NPPES file of Aug 9, 2026

Christopher Joseph Amann, M.D.

Critical Care Medicine (Internal Medicine) Physician · Los Angeles, CA

Christopher Joseph Amann, M.D. is a critical care medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1134326895, issued on Jun 27, 2007. Check the license (California C132360, 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
1134326895
Name
Christopher Joseph Amann
Credential
M.D.
Primary taxonomy
Critical Care Medicine (Internal Medicine) Physician 207RC0200X
License number
C132360 CA
Self-reported in NPPES; status is on the state search
Practice location
1225 Wilshire Blvd, Los Angeles, CA 90017
Phone
(213) 977-2121
Enumerated
Jun 27, 2007
Record last updated
Jul 24, 2025
Medicare enrollment
Enrolled (PECOS I20240627001154); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 2007
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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8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →

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 Christopher Joseph Amann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C132360    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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86% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024

96 Medicare Part D claims for 54 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Christopher Amann96
  2. Specialty average696

Most prescribed

  1. Buprenorphine-Naloxone51 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 6 group practices

  1. Intercommunity Emergency Medical GroupWhittier, CA
  2. Pih Health PhysiciansLos Angeles, CA
  3. Regents OF The University OF CaliforniaSan Diego, CA
  4. Tele911 California Emergency Medical Group IncWestminster, CA
  5. Tele911 Florida Emergency Medical Group, P.A.Orlando, FL
  6. Tele911 Texas Emergency Medical Group PLLCDallas, TX

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

Christopher Joseph Amann among 723 critical care medicine (internal medicine) physician records in California

Christopher Joseph Amann, M.D. is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.

  • NPI issued2007 · 40% of these records are older, 46% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2007 · median 2005 among the 559 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Internal Medicine) Physician providers in California

There are 723 critical care medicine (internal medicine) physician records in California.

All 723 in California → Every provider in Los Angeles → Critical Care Medicine (Internal Medicine) Physician nationwide →

The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes

  1. Frederick Butler, M.D.Los Angeles, CA 900171427088830
  2. William Li, MDLos Angeles, CA 900171154703940
  3. David Nelson, MDLos Angeles, CA 900261700886975
  4. Allen Adams, M.D.Los Angeles, CA 900271700862794
  5. Annaelle Akcam, DOLos Angeles, CA 900271447945225
  6. Michael Bronstein, MDLos Angeles, CA 900271932270907
  7. Timothy Deakers, MD, PHDLos Angeles, CA 900271275626509
  8. Sylvia Del Castillo, MDLos Angeles, CA 900271700966314

Common questions

What is Christopher Joseph Amann, M.D.'s NPI number?

Christopher Joseph Amann, M.D.'s National Provider Identifier (NPI) is 1134326895, issued on Jun 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Joseph Amann, 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 Christopher Joseph Amann, M.D.'s license?

NPPES lists California license number C132360, 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 Christopher Joseph Amann, M.D. prescribe under Medicare Part D?

In 2024, Christopher Joseph Amann, M.D. had 96 Medicare Part D claims for 54 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.