Margaret Hartig
Certified Registered Nurse Anesthetist · Chicago, IL
Margaret Hartig is a certified registered nurse anesthetist with a practice address in Chicago, Illinois, and NPI 1225120033, issued on Sep 29, 2006. Check the license (Illinois 209002435, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Hartig
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- 209002435 IL
041308063 IL
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St Ste 10-548, Chicago, IL 60611
- Phone
- (312) 695-4387
- Enumerated
- Sep 29, 2006
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (312) 695-9013
- Medicare enrollment
- Enrolled (PECOS I20241211001872); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 2,444 in Illinois → Look up another NPI →
Verify Margaret Hartig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209002435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Lawrence Anesthesia Services LLCCambridge, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Hartig among 2,444 certified registered nurse anesthetist records in Illinois
Margaret Hartig 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 73% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2016 · median 2015 among the 1,926 with a school on file
- Record last updated2018 · 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
- Teresita Banez, CRNAChicago, IL 606111427028679
- Susan Carpenter, CRNAChicago, IL 606111164484622
- Linda Chambers, CRNAChicago, IL 606111144282088
- David Clanton, CRNAChicago, IL 606111225030711
- Julane Clarke, CRNAChicago, IL 606111013970029
- Nancy Decorrevant, CRNAChicago, IL 606111912961574
- Eileen Dollear, CRNAChicago, IL 606111417919515
- Jeanette Dubay-McDermit, CRNAChicago, IL 606111427052885
Common questions
What is Margaret Hartig's NPI number?
Margaret Hartig's National Provider Identifier (NPI) is 1225120033, issued on Sep 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Hartig located?
The NPPES record lists a practice address at 676 N Saint Clair St Ste 10-548, Chicago, IL, 60611. Phone: (312) 695-4387. Providers update this record themselves, so call before visiting.
How can I verify Margaret Hartig's license?
NPPES lists Illinois license number 209002435, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
What is Margaret Hartig's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.