Registry data as of Aug 27, 2026

Christopher Libby, MD

Emergency Medicine Physician · Anaheim, CA

Christopher Libby, MD is an emergency medicine physician with a practice address in Anaheim, California, and NPI 1710411459, issued on Apr 19, 2017. Check the license (California 164790, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1710411459
Name
Christopher Libby
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
164790 CA
ME142488 FL
TRN25055 FL
83769 GA
Self-reported in NPPES; status is on the state search
Practice location
1801 E Katella Ave Apt 3060, Anaheim, CA 92805
Phone
(774) 644-4357
Enumerated
Apr 19, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1801 E Katella Ave Apt 3060

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

  1. Sarah Smith, PHDSurgery Physician1093568594

Verify Christopher Libby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 164790
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

72% fewer Medicare Part D claims than the average emergency medicine physician in 2024

101 Medicare Part D claims for 75 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Christopher Libby101
  2. Specialty average355

Most prescribed

  1. Ondansetron Odt13 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 Medicare quality score for 2023: 87.7 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 score80.9
  2. Costout of 100 · 30%49.4
  3. Promoting interoperabilityout of 100 · 25%99.0
  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).

2 hospital and facility affiliations

  1. Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
  2. Hmh Emergency Medical Group, Inc.Pasadena, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Emergency Medicine Physician providers in California

There are 7,133 emergency medicine physician records in California.

Other emergency medicine physician records in California

  1. Cooper Aakhus, MDStanford, CA1194351007
  2. Pyra Aarden, MDMartinez, CA1417058199
  3. Neal Aaron, D.O.Encinitas, CA1114283520
  4. Eric AaserudeWalnut Creek, CA1811491194
  5. Nader Abas, MDBarstow, CA1346288305
  6. Michael Abbo, MDNovato, CA1205819042
  7. Daniel Abbott, MDFullerton, CA1518907864
  8. Paul-Andre Abboud, M.D.Oakland, CA1710065503
  9. Mostafa Abdel-Hamid, MDStanford, CA1457918740
  10. Ashraf Abdel-KerimChino, CA1396961538

Common questions

What is Christopher Libby, MD's NPI number?

Christopher Libby, MD's National Provider Identifier (NPI) is 1710411459, issued on Apr 19, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Libby, MD located?

The NPPES record lists a practice address at 1801 E Katella Ave Apt 3060, Anaheim, CA, 92805. Phone: (774) 644-4357. Providers update this record themselves, so call before visiting.

How can I verify Christopher Libby, MD's license?

NPPES lists California license number 164790, 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 Libby, MD prescribe under Medicare Part D?

In 2024, Christopher Libby, MD had 101 Medicare Part D claims for 75 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.

What is Christopher Libby, MD's Medicare quality score?

The 2023 MIPS final score is 87.7 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.