NPPES file of Aug 9, 2026

Leah Nicole Treffeisen, DO

Obstetrics & Gynecology Physician · Hoffman Estates, IL

Leah Nicole Treffeisen, DO is an obstetrics & gynecology physician with a practice address in Hoffman Estates, Illinois, and NPI 1043079387, issued on Mar 18, 2024. Check the license (Illinois 125084221, 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
1043079387
Name
Leah Nicole Treffeisen
Credential
DO
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
125084221 IL
Self-reported in NPPES; status is on the state search
Practice location
1555 Barrington RD, Hoffman Estates, IL 60169
Phone
(224) 299-6939
Enumerated
Mar 18, 2024
Record last updated
Jun 24, 2024
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1555 Barrington RD

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

  1. Lita AraysiObstetrics & Gynecology Physician1730882234
  2. Shanthi Aribindi, M.D.Anesthesiology Physician1033174719
  3. Dimitri Bagrov, C.R.N.A.Certified Registered Nurse Anesthetist1205285855
  4. Matangi Bala, MDAnesthesiology Physician1508035213
  5. Kristen Bishop, M.D.Pediatric Endocrinology Physician1326297292
  6. Neha Bodiwala, APNFamily Nurse Practitioner1336684547

Verify Leah Nicole Treffeisen 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 125084221
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $49.55

2 payments; by number, the most common kind was food and beverage; the largest payer was Organon 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. Leah Treffeisen$49.55
  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.

Leah Nicole Treffeisen among 2,062 obstetrics & gynecology physician records in Illinois

Leah Nicole Treffeisen, 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 2024, is newer than 95% of them.

  • NPI issued2024 · 95% of these records are older, 3% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2024 · 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).

27 obstetrics & gynecology physician records list a practice address in Hoffman Estates

They are 27 of the 1,293 NPPES records with a practice address in Hoffman Estates, and 2,062 obstetrics & gynecology physician records in Illinois.

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

  1. Samreen Akbar, M.D.Hoffman Estates, IL 601691750515367
  2. Bishara Baddour, M.D.Hoffman Estates, IL 601691093078388
  3. Henry Davis, MDHoffman Estates, IL 601691720065642
  4. Fred Duboe, MDHoffman Estates, IL 601691386641751
  5. Gail Gerber, M.D.Hoffman Estates, IL 601691144227521
  6. Alan Johnson, M.D.Hoffman Estates, IL 601691083605034
  7. Djamilia Kryukov, M.D.Hoffman Estates, IL 601691588873756
  8. Kishore Lakhani, MDSCHoffman Estates, IL 601691376687319

Common questions

What is Leah Nicole Treffeisen, DO's NPI number?

Leah Nicole Treffeisen, DO's National Provider Identifier (NPI) is 1043079387, issued on Mar 18, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Leah Nicole Treffeisen, DO located?

The NPPES record lists a practice address at 1555 Barrington RD, Hoffman Estates, IL, 60169. Phone: (224) 299-6939. Providers update this record themselves, so call before visiting.

How can I verify Leah Nicole Treffeisen, DO's license?

NPPES lists Illinois license number 125084221, 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.

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.