber, MDLos Angeles, CA 900951154346724
  5. Frederick Eilber, MDLos Angeles, CA 900951073527057
  6. Mark Girgis, MDLos Angeles, CA 900951588826382
  7. Raquel Prati, MDLos Angeles, CA 900951427256262
  8. Mediget Teshome, MDLos Angeles, CA 900951699963678

Common questions

What is Scott Saehun Um, MD's NPI number?

Scott Saehun Um, MD's National Provider Identifier (NPI) is 1528221660, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Scott Saehun Um, MD located?

The NPPES record lists a practice address at 200 Medical Plz, Los Angeles, CA, 90095. Phone: (310) 794-7788. Providers update this record themselves, so call before visiting.

How can I verify Scott Saehun Um, MD's license?

NPPES lists California license number A115560, 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 Scott Saehun Um, MD prescribe under Medicare Part D?

In 2024, Scott Saehun Um, MD had 49 Medicare Part D claims for 19 beneficiaries; the average among surgical oncology physician prescribers was 87. 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.