Walter Richard Bush, M.D.
Emergency Medicine Physician · Los Angeles, CA
Walter Richard Bush, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1437191566, issued on Jun 12, 2006. Check the license (California G77957, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Walter Richard Bush
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G77957 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5925 San Vicente Blvd, Los Angeles, CA 90019
- Phone
- (323) 932-5105
- Enumerated
- Jun 12, 2006
- Record last updated
- Jul 3, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (323) 932-5356
- Medicaid ID
- 00G779570 CA
- Medicare enrollment
- Enrolled (PECOS I20220516000872); accepts Medicare assignment
- Medical or professional school
- Wake Forest University School Of Medicine, 1992
- Entity
- Type 1 · individual
Also registered at 5925 San Vicente Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Robert Lynch, M.D.Emergency Medicine Physician1346283371
Verify Walter Richard Bush in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average emergency medicine physician in 2024
341 Medicare Part D claims for 178 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Naproxen57 claims
- Tramadol Hcl34 claims
- Ondansetron Odt31 claims
- Albuterol Sulfate Hfa16 claims
- Ibuprofen14 claims
- Ciprofloxacin Hcl13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Huntington Park Emergency Physicians IncHuntington Park, CA
- Maui Memorial Emergency Medical Associates IncWailuku, HI
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
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is Walter Richard Bush, M.D.'s NPI number?
Walter Richard Bush, M.D.'s National Provider Identifier (NPI) is 1437191566, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Richard Bush, M.D. located?
The NPPES record lists a practice address at 5925 San Vicente Blvd, Los Angeles, CA, 90019. Phone: (323) 932-5105. Providers update this record themselves, so call before visiting.
How can I verify Walter Richard Bush, M.D.'s license?
NPPES lists California license number G77957, 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 Walter Richard Bush, M.D. prescribe under Medicare Part D?
In 2024, Walter Richard Bush, M.D. had 341 Medicare Part D claims for 178 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Walter Richard Bush, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.