Katherine Anne Favia, DO
Obstetrics & Gynecology Physician · Naperville, IL
Katherine Anne Favia, DO is an obstetrics & gynecology physician with a practice address in Naperville, Illinois, and NPI 1730702564, issued on May 27, 2020. Check the license (Illinois 036178347, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Katherine Anne Favia
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036178347 IL
Self-reported in NPPES; status is on the state search - Practice location
- 120 Spalding Dr Ste 401, Naperville, IL 60540
- Phone
- (630) 369-7700
- Enumerated
- May 27, 2020
- Record last updated
- Jul 23, 2026
- Fax
- (630) 717-0665
- Medicare enrollment
- Enrolled (PECOS I20260603003970); may accept Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2020
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 120 Spalding Dr Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Grace Keeney-BonthroneObstetrics & Gynecology Physician1740740661
- Shruti Kumar, MDObstetrics & Gynecology Physician1750030854
Verify Katherine Anne Favia 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 036178347Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
19 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Katherine Anne Favia among 2,062 obstetrics & gynecology physician records in Illinois
Katherine Anne Favia, DO 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 2020, is newer than 85% of them.
- NPI issued2020 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2006 among the 1,168 with a school on file
- Record last updated2026 · 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).
Obstetrics & Gynecology Physician providers in Illinois
There are 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Naperville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Linda AndersonNaperville, IL 605401528058195
- Andrew Badowski, MDNaperville, IL 605401104849272
- Vimi Bajaj, MD FACOGNaperville, IL 605401164488763
- Judith Bressler, M.D.Naperville, IL 605401194726547
- Michele Carney, MDNaperville, IL 605401750371340
- Michael Feingold, MDNaperville, IL 605401053366567
- Bridget Frangella, MDNaperville, IL 605401972578375
- John Josupait, MDNaperville, IL 605401972594018
Common questions
What is Katherine Anne Favia, DO's NPI number?
Katherine Anne Favia, DO's National Provider Identifier (NPI) is 1730702564, issued on May 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Anne Favia, DO located?
The NPPES record lists a practice address at 120 Spalding Dr Ste 401, Naperville, IL, 60540. Phone: (630) 369-7700. Providers update this record themselves, so call before visiting.
How can I verify Katherine Anne Favia, DO's license?
NPPES lists Illinois license number 036178347, 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 Katherine Anne Favia, DO prescribe under Medicare Part D?
In 2024, Katherine Anne Favia, DO had 19 Medicare Part D claims; 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.