NPPES file of Aug 9, 2026

John Steven Waschak, CRNA

Certified Registered Nurse Anesthetist · Columbia, MO

John Steven Waschak, CRNA is a certified registered nurse anesthetist with a practice address in Columbia, Missouri, and NPI 1922102045, issued on Sep 11, 2006. Check the license (Missouri 2021013062, as entered in NPPES) with the Missouri 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922102045
Name
John Steven Waschak
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
2021013062 MO
RN 480439 NA 1911 CA
Self-reported in NPPES; status is on the state search
Practice location
One Hospital Dr, Columbia, MO 65212
Phone
(573) 882-2568
Enumerated
Sep 11, 2006
Record last updated
Nov 3, 2023
Fax
(855) 903-0985
Medicare enrollment
Enrolled (PECOS I20210514001714); 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 One Hospital Dr

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

  1. Mohamed Abdelhakiem, MDRadiation Oncology Physician1073017216
  2. Ma'n Abdullah, MDGastroenterology Physician1598766891
  3. Sean Abraham, D.O.Emergency Medicine Physician1326368994
  4. Angus Acton, MDPediatric Radiology Physician1689235863
  5. Adrine Adams, CRNACertified Registered Nurse Anesthetist1649230970
  6. Saqib Ahmed, MDInternal Medicine Physician1376978064

Verify John Steven Waschak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2021013062
    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 Missouri 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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Industry payments in 2024: $14.31

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Waschak$14.31
  2. Specialty average$135.08

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. Columbia Orthopaedic Group LLPColumbia, MO

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

John Steven Waschak among 2,069 certified registered nurse anesthetist records in Missouri

John Steven Waschak, CRNA is one of 2,069 certified registered nurse anesthetist records with a practice address in Missouri. 77% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 65% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1976 · median 2013 among the 1,508 with a school on file
  • Record last updated2023 · 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 367500000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

188 certified registered nurse anesthetist records list a practice address in Columbia

They are 188 of the 6,004 NPPES records with a practice address in Columbia, and 2,069 certified registered nurse anesthetist records in Missouri.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Adrine Adams, CRNAColumbia, MO 652121649230970
  2. Gary Giles, CRNAColumbia, MO 652121659336584
  3. Mark Gortmaker, CRNAColumbia, MO 652121649244161
  4. Melissa Grcic-Jacobelli, CRNAColumbia, MO 652121023094372
  5. Jason Hall, CRNAColumbia, MO 652121346220738
  6. Michael Kester, CRNAColumbia, MO 652121750356853
  7. Lillian Klawitter, CRNAColumbia, MO 652121386600278
  8. Mark Lee, C.R.N.A.Columbia, MO 652121932180940

Common questions

What is John Steven Waschak, CRNA's NPI number?

John Steven Waschak, CRNA's National Provider Identifier (NPI) is 1922102045, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Steven Waschak, CRNA located?

The NPPES record lists a practice address at One Hospital Dr, Columbia, MO, 65212. Phone: (573) 882-2568. Providers update this record themselves, so call before visiting.

How can I verify John Steven Waschak, CRNA's license?

NPPES lists Missouri license number 2021013062, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity 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.