NPPES file of Aug 9, 2026

Carolyn N. Mills, MD

Obstetrics & Gynecology Physician · Dekalb, IL

Carolyn N. Mills, MD is an obstetrics & gynecology physician with a practice address in Dekalb, Illinois, and NPI 1548354731, issued on Oct 3, 2006. Check the license (Illinois 036100945, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1548354731
Name
Carolyn N. Mills
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036100945 IL
Self-reported in NPPES; status is on the state search
Practice location
1 Kish Hospital Dr, Dekalb, IL 60115
Phone
(815) 766-7021
Enumerated
Oct 3, 2006
Record last updated
Aug 30, 2023
Fax
(815) 758-5690
Medicaid ID
036100945 IL
Medicare enrollment
Enrolled (PECOS I20040319000074); accepts Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1997
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 1 Kish Hospital Dr

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

  1. Syed Abdur-Rahman, MDHospitalist Physician1538658729
  2. Christopher Adams, CRNACertified Registered Nurse Anesthetist1326182635
  3. Tiffany Adamson, APRN, FNP-BCNurse Practitioner1679299606
  4. Talha Ahmed, DOEmergency Medicine Physician1225560733
  5. Estefany AndersonPhysical Therapist1689127318
  6. David Anthony, M.D., M.P.H.Emergency Medicine Physician1649437682

Verify Carolyn N. Mills in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036100945
    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
Open the Illinois license search

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82% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

30 Medicare Part D claims for 18 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Carolyn Mills30
  2. Specialty average165

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

  1. Central Dupage Physician GroupDekalb, IL

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

Carolyn N. Mills among 2,062 obstetrics & gynecology physician records in Illinois

Carolyn N. Mills, 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 2006, is newer than 12% of them.

  • NPI issued2006 · 12% of these records are older, 54% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1997 · median 2006 among the 1,168 with a school on file
  • Record last updated2023 · 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.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Joseph Baumgart, MDDekalb, IL 601151235124488
  2. Corissa Elgar, M.D.Dekalb, IL 601151306162458
  3. Rosanna Olofsson, DODekalb, IL 601151922093178
  4. Natalie Price, MDDekalb, IL 601151710906235
  5. Lata Santa Ines, MDElgin, IL 601201871621136
  6. Steven Binette, MDBloomingdale, IL 601081770535445
  7. Samuel Botros, M.D.Bloomingdale, IL 601081568637866
  8. Vernon Cannon, M.D.Bloomingdale, IL 601081740293703

Common questions

What is Carolyn N. Mills, MD's NPI number?

Carolyn N. Mills, MD's National Provider Identifier (NPI) is 1548354731, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carolyn N. Mills, MD located?

The NPPES record lists a practice address at 1 Kish Hospital Dr, Dekalb, IL, 60115. Phone: (815) 766-7021. Providers update this record themselves, so call before visiting.

How can I verify Carolyn N. Mills, MD's license?

NPPES lists Illinois license number 036100945, 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 Carolyn N. Mills, MD prescribe under Medicare Part D?

In 2024, Carolyn N. Mills, MD had 30 Medicare Part D claims for 18 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.