Dwayne Patrick Corcoran, MD
Emergency Medicine Physician · Torrance, CA
Dwayne Patrick Corcoran, MD is an emergency medicine physician with a practice address in Torrance, California, and NPI 1649684788, issued on Jun 17, 2014. Check the license (California A138255, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dwayne Patrick Corcoran
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A138255 CA
036-145814 IL
8713920 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St, Torrance, CA 90502
- Phone
- (310) 222-3501
- Enumerated
- Jun 17, 2014
- Record last updated
- Aug 6, 2026
- Fax
- (310) 782-1763
- Medicare enrollment
- Enrolled (PECOS I20200611001352); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1000 W Carson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arjan AbarStudent in an Organized Health Care Education/Training Program1982309290
- Brenda Abarca, MDPsychiatry Physician1407485527
- Maleeha AbbasStudent in an Organized Health Care Education/Training Program1275203499
- Saamirah Abdul-MuminCommunity Health Worker1144683947
- Maria Elena AbedesAmbulatory Care Registered Nurse1184360992
- Hoda Abou-Ziab, PSYDClinical Psychologist1649618125
Verify Dwayne Patrick Corcoran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A138255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average emergency medicine physician in 2024
156 Medicare Part D claims for 111 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Cephalexin16 claims
- Ibuprofen14 claims
- Hydrocodone-Acetaminophen12 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): 85 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
- Cep America - CaliforniaLong Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dwayne Patrick Corcoran among 7,751 emergency medicine physician records in California
Dwayne Patrick Corcoran, 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 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 28% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2011 among the 4,560 with a school on file
- Record last updated2026 · 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).
197 emergency medicine physician records list a practice address in Torrance
They are 197 of the 8,901 NPPES records with a practice address in Torrance, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Torrance → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Diane Birnbaumer, M.D.Torrance, CA 905021821159310
- David Burbulys, M.D.Torrance, CA 905021568523983
- Wendy Coates, M.D.Torrance, CA 905021851433817
- Clinton Coil, M.D.Torrance, CA 905021164566469
- Madonna Fernandez-Franckelton, M.D.Torrance, CA 905021538212329
- Robert Hockberger, M.DTorrance, CA 905021942359195
- Timothy Jang, MDTorrance, CA 905021487609707
- Roger Lewis, M.D.Torrance, CA 905021306999164
Common questions
What is Dwayne Patrick Corcoran, MD's NPI number?
Dwayne Patrick Corcoran, MD's National Provider Identifier (NPI) is 1649684788, issued on Jun 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Dwayne Patrick Corcoran, MD located?
The NPPES record lists a practice address at 1000 W Carson St, Torrance, CA, 90502. Phone: (310) 222-3501. Providers update this record themselves, so call before visiting.
How can I verify Dwayne Patrick Corcoran, MD's license?
NPPES lists California license number A138255, 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 Dwayne Patrick Corcoran, MD prescribe under Medicare Part D?
In 2024, Dwayne Patrick Corcoran, MD had 156 Medicare Part D claims for 111 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Dwayne Patrick Corcoran, MD's MIPS final score?
The 2023 MIPS final score is 85 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.