Kathryn Rae Crofton, MD
Obstetrics & Gynecology Physician · Chicago, IL
Kathryn Rae Crofton, MD is an obstetrics & gynecology physician with a practice address in Chicago, Illinois, and NPI 1609453513, issued on Mar 26, 2021. Check the license (Illinois 036174450, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kathryn Rae Crofton
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036174450 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1620 W Harrison St Dept OF, Chicago, IL 60612
- Phone
- (312) 327-8850
- Enumerated
- Mar 26, 2021
- Record last updated
- Apr 17, 2025
- Medicare enrollment
- Enrolled (PECOS I20250424000757); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Verify Kathryn Rae Crofton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036174450Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
40 Medicare Part D claims for 23 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Ibuprofen12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Rush University Medical GroupChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Rae Crofton among 2,062 obstetrics & gynecology physician records in Illinois
Kathryn Rae Crofton, MD is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2021 · median 2006 among the 1,168 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
700 obstetrics & gynecology physician records list a practice address in Chicago
They are 700 of the 63,379 NPPES records with a practice address in Chicago, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Chicago → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Eric Brown, M.D.Chicago, IL 606121356303663
- Allison Cowett, M.D.Chicago, IL 606121639282668
- Sadia Haider, MDChicago, IL 606121033163522
- Kimberly Jezek-TischChicago, IL 606121720090269
- Robin Jones, M.D.Chicago, IL 606121942262258
- Martha KaempfeChicago, IL 606121821000142
- Andrea KempChicago, IL 606121932112927
- Edward Linn, M.D.Chicago, IL 606121730178765
Common questions
What is Kathryn Rae Crofton, MD's NPI number?
Kathryn Rae Crofton, MD's National Provider Identifier (NPI) is 1609453513, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Rae Crofton, MD located?
The NPPES record lists a practice address at 1620 W Harrison St Dept OF, Chicago, IL, 60612. Phone: (312) 327-8850. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Rae Crofton, MD's license?
NPPES lists Illinois license number 036174450, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kathryn Rae Crofton, MD prescribe under Medicare Part D?
In 2024, Kathryn Rae Crofton, MD had 40 Medicare Part D claims for 23 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions 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.