NPPES file of Aug 9, 2026

Sarah Elizabeth Koller, M.D.

Colon & Rectal Surgery Physician · Los Angeles, CA

Sarah Elizabeth Koller, M.D. is a colon & rectal surgery physician with a practice address in Los Angeles, California, and NPI 1285915488, issued on Aug 31, 2011. Check the license (California A154534, 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
1285915488
Name
Sarah Elizabeth Koller
Credential
M.D.
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License numbers
A154534 CA
MT199796 PA
Self-reported in NPPES; status is on the state search
Practice location
1450 San Pablo St Ste 6200, Los Angeles, CA 90033
Phone
(323) 865-3690
Enumerated
Aug 31, 2011
Record last updated
Nov 27, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1450 San Pablo St Ste 6200

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

  1. Stuart Abel, M.D.Surgery Physician1750761516
  2. David Armstrong, DPM, PHDPodiatrist1427160902
  3. Jenna Ashton, PA-CPhysician Assistant1306121652
  4. Scott Atay, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1215198379
  5. Glenn Ault, M.D.Colon & Rectal Surgery Physician1295749802
  6. James Bardes, M.D.Surgical Critical Care Physician1255621397

Verify Sarah Elizabeth Koller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A154534
    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.

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Industry payments in 2024: $367.43

4 payments; by number, the most common kind was food and beverage; the largest payer was Guard Medical Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Koller$367.43
  2. Specialty average$3,468.16

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

Sarah Elizabeth Koller among 198 colon & rectal surgery physician records in California

Sarah Elizabeth Koller, M.D. is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 73% of them.

  • NPI issued2011 · 73% of these records are older, 23% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileNo · 75% of these records are
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Colon & Rectal Surgery Physician providers in California

There are 198 colon & rectal surgery physician records in California.

The 8 colon & rectal surgery physician records with the nearest ZIP codes

  1. Glenn Ault, M.D.Los Angeles, CA 900331295749802
  2. Jc Chen, MDLos Angeles, CA 900331710446760
  3. Sarah Choi, M.D.Los Angeles, CA 900331578095162
  4. Kyle Cologne, M.D.Los Angeles, CA 900331164678082
  5. Christine Hsieh, M.D.Los Angeles, CA 900331073804696
  6. Sang Lee, M.D.Los Angeles, CA 900331386651867
  7. Joongho Shin, MDLos Angeles, CA 900331821389263
  8. Adil Farooqui, MDLos Angeles, CA 900341417016163

Common questions

What is Sarah Elizabeth Koller, M.D.'s NPI number?

Sarah Elizabeth Koller, M.D.'s National Provider Identifier (NPI) is 1285915488, issued on Aug 31, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Elizabeth Koller, M.D. located?

The NPPES record lists a practice address at 1450 San Pablo St Ste 6200, Los Angeles, CA, 90033. Phone: (323) 865-3690. Providers update this record themselves, so call before visiting.

How can I verify Sarah Elizabeth Koller, M.D.'s license?

NPPES lists California license number A154534, 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.

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.