NPPES file of Aug 9, 2026

Christopher Johnstad, M.D.

Anesthesiology Physician · Tempe, AZ

Christopher Johnstad, M.D. is an anesthesiology physician with a practice address in Tempe, Arizona, and NPI 1609872316, issued on Jun 27, 2005. Check the license (Arizona 25296, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609872316
Name
Christopher Johnstad
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
25296 AZ
Self-reported in NPPES; status is on the state search
Practice location
2421 E Southern Ave Ste 7, Tempe, AZ 85282
Phone
(480) 425-2160
Enumerated
Jun 27, 2005
Record last updated
May 12, 2023
Fax
(480) 351-8797
Medicare enrollment
Enrolled (PECOS I20120224000165); accepts Medicare assignment
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.
Download card Updates feed

8 nearest anesthesiology physician records → All 1,473 in Arizona → Look up another NPI →

Also registered at 2421 E Southern Ave Ste 7

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

  1. Antonio Alduino, DOAnesthesiology Physician1619937976
  2. Alan Andacht, M.D.Anesthesiology Physician1619956034
  3. Alexander Catton, M.D.Anesthesiology Physician1871768887
  4. Robert Chavez, M.D.Anesthesiology Physician1427248806
  5. Gregg Citron, MDAnesthesiology Physician1558322644
  6. Jaehong Gwag, MDAnesthesiology Physician1972569804

Verify Christopher Johnstad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 25296    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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Secure Anesthesia PLLCMesa, AZ

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

Christopher Johnstad among 1,473 anesthesiology physician records in Arizona

Christopher Johnstad, M.D. is one of 1,473 anesthesiology physician records with a practice address in Arizona. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 84% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1993 · median 2003 among the 984 with a school on file
  • Record last updated2023 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

65 anesthesiology physician records list a practice address in Tempe

They are 65 of the 4,310 NPPES records with a practice address in Tempe, and 1,473 anesthesiology physician records in Arizona.

All 1,473 in Arizona → Every provider in Tempe → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Alan Citrin, DOTempe, AZ 852821437130150
  2. Laszlo Csernak, MDTempe, AZ 852821609857333
  3. George Gieszl, MDTempe, AZ 852821629059340
  4. Scott Isaac, MDTempe, AZ 852821407837131
  5. Norman Nazareth, M.D.Tempe, AZ 852821447256060
  6. Anthony Putnam, MDTempe, AZ 852821285615914
  7. Stacey Remchuk Feuer, MDTempe, AZ 852821134110885
  8. Robert Schwartzstein, MDTempe, AZ 852821093705998

Common questions

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

Christopher Johnstad, M.D.'s National Provider Identifier (NPI) is 1609872316, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Johnstad, M.D. located?

The NPPES record lists a practice address at 2421 E Southern Ave Ste 7, Tempe, AZ, 85282. Phone: (480) 425-2160. Providers update this record themselves, so call before visiting.

How can I verify Christopher Johnstad, M.D.'s license?

NPPES lists Arizona license number 25296, 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.

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.