NPPES file of Aug 9, 2026

Laura Jansen Treacy, MD

Obstetrics & Gynecology Physician · Vernon Hills, IL

Laura Jansen Treacy, MD is an obstetrics & gynecology physician with a practice address in Vernon Hills, Illinois, and NPI 1669024998, issued on Jul 16, 2019. Check the license (Illinois 036165468, 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
1669024998
Name
Laura Jansen Treacy
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036165468 IL
Self-reported in NPPES; status is on the state search
Practice location
225 N Milwaukee Ave, Vernon Hills, IL 60061
Phone
(847) 941-7600
Enumerated
Jul 16, 2019
Record last updated
Jul 12, 2023
Fax
(847) 941-7697
Medicare enrollment
Enrolled (PECOS I20230725002015); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 2019
Telehealth
Offers telehealth (CMS)
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 225 N Milwaukee Ave

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

  1. Nadeem Alavi, DOInternal Medicine Physician1609934983
  2. Alan Aronson, MDInternal Medicine Physician1992864946
  3. Tara Atta, M.D.Cardiovascular Disease Physician1639166374
  4. Rachel Blumenthal, C.N.M.Advanced Practice Midwife1861618647
  5. Carl Buccellato, MDObstetrics & Gynecology Physician1265545446
  6. Carissa Devereux, PT, DPTPhysical Therapist1255056909

Verify Laura Jansen Treacy 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 036165468
    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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50% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

83 Medicare Part D claims for 47 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Laura Treacy83
  2. Specialty average165

Most prescribed

  1. Estradiol22 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

  1. Endeavor Health Medical GroupMount Prospect, IL

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

Laura Jansen Treacy among 2,062 obstetrics & gynecology physician records in Illinois

Laura Jansen Treacy, 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 2019, is newer than 81% of them.

  • NPI issued2019 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2019 · 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).

11 obstetrics & gynecology physician records list a practice address in Vernon Hills

They are 11 of the 704 NPPES records with a practice address in Vernon Hills, and 2,062 obstetrics & gynecology physician records in Illinois.

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

  1. Gauri Bhatnagar, MDVernon Hills, IL 600611770226722
  2. Carl Buccellato, MDVernon Hills, IL 600611265545446
  3. Jennifer ChanVernon Hills, IL 600611891786471
  4. Dianna Kim, MDVernon Hills, IL 600611962403006
  5. Susan Kramer, MDVernon Hills, IL 600611386668291
  6. Sarah McCormick, D.O.Vernon Hills, IL 600611306157789
  7. James Milam, M.D.Vernon Hills, IL 600611053394718
  8. Megan Valassis, M.D.Vernon Hills, IL 600611427317668

Common questions

What is Laura Jansen Treacy, MD's NPI number?

Laura Jansen Treacy, MD's National Provider Identifier (NPI) is 1669024998, issued on Jul 16, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Laura Jansen Treacy, MD located?

The NPPES record lists a practice address at 225 N Milwaukee Ave, Vernon Hills, IL, 60061. Phone: (847) 941-7600. Providers update this record themselves, so call before visiting.

How can I verify Laura Jansen Treacy, MD's license?

NPPES lists Illinois license number 036165468, 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 Laura Jansen Treacy, MD prescribe under Medicare Part D?

In 2024, Laura Jansen Treacy, MD had 83 Medicare Part D claims for 47 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.