NPPES file of Aug 9, 2026

Ann Reed Barnett, M.D.

Emergency Medicine Physician · Los Angeles, CA

Ann Reed Barnett, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1912224528, issued on Apr 23, 2010. Check the license (California C170665, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912224528
Name
Ann Reed Barnett
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
C170665 CA
51698 TN
Self-reported in NPPES; status is on the state search
Practice location
1225 Wilshire Blvd, Los Angeles, CA 90017
Phone
(213) 977-2121
Enumerated
Apr 23, 2010
Record last updated
May 18, 2023
Medicare enrollment
Enrolled (PECOS I20211101002798); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2010
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 1225 Wilshire Blvd

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

  1. Hanan Abdelfattah, PAPhysician Assistant1699230953
  2. Mari Abdulian, PA-CPhysician Assistant1629307947
  3. Nicholas Abraham, M.D.Emergency Medicine Physician1770984098
  4. Tiffany Abramson, MDEmergency Medicine Physician1154793586
  5. Nicole Adams, FNPFamily Nurse Practitioner1730889270
  6. Gabrielle Ahlzadeh, MDEmergency Medicine Physician1225427172

Verify Ann Reed Barnett in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C170665
    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

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21% fewer Medicare Part D claims than the average emergency medicine physician in 2024

178 Medicare Part D claims for 121 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 14 claims were for opioids.

  1. Ann Barnett178
  2. Specialty average226

Most prescribed

  1. Ondansetron Odt24 claims
  2. Cephalexin16 claims
  3. Duloxetine Hcl11 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.

Industry payments in 2024: $15.41

1 payment: food and beverage; 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.

  1. Ann Barnett$15.41
  2. Specialty average$953.79

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

  1. Usc Care Medical Group IncLos Angeles, CA

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

Ann Reed Barnett among 7,751 emergency medicine physician records in California

Ann Reed Barnett, 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 2010, is newer than 58% of them.

  • NPI issued2010 · 58% of these records are older, 40% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2010 · 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. Elisa Aponte, M.D.Los Angeles, CA 900171518134634
  2. Won Ki Chae, MDLos Angeles, CA 900171376789701
  3. Pao Chiu, M.D.Los Angeles, CA 900171285686592
  4. Carl Chudnofsky, MDLos Angeles, CA 900171811958556
  5. Brian Harris, M.D.Los Angeles, CA 900171285687574
  6. John Hatherley, M.D.Los Angeles, CA 900171164476883
  7. Melvin Jackson, MDLos Angeles, CA 900171922049295
  8. Marynell Jelinek, M.D.Los Angeles, CA 900171487687828

Common questions

What is Ann Reed Barnett, M.D.'s NPI number?

Ann Reed Barnett, M.D.'s National Provider Identifier (NPI) is 1912224528, issued on Apr 23, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Ann Reed Barnett, M.D. located?

The NPPES record lists a practice address at 1225 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 977-2121. Providers update this record themselves, so call before visiting.

How can I verify Ann Reed Barnett, M.D.'s license?

NPPES lists California license number C170665, 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 Ann Reed Barnett, M.D. prescribe under Medicare Part D?

In 2024, Ann Reed Barnett, M.D. had 178 Medicare Part D claims for 121 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.