Jacob Kirkorowicz, MD, MSC
Trauma Surgery Physician · Orange, CA
Jacob Kirkorowicz, MD, MSC is a trauma surgery physician with a practice address in Orange, California, and NPI 1275038010, issued on Mar 26, 2018. Check the license (California A174929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacob Kirkorowicz
- Credential
- MD, MSC
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License number
- A174929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3800 W Chapman Ave Ste 6200, Orange, CA 92868
- Phone
- (714) 509-2742
- Enumerated
- Mar 26, 2018
- Record last updated
- Aug 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20250919004098); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest trauma surgery physician records → All 146 in California → Look up another NPI →
Also registered at 3800 W Chapman Ave Ste 6200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paramveer Birring, MDStudent in an Organized Health Care Education/Training Program1063216638
- Joseph Breuer, MDStudent in an Organized Health Care Education/Training Program1497443287
- Josephine ChangStudent in an Organized Health Care Education/Training Program1366241689
- Leah Chase, MDSurgery Physician1184477622
- Hannah Curtis, MDStudent in an Organized Health Care Education/Training Program1225822695
- Nicole FinneyStudent in an Organized Health Care Education/Training Program1457104879
Verify Jacob Kirkorowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A174929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average trauma surgery physician in 2024
15 Medicare Part D claims for 15 beneficiaries, against an average of 48 among the 447 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 14 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen14 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.
Bills Medicare through one group practice
- University Surgeons OF Orange A Medical GroupOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Kirkorowicz among 146 trauma surgery physician records in California
Jacob Kirkorowicz, MD, MSC is one of 146 trauma surgery physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 4% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2018 · median 2007 among the 117 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0127X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Trauma Surgery Physician providers in California
There are 146 trauma surgery physician records in California.
All 146 in California → Every provider in Orange → Trauma Surgery Physician nationwide →
The 8 trauma surgery physician records with the nearest ZIP codes
- Uma Bagga, M.D.Orange, CA 928681710207840
- Cristobal Barrios, MDOrange, CA 928681164624839
- Sigrid Burruss, M.D.Orange, CA 928681942458013
- Theresa Chin, M.D.Orange, CA 928681407020951
- Isabel Clark, M.D.Orange, CA 928681003262510
- James Jeng, MDOrange, CA 928681407847775
- Victor Joe, MDOrange, CA 928681164539953
- Allen Kong, MDOrange, CA 928681083893564
Common questions
What is Jacob Kirkorowicz, MD, MSC's NPI number?
Jacob Kirkorowicz, MD, MSC's National Provider Identifier (NPI) is 1275038010, issued on Mar 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Kirkorowicz, MD, MSC located?
The NPPES record lists a practice address at 3800 W Chapman Ave Ste 6200, Orange, CA, 92868. Phone: (714) 509-2742. Providers update this record themselves, so call before visiting.
How can I verify Jacob Kirkorowicz, MD, MSC's license?
NPPES lists California license number A174929, 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 Jacob Kirkorowicz, MD, MSC prescribe under Medicare Part D?
In 2024, Jacob Kirkorowicz, MD, MSC had 15 Medicare Part D claims for 15 beneficiaries; the average among trauma surgery physician prescribers was 48. 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.
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.