NPPES file of Aug 9, 2026

Stephen Joseph Bauer, M.D.

Emergency Medical Services (Emergency Medicine) Physician · Los Angeles, CA

Stephen Joseph Bauer, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Los Angeles, California, and NPI 1720348410, issued on May 29, 2012. Check the license (California A134651, 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
1720348410
Name
Stephen Joseph Bauer
Credential
M.D.
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
A134651 CA
Self-reported in NPPES; status is on the state search
Practice location
1225 Wilshire Blvd, Los Angeles, CA 90017
Phone
(213) 977-2424
Enumerated
May 29, 2012
Record last updated
Aug 22, 2025
Medicare enrollment
Enrolled (PECOS I20150610000022); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2012
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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8 nearest emergency medical services (emergency medicine) physician records → All 233 in California → Look up another NPI →

Also registered at 1225 Wilshire Blvd

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

  1. Hanan Abdelfattah, PAPhysician Assistant1699230953
  2. Mari Abdulian, PA-CPhysician Assistant1629307947
  3. Nicholas Abraham, M.D.Emergency Medicine Physician1770984098
  4. Tiffany Abramson, MDEmergency Medicine Physician1154793586
  5. Nicole Adams, FNPFamily Nurse Practitioner1730889270
  6. Gabrielle Ahlzadeh, MDEmergency Medicine Physician1225427172

Verify Stephen Joseph Bauer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A134651    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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31% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024

201 Medicare Part D claims for 101 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 14 claims were for opioids.

  1. Stephen Bauer201
  2. Specialty average292

Most prescribed

  1. Cephalexin27 claims
  2. Ondansetron Odt19 claims
  3. Omeprazole15 claims
  4. Ibuprofen13 claims
  5. Sucralfate12 claims
  6. Hydrocodone-Acetaminophen11 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: $28.32

1 payment: food and beverage; the largest payer was Abbvie Inc. The 489 providers of this specialty with any payment received $337.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Bauer$28.32
  2. Specialty average$337.59

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

Bills Medicare through 2 group practices

  1. Can Emergency Physicians Medical Group IncLos Angeles, CA
  2. Intercommunity Emergency Medical GroupDowney, CA

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

Stephen Joseph Bauer among 233 emergency medical services (emergency medicine) physician records in California

Stephen Joseph Bauer, M.D. is one of 233 emergency medical services (emergency medicine) physician records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 76% of them.

  • NPI issued2012 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2012 · median 2002 among the 99 with a school on file
  • Record last updated2025 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medical Services (Emergency Medicine) Physician providers in California

There are 233 emergency medical services (emergency medicine) physician records in California.

All 233 in California → Every provider in Los Angeles → Emergency Medical Services (Emergency Medicine) Physician nationwide →

The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes

  1. Gregory Jahangiri, D.O.Los Angeles, CA 900231689854986
  2. Tigran Avoian, MDLos Angeles, CA 900071649402678
  3. Michael PayneLos Angeles, CA 900271790611192
  4. Michael Stone, MDLos Angeles, CA 900331932728458
  5. Brittany Trompetto, MDLos Angeles, CA 900331609516020
  6. Alyssa Seibold, MDLos Angeles, CA 900341831718766
  7. Louis Acosta, M.D.Los Angeles, CA 900481528144219
  8. Wendy Denham, M.D.West Hollywood, CA 900481184610164

Common questions

What is Stephen Joseph Bauer, M.D.'s NPI number?

Stephen Joseph Bauer, M.D.'s National Provider Identifier (NPI) is 1720348410, issued on May 29, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Joseph Bauer, M.D. located?

The NPPES record lists a practice address at 1225 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-2424. Providers update this record themselves, so call before visiting.

How can I verify Stephen Joseph Bauer, M.D.'s license?

NPPES lists California license number A134651, 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 Stephen Joseph Bauer, M.D. prescribe under Medicare Part D?

In 2024, Stephen Joseph Bauer, M.D. had 201 Medicare Part D claims for 101 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. 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.