NPPES file of Aug 9, 2026

Maria Ann Kronlage, D.O.

Obstetrics & Gynecology Physician · Oak Lawn, IL

Maria Ann Kronlage, D.O. is an obstetrics & gynecology physician with a practice address in Oak Lawn, Illinois, and NPI 1326364316, issued on Apr 15, 2010. Check the license (Illinois 036.132071, 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
1326364316
Name
Maria Ann Kronlage
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036.132071 IL
Self-reported in NPPES; status is on the state search
Practice location
5851 W 95TH St Ste 400, Oak Lawn, IL 60453
Phone
(708) 857-7230
Enumerated
Apr 15, 2010
Record last updated
Dec 29, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(708) 425-5779
Medicare enrollment
Enrolled (PECOS I20150616001043); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2010
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 5851 W 95TH St Ste 400

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

  1. Katie Bieber, D.O.Obstetrics & Gynecology Physician1518340603
  2. Ashley Fajardo, FNP-BCFamily Nurse Practitioner1144720368
  3. Jessica Jajesniak, APRNWomen's Health Nurse Practitioner1780496646
  4. Lindsey Mabry, D.O.Obstetrics & Gynecology Physician1548588056
  5. Meredith Manire, MD, PHDObstetrics & Gynecology Physician1639630676
  6. Kristin Swope, MDObstetrics & Gynecology Physician1043954464

Verify Maria Ann Kronlage 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 036.132071
    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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63% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

61 Medicare Part D claims for 16 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Maria Kronlage61
  2. Specialty average165

Most prescribed

  1. Alendronate Sodium23 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.

Industry payments in 2024: $354.08

18 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maria Kronlage$354.08
  2. Specialty average$1,030.61

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

  1. Foti Chronopoulos MD SCOak Lawn, IL

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

Maria Ann Kronlage among 2,062 obstetrics & gynecology physician records in Illinois

Maria Ann Kronlage, D.O. 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 2010, is newer than 59% of them.

  • NPI issued2010 · 59% of these records are older, 38% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2010 · median 2006 among the 1,168 with a school on file
  • Record last updated2021 · 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).

37 obstetrics & gynecology physician records list a practice address in Oak Lawn

They are 37 of the 2,993 NPPES records with a practice address in Oak Lawn, and 2,062 obstetrics & gynecology physician records in Illinois.

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

  1. Christine Anderson, M.D.Oak Lawn, IL 604531740362482
  2. Anita Arora, M.D.Oak Lawn, IL 604531528097474
  3. Joseph Axelrod, M.D.Oak Lawn, IL 604531548342199
  4. Foti Chronopoulos, MDOak Lawn, IL 604531881750776
  5. Nancy Church, M.D.Oak Lawn, IL 604531710069026
  6. Yvonne Collins, MD, FACOGOak Lawn, IL 604531902919954
  7. Kieya Dugar, MDOak Lawn, IL 604531801810197
  8. Yesim Gulecyuz, M.D.Oak Lawn, IL 604531861575979

Common questions

What is Maria Ann Kronlage, D.O.'s NPI number?

Maria Ann Kronlage, D.O.'s National Provider Identifier (NPI) is 1326364316, issued on Apr 15, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Maria Ann Kronlage, D.O. located?

The NPPES record lists a practice address at 5851 W 95TH St Ste 400, Oak Lawn, IL, 60453. Phone: (708) 857-7230. Providers update this record themselves, so call before visiting.

How can I verify Maria Ann Kronlage, D.O.'s license?

NPPES lists Illinois license number 036.132071, 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 Maria Ann Kronlage, D.O. prescribe under Medicare Part D?

In 2024, Maria Ann Kronlage, D.O. had 61 Medicare Part D claims for 16 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.