NPPES file of Aug 9, 2026

Lexy Wistenberg, M.D.

Internal Medicine Physician · Morton Grove, IL

Lexy Wistenberg, M.D. is an internal medicine physician with a practice address in Morton Grove, Illinois, and NPI 1750389201, issued on Jul 8, 2005. Check the license (Illinois 036082382, 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
1750389201
Name
Lexy Wistenberg
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036082382 IL
Self-reported in NPPES; status is on the state search
Practice location
6131 Dempster St, Morton Grove, IL 60053
Phone
(847) 967-5010
Enumerated
Jul 8, 2005
Record last updated
May 12, 2022
Fax
(847) 967-5147
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 6131 Dempster St

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

  1. Kathy Bailey, M.DInternal Medicine Physician1235136961
  2. Daniel Berman, M.D.Internal Medicine Physician1255339792
  3. Jerry Bernstein, M.D.Internal Medicine Physician1770581092
  4. Gordon Cotell, M.D.Internal Medicine Physician1467450999
  5. Hillary Ecker, MDInternal Medicine Physician1356601256
  6. Judith James, FNP-BCFamily Nurse Practitioner1194972828

Verify Lexy Wistenberg 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 036082382
    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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2.8 times the Medicare Part D claims of the average internal medicine physician in 2024

8,818 Medicare Part D claims for 776 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 138 claims were for opioids.

  1. Lexy Wistenberg8,818
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium782 claims
  2. Levothyroxine Sodium462 claims
  3. Amlodipine Besylate455 claims
  4. Lisinopril423 claims
  5. Losartan Potassium350 claims
  6. Metoprolol Succinate282 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.

Lexy Wistenberg among 7,238 internal medicine physician records in Illinois

Lexy Wistenberg, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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, 93% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2022 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 internal medicine physician records list a practice address in Morton Grove

They are 11 of the 503 NPPES records with a practice address in Morton Grove, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Kathy Bailey, M.DMorton Grove, IL 600531235136961
  2. Daniel Berman, M.D.Morton Grove, IL 600531255339792
  3. Jerry Bernstein, M.D.Morton Grove, IL 600531770581092
  4. Gordon Cotell, M.D.Morton Grove, IL 600531467450999
  5. Hillary Ecker, MDMorton Grove, IL 600531356601256
  6. Daniel Lazar, M.D.Morton Grove, IL 600531841298395
  7. Minh Nguyen, DOMorton Grove, IL 600531326531138
  8. Susana Salcedo, M.D.Morton Grove, IL 600531134305402

Common questions

What is Lexy Wistenberg, M.D.'s NPI number?

Lexy Wistenberg, M.D.'s National Provider Identifier (NPI) is 1750389201, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Lexy Wistenberg, M.D. located?

The NPPES record lists a practice address at 6131 Dempster St, Morton Grove, IL, 60053. Phone: (847) 967-5010. Providers update this record themselves, so call before visiting.

How can I verify Lexy Wistenberg, M.D.'s license?

NPPES lists Illinois license number 036082382, 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 Lexy Wistenberg, M.D. prescribe under Medicare Part D?

In 2024, Lexy Wistenberg, M.D. had 8,818 Medicare Part D claims for 776 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.