Robert John Casey, MD
Emergency Medicine Physician · Los Angeles, CA
Robert John Casey, MD is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1790904597, issued on Apr 24, 2007. Check the license (California A98853, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert John Casey
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A98853 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10833 LE Conte Ave, Los Angeles, CA 90095
- Phone
- (617) 645-9527
- Enumerated
- Apr 24, 2007
- Record last updated
- Jun 23, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 00A988530 CA
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 10833 LE Conte Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert John Casey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A98853Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average emergency medicine physician in 2024
59 Medicare Part D claims for 44 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Cephalexin12 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): 94.6 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).
Robert John Casey among 7,751 emergency medicine physician records in California
Robert John Casey, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2009 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rebecca Bavolek, MDLos Angeles, CA 900951942407556
- Priscilla Hanudel, M.D.Los Angeles, CA 900951902068505
- Gregory Hendey, MDLos Angeles, CA 900951942317391
- Aliasgher Hussain, M.D.Los Angeles, CA 900951699986810
- Amy Peng, M.D.Los Angeles, CA 900951578546479
- Jason Prystowsky, MDLos Angeles, CA 900951669407391
- Robert Rodriguez, MDLos Angeles, CA 900951194769091
- Amir Rouhani, M.D.Los Angeles, CA 900951720244536
Common questions
What is Robert John Casey, MD's NPI number?
Robert John Casey, MD's National Provider Identifier (NPI) is 1790904597, issued on Apr 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert John Casey, MD located?
The NPPES record lists a practice address at 10833 LE Conte Ave, Los Angeles, CA, 90095. Phone: (617) 645-9527. Providers update this record themselves, so call before visiting.
How can I verify Robert John Casey, MD's license?
NPPES lists California license number A98853, 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 John Casey, MD prescribe under Medicare Part D?
In 2024, Robert John Casey, MD had 59 Medicare Part D claims for 44 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Robert John Casey, MD's MIPS final score?
The 2023 MIPS final score is 94.6 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.