Louis David Orosz, M.D.
Emergency Medicine Physician · Chula Vista, CA
Louis David Orosz, M.D. is an emergency medicine physician with a practice address in Chula Vista, California, and NPI 1194727024, issued on Aug 11, 2005. Check the license (California G87426, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Louis David Orosz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G87426 CA
Self-reported in NPPES; status is on the state search - Practice location
- 435 H Street, Chula Vista, CA 91910
- Phone
- (619) 691-7425
- Enumerated
- Aug 11, 2005
- Record last updated
- Nov 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080320000650); accepts Medicare assignment
- Medical or professional school
- University Of South Alabama College Of Medicine, 1990
- Entity
- Type 1 · individual
Also registered at 435 H Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Cuevas, MD, MBAFamily Medicine Physician1336882737
- Kathleen Douangchak, DOStudent in an Organized Health Care Education/Training Program1942996269
- Estefania Larrosa, MDFamily Medicine Physician1710523410
- Gianna Nino-Tapias, MDStudent in an Organized Health Care Education/Training Program1023862406
- Trisha Patel, DOInternal Medicine Physician1356845028
- Cristina Tapia, MDFamily Medicine Physician1598385882
Verify Louis David Orosz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G87426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average emergency medicine physician in 2024
124 Medicare Part D claims for 83 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate22 claims
- Prednisone21 claims
- Cephalexin14 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): 73.6 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).
Industry payments in 2024: $119.75
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncSan Diego, 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
- 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 Louis David Orosz, M.D.'s NPI number?
Louis David Orosz, M.D.'s National Provider Identifier (NPI) is 1194727024, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Louis David Orosz, M.D. located?
The NPPES record lists a practice address at 435 H Street, Chula Vista, CA, 91910. Phone: (619) 691-7425. Providers update this record themselves, so call before visiting.
How can I verify Louis David Orosz, M.D.'s license?
NPPES lists California license number G87426, 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 Louis David Orosz, M.D. prescribe under Medicare Part D?
In 2024, Louis David Orosz, M.D. had 124 Medicare Part D claims for 83 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Louis David Orosz, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.