NPPES file of Aug 9, 2026

Maureen Tart, M.D.

Obstetrics Physician · Lake Forest, IL

Maureen Tart, M.D. is an obstetrics physician with a practice address in Lake Forest, Illinois, and NPI 1770691321, issued on Aug 25, 2006. Check the license (Illinois 036100464, 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
1770691321
Name
Maureen Tart
Credential
M.D.
Primary taxonomy
Obstetrics Physician 207VX0000X
License number
036100464 IL
Self-reported in NPPES; status is on the state search
Practice location
959 S Waukegan RD, Lake Forest, IL 60045
Phone
(847) 234-3250
Enumerated
Aug 25, 2006
Record last updated
Feb 19, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(847) 234-8155
Medicare enrollment
Enrolled (PECOS I20111105000021); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1996
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 959 S Waukegan RD

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

  1. Heather Heiberger, M.D.Obstetrics & Gynecology Physician1053330720
  2. Jill Holden, M.D.Obstetrics & Gynecology Physician1548289200
  3. Tanya Huang, M.D.Obstetrics & Gynecology Physician1134141989
  4. Michael Hubbell, M.D.Obstetrics & Gynecology Physician1538181268
  5. Elizabeth Oh, M.D.Obstetrics & Gynecology Physician1952322554

Verify Maureen Tart 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 036100464
    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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28% fewer Medicare Part D claims than the average obstetrics physician in 2024

156 Medicare Part D claims for 64 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.

  1. Maureen Tart156
  2. Specialty average218

Most prescribed

  1. Estradiol35 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: $168.65

5 payments; by number, the most common kind was food and beverage; the largest payer was Millicent US Inc. The 679 providers of this specialty with any payment received $826.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maureen Tart$168.65
  2. Specialty average$826.19

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. OB-Gyne Associates OF Lake Forest LtdLake Forest, IL

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

Obstetrics Physician providers in Illinois

There are 54 obstetrics physician records in Illinois.

Other obstetrics physician records in Illinois

  1. Medha Amin, MDDowners Grove, IL1912197534
  2. Heather Bouma-Johnston, MDChicago, IL1376172049
  3. Sarah Bradley, M.D.Rockford, IL1124225073
  4. Jesse Buedefeldt-Pollard, M.D.Springfield, IL1669768644
  5. Melvin Bunn, MDChicago, IL1427007582
  6. Cerise Bush, MDFrankfort, IL1053567099
  7. John Bush, M.D.Park Ridge, IL1710120779
  8. Helen Cejtin, MDChicago, IL1497971931
  9. Vicki Chamberlain, MDArlington Hts, IL1538155650
  10. Phyllis Chang, MDGeneva, IL1265654735

Common questions

What is Maureen Tart, M.D.'s NPI number?

Maureen Tart, M.D.'s National Provider Identifier (NPI) is 1770691321, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maureen Tart, M.D. located?

The NPPES record lists a practice address at 959 S Waukegan RD, Lake Forest, IL, 60045. Phone: (847) 234-3250. Providers update this record themselves, so call before visiting.

How can I verify Maureen Tart, M.D.'s license?

NPPES lists Illinois license number 036100464, 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 Maureen Tart, M.D. prescribe under Medicare Part D?

In 2024, Maureen Tart, M.D. had 156 Medicare Part D claims for 64 beneficiaries; the average among obstetrics physician prescribers was 218. 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.