NPPES file of Aug 9, 2026

Christopher Chrosniak, CRNA

Certified Registered Nurse Anesthetist · Flagstaff, AZ

Christopher Chrosniak, CRNA is a certified registered nurse anesthetist with a practice address in Flagstaff, Arizona, and NPI 1801444807, issued on Sep 3, 2019. Check the license (Arizona 322559, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801444807
Name
Christopher Chrosniak
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
322559 AZ
APRN11005404 FL
RN9349109 FL
091032-23 NH
Self-reported in NPPES; status is on the state search
Practice location
1200 N Beaver St, Flagstaff, AZ 86001
Phone
(928) 213-6235
Enumerated
Sep 3, 2019
Record last updated
Oct 28, 2025
Medicare enrollment
Enrolled (PECOS I20200318000098); 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.
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Also registered at 1200 N Beaver St

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

  1. Melissa Acquaviva, CRNACertified Registered Nurse Anesthetist1639238348
  2. Michelle Aerni, D.O.Critical Care Medicine (Anesthesiology) Physician1225014822
  3. Amit Agrawal, M.D.Neonatal-Perinatal Medicine Physician1306032701
  4. Muhammad Ali, MDCritical Care Medicine (Internal Medicine) Physician1801264353
  5. Kim AllenSpeech-Language Pathologist1356580484
  6. Bianca Anderson, MS, RDRegistered Dietitian1548609431

Verify Christopher Chrosniak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 322559
    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
Find 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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 77.3 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 score73.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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).

Bills Medicare through 3 group practices

  1. Digestive Anesthesia Associates LLCBelleair, FL
  2. Sheridan Healthcorp IncOcala, FL
  3. Sunshine State Anesthesia Partners LLCLargo, FL

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

41 certified registered nurse anesthetist records list a practice address in Flagstaff

They are 41 of the 2,419 NPPES records with a practice address in Flagstaff, and 1,100 certified registered nurse anesthetist records in Arizona.

Other certified registered nurse anesthetist records in Arizona

  1. Ryan Abraham, CRNATucson, AZ1639794324
  2. Melissa Acquaviva, CRNAFlagstaff, AZ1639238348
  3. Ahmed AdenSun City, AZ1477343424
  4. Brittnay AdkinsScottsdale, AZ1063072361
  5. Caitlyn Adley, CRNAPhoenix, AZ1760849079
  6. Nicholas Aguanno, CRNAScottsdale, AZ1568949675
  7. Ignacio Aguilar, DNP, CRNASomerton, AZ1184432668
  8. Erik AhlstromScottsdale, AZ1619340577
  9. Stormy Aikins, CRNAScottsdale, AZ1710316492
  10. Marianne AlapattGoodyear, AZ1477435378

Common questions

What is Christopher Chrosniak, CRNA's NPI number?

Christopher Chrosniak, CRNA's National Provider Identifier (NPI) is 1801444807, issued on Sep 3, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Chrosniak, CRNA located?

The NPPES record lists a practice address at 1200 N Beaver St, Flagstaff, AZ, 86001. Phone: (928) 213-6235. Providers update this record themselves, so call before visiting.

How can I verify Christopher Chrosniak, CRNA's license?

NPPES lists Arizona license number 322559, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

What is Christopher Chrosniak, CRNA's MIPS final score?

The 2023 MIPS final score is 77.3 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), 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.