NPPES file of Aug 9, 2026

Michael C. Christopher, MD

Emergency Medicine Physician · Phoenix, AZ

Michael C. Christopher, MD is an emergency medicine physician with a practice address in Phoenix, Arizona, and NPI 1205933744, issued on Sep 19, 2006. Check the license (Arizona 27106, as entered in NPPES) on the Arizona Medical Board; 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
1205933744
Name
Michael C. Christopher
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
27106 AZ
Self-reported in NPPES; status is on the state search
Practice location
St. Joseph's Hospital, Phoenix, AZ 85013
Phone
(602) 406-3000
Enumerated
Sep 19, 2006
Record last updated
May 8, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(602) 406-7165
Medicaid ID
475427 AZ
Medicare enrollment
Enrolled (PECOS I20040915000743); accepts Medicare assignment
Medical or professional school
University Of Arizona College Of Medicine, 1986
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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Verify Michael C. Christopher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 27106
    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 Arizona license search

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1% more Medicare Part D claims than the average emergency medicine physician in 2024

229 Medicare Part D claims for 159 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 30 claims were for opioids.

  1. Michael Christopher229
  2. Specialty average226

Most prescribed

  1. Tramadol Hcl19 claims
  2. Naproxen17 claims
  3. Azithromycin15 claims
  4. Prednisone14 claims
  5. Ondansetron Odt12 claims
  6. Methylprednisolone11 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: $40.08

2 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries 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. Michael Christopher$40.08
  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. Empower St Josephs PLLCPhoenix, AZ

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

Michael C. Christopher among 1,494 emergency medicine physician records in Arizona

Michael C. Christopher, MD is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 62% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1986 · median 2014 among the 828 with a school on file
  • Record last updated2009 · 55% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

394 emergency medicine physician records list a practice address in Phoenix

They are 394 of the 31,399 NPPES records with a practice address in Phoenix, and 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ann Andonyan, MDPhoenix, AZ 850131871500496
  2. Anne Burns, MDPhoenix, AZ 850131710995345
  3. Robert French, MDPhoenix, AZ 850131093723637
  4. Scott Kassing, MDPhoenix, AZ 850131588672141
  5. Anita King, MDPhoenix, AZ 850131275541856
  6. Mark Krich, MDPhoenix, AZ 850131144238767
  7. Donald Lauer, MDPhoenix, AZ 850131528076049
  8. Julie Massoud, DOPhoenix, AZ 850131538177092

Common questions

What is Michael C. Christopher, MD's NPI number?

Michael C. Christopher, MD's National Provider Identifier (NPI) is 1205933744, issued on Sep 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael C. Christopher, MD located?

The NPPES record lists a practice address at St. Joseph's Hospital, Phoenix, AZ, 85013. Phone: (602) 406-3000. Providers update this record themselves, so call before visiting.

How can I verify Michael C. Christopher, MD's license?

NPPES lists Arizona license number 27106, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael C. Christopher, MD prescribe under Medicare Part D?

In 2024, Michael C. Christopher, MD had 229 Medicare Part D claims for 159 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.