NPPES file of Aug 9, 2026

Darragh C. O'Carroll, M.D.

Emergency Medicine Physician · Los Angeles, CA

Darragh C. O'Carroll, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1538421565, issued on Jun 14, 2012. Check the license (California A127223, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538421565
Name
Darragh C. O'Carroll
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A127223 CA
Self-reported in NPPES; status is on the state search
Practice location
1200 N State St, Los Angeles, CA 90033
Phone
(323) 409-1000
Enumerated
Jun 14, 2012
Record last updated
Dec 15, 2023
Medicare enrollment
Enrolled (PECOS I20150711000197); accepts Medicare assignment
Medical or professional school
University Of Hawaii John A. Burns School Of Medicine, 2012
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1200 N State St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sadeea Abbasi, M.D., PH.D.Gastroenterology Physician1366713513
  2. Danna Abdel-Khader, MDInternal Medicine Physician1780977827
  3. Terri Leigh Abe, MDInternal Medicine Physician1881897569
  4. Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
  5. Zachary AbelsonObstetrics & Gynecology Physician1689237414
  6. Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484

Verify Darragh C. O'Carroll in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A127223
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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70% fewer Medicare Part D claims than the average emergency medicine physician in 2024

67 Medicare Part D claims for 50 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Darragh O'Carroll67
  2. Specialty average226

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): 85.7 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.

  1. Qualityout of 100 · 30% of the final score85.7
  2. Costout of 100 · 30%61.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Cedars-Sinai Medical Care FoundationBeverly Hills, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Darragh C. O'Carroll among 7,751 emergency medicine physician records in California

Darragh C. O'Carroll, 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 2012, is newer than 63% of them.

  • NPI issued2012 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2012 · median 2011 among the 4,560 with a school on file
  • Record last updated2023 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Deirdre Anglin, MDLos Angeles, CA 900331306932025
  2. Joseph BaltrushesLos Angeles, CA 900331629152178
  3. Aaron Bright, M.D.Los Angeles, CA 900331023054087
  4. Christopher Celentano, MDLos Angeles, CA 900331972516417
  5. Christine DinuzzoLos Angeles, CA 900331952456741
  6. Marc Eckstein, M.D.Los Angeles, CA 900331922010867
  7. Sean Henderson, M.D.Los Angeles, CA 900331205887064
  8. Helen Ho, MDLos Angeles, CA 900331447208962

Common questions

What is Darragh C. O'Carroll, M.D.'s NPI number?

Darragh C. O'Carroll, M.D.'s National Provider Identifier (NPI) is 1538421565, issued on Jun 14, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Darragh C. O'Carroll, M.D. located?

The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 409-1000. Providers update this record themselves, so call before visiting.

How can I verify Darragh C. O'Carroll, M.D.'s license?

NPPES lists California license number A127223, 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 Darragh C. O'Carroll, M.D. prescribe under Medicare Part D?

In 2024, Darragh C. O'Carroll, M.D. had 67 Medicare Part D claims for 50 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Darragh C. O'Carroll, M.D.'s MIPS final score?

The 2023 MIPS final score is 85.7 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.