NPPES file of Aug 9, 2026

Robert Gutshall Amburgey, M.D.

Emergency Medicine Physician · Los Gatos, CA

Robert Gutshall Amburgey, M.D. is an emergency medicine physician with a practice address in Los Gatos, California, and NPI 1043376049, issued on Dec 28, 2006. Check the license (California C141538, 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
1043376049
Name
Robert Gutshall Amburgey
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
C141538 CA
2006-01738 NC
Self-reported in NPPES; status is on the state search
Practice location
PO Box 1557, Los Gatos, CA 95031
Phone
(669) 208-2807
Enumerated
Dec 28, 2006
Record last updated
Jan 16, 2025
Medicare enrollment
Enrolled (PECOS I20160624000450); accepts Medicare assignment
Medical or professional school
University Of Cincinnati College Of Medicine, 2004
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 Robert Gutshall Amburgey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C141538
    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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About as many Medicare Part D claims as the average emergency medicine physician in 2024

225 Medicare Part D claims for 176 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Robert Amburgey225
  2. Specialty average226

Most prescribed

  1. Cephalexin39 claims
  2. Doxycycline Hyclate32 claims
  3. Prednisone20 claims
  4. Azithromycin15 claims
  5. Amoxicillin-Clavulanate Potass13 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 one group practice

  1. Sutter Bay Medical FoundationLos Gatos, CA

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

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Robert Gutshall Amburgey, M.D.'s NPI number?

Robert Gutshall Amburgey, M.D.'s National Provider Identifier (NPI) is 1043376049, issued on Dec 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Gutshall Amburgey, M.D. located?

The NPPES record lists a practice address at PO Box 1557, Los Gatos, CA, 95031. Phone: (669) 208-2807. Providers update this record themselves, so call before visiting.

How can I verify Robert Gutshall Amburgey, M.D.'s license?

NPPES lists California license number C141538, 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 Robert Gutshall Amburgey, M.D. prescribe under Medicare Part D?

In 2024, Robert Gutshall Amburgey, M.D. had 225 Medicare Part D claims for 176 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.