William S. McWhirter
Certified Registered Nurse Anesthetist · Chicago, IL
William S. McWhirter is a certified registered nurse anesthetist with a practice address in Chicago, Illinois, and NPI 1285345660, issued on Dec 7, 2022. Check the license (Illinois 209.026960, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William S. McWhirter
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- 209.026960 IL
2017025334 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2900 N Lake Shore Dr, Chicago, IL 60657
- Phone
- (773) 665-3000
- Enumerated
- Dec 7, 2022
- Record last updated
- Apr 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20230612001533); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,444 in Illinois → Look up another NPI →
Also registered at 2900 N Lake Shore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hala Abbas, MDStudent in an Organized Health Care Education/Training Program1164306254
- Ahmed AbdelfattahInternal Medicine Physician1245839729
- Babak Abdollahshamshirsaz, M.D.Specialist1447585765
- Aamir Abdullah, MDStudent in an Organized Health Care Education/Training Program1336872951
- Mohammad Abou El-Ezz, MDSurgery Physician1790536746
- Bijoy Abraham, D.P.M.Podiatrist1164860482
Verify William S. McWhirter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209.026960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $42.53
2 payments; by number, the most common kind was food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. 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.
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
- Northstar Anesthesia OF Illinois, LLCChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William S. McWhirter among 2,444 certified registered nurse anesthetist records in Illinois
William S. McWhirter is one of 2,444 certified registered nurse anesthetist records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 82% of them.
- NPI issued2022 · 82% of these records are older, 13% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2022 · median 2015 among the 1,926 with a school on file
- Record last updated2023 · 48% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in Illinois
There are 2,444 certified registered nurse anesthetist records in Illinois.
All 2,444 in Illinois → Every provider in Chicago → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Joseph Anthony, CRNAChicago, IL 606571104208164
- Cheryl Blackwell, C.R.N.A.Chicago, IL 606571659583037
- Patricia Courtney, CRNAChicago, IL 606571649288127
- Heather Forster, CRNAChicago, IL 606571396759551
- Fatma Haiderzad, CRNAChicago, IL 606571982069803
- Erin Hallar, APN-CRNAChicago, IL 606571417320219
- Elizabeth Harms, CRNAChicago, IL 606571639183890
- Anne Hinkamp, CRNAChicago, IL 606571427069772
Common questions
What is William S. McWhirter's NPI number?
William S. McWhirter's National Provider Identifier (NPI) is 1285345660, issued on Dec 7, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William S. McWhirter located?
The NPPES record lists a practice address at 2900 N Lake Shore Dr, Chicago, IL, 60657. Phone: (773) 665-3000. Providers update this record themselves, so call before visiting.
How can I verify William S. McWhirter's license?
NPPES lists Illinois license number 209.026960, as entered by the provider. Search the Illinois 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.