NPPES file of Aug 9, 2026

Thomas J. Meyer, M.D.

Obstetrics & Gynecology Physician · Lake Barrington, IL

Thomas J. Meyer, M.D. is an obstetrics & gynecology physician with a practice address in Lake Barrington, Illinois, and NPI 1144206012, issued on Dec 21, 2005. Check the license (Illinois 036-064210, 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
1144206012
Name
Thomas J. Meyer
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
036-064210 IL
Self-reported in NPPES; status is on the state search
Practice location
22N285 Pepper RD, Lake Barrington, IL 60010
Phone
(847) 382-7330
Enumerated
Dec 21, 2005
Record last updated
Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(847) 382-9654
Medicaid ID
036064210 IL
Medicare enrollment
Enrolled (PECOS I20040922000002); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1978
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 22N285 Pepper RD

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

  1. Derek Archer, M.D.Body Imaging Physician1629164256
  2. David Crandall, M.D.Obstetrics & Gynecology Physician1033195383
  3. Shahid Ilahi, M.D.Internal Medicine Physician1508867078

Verify Thomas J. Meyer 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 036-064210
    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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15% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

141 Medicare Part D claims for 49 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Thomas Meyer141
  2. Specialty average165

Most prescribed

  1. Estradiol28 claims
  2. Alendronate Sodium25 claims
  3. Estradiol (Twice Weekly)20 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. Lake Barrington Womens Health Center PCLake Barrington, IL

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

Thomas J. Meyer among 2,062 obstetrics & gynecology physician records in Illinois

Thomas J. Meyer, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1978 · 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).

3 obstetrics & gynecology physician records list a practice address in Lake Barrington

They are 3 of the 152 NPPES records with a practice address in Lake Barrington, and 2,062 obstetrics & gynecology physician records in Illinois.

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

  1. David Crandall, M.D.Lake Barrington, IL 600101033195383
  2. Thomas Digiulio, MDBarrington, IL 600101053380642
  3. Vidhi Gadson, M.D.Barrington, IL 600101164681151
  4. Jae Han, M.D.Barrington, IL 600101679740948
  5. Heather Herbolsheimer, D.O.Barrington, IL 600101669495743
  6. Prafulla Koneru, M.DSouth Barrington, IL 600101093700072
  7. Jennifer Moreira, MDBarrington, IL 600101760700280
  8. Daniel Pesavento, M.D.Barrington, IL 600101548225451

Common questions

What is Thomas J. Meyer, M.D.'s NPI number?

Thomas J. Meyer, M.D.'s National Provider Identifier (NPI) is 1144206012, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas J. Meyer, M.D. located?

The NPPES record lists a practice address at 22N285 Pepper RD, Lake Barrington, IL, 60010. Phone: (847) 382-7330. Providers update this record themselves, so call before visiting.

How can I verify Thomas J. Meyer, M.D.'s license?

NPPES lists Illinois license number 036-064210, 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 Thomas J. Meyer, M.D. prescribe under Medicare Part D?

In 2024, Thomas J. Meyer, M.D. had 141 Medicare Part D claims for 49 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.