Shon Marcos Sidransky, M.D.
Emergency Medicine Physician · Oxnard, CA
Shon Marcos Sidransky, M.D. is an emergency medicine physician with a practice address in Oxnard, California, and NPI 1285646448, issued on Aug 13, 2006. Check the license (California A91030, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shon Marcos Sidransky
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A91030 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1600 N Rose Ave, Oxnard, CA 93030
- Phone
- (805) 988-2843
- Enumerated
- Aug 13, 2006
- Record last updated
- Apr 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (805) 988-2844
- Medicaid IDs
- 00A910300 CA
1285646448 CA - Medicare enrollment
- Enrolled (PECOS I20051229000441); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1600 N Rose Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Glen Abergel, M.D.Critical Care Medicine (Internal Medicine) Physician1093743924
- Waqas Aftab, M.D.Critical Care Medicine (Internal Medicine) Physician1043414220
- David Aguilar, M.D.Anesthesiology Physician1568484921
- Michelle AmparoRegistered Nurse1386593994
- Melissa Arbar, DOAnesthesiology Physician1063875136
- Sulaiman Barkho, MDInternal Medicine Physician1710417209
Verify Shon Marcos Sidransky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average emergency medicine physician in 2024
259 Medicare Part D claims for 155 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Ondansetron Odt32 claims
- Dicyclomine Hcl30 claims
- Tramadol Hcl26 claims
- Cefdinir22 claims
- Prednisone18 claims
- Azithromycin15 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 one group practice
- EM Alliance California ApcWildomar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shon Marcos Sidransky among 7,751 emergency medicine physician records in California
Shon Marcos Sidransky, M.D. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2002 · median 2011 among the 4,560 with a school on file
- 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 Oxnard → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Buckner, M.D.Oxnard, CA 930301215294327
- Van Anh Chandler, MEDICAL DOCTOROxnard, CA 930301154312114
- Christine Chang, MDOxnard, CA 930301003132671
- Adrian Danescu, MEDICAL DOCTOROxnard, CA 930301558352351
- Richard Handin, MEDICAL DOCTOROxnard, CA 930301346231149
- Henry Hooper, M.D.Oxnard, CA 930301932155223
- Kevin Hua, D.O.Oxnard, CA 930301861585010
- Heather Huffman-Dracht, MDOxnard, CA 930301598896581
Common questions
What is Shon Marcos Sidransky, M.D.'s NPI number?
Shon Marcos Sidransky, M.D.'s National Provider Identifier (NPI) is 1285646448, issued on Aug 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shon Marcos Sidransky, M.D. located?
The NPPES record lists a practice address at 1600 N Rose Ave, Oxnard, CA, 93030. Phone: (805) 988-2843. Providers update this record themselves, so call before visiting.
How can I verify Shon Marcos Sidransky, M.D.'s license?
NPPES lists California license number A91030, 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 Shon Marcos Sidransky, M.D. prescribe under Medicare Part D?
In 2024, Shon Marcos Sidransky, M.D. had 259 Medicare Part D claims for 155 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Shon Marcos Sidransky, 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.