NPPES file of Aug 9, 2026

Heidi Wehlus, M.D.

Internal Medicine Physician · Buffalo Grove, IL

Heidi Wehlus, M.D. is an internal medicine physician with a practice address in Buffalo Grove, Illinois, and NPI 1912163130, issued on Aug 7, 2008. Check the license (Illinois 036-122890, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912163130
Name
Heidi Wehlus
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036-122890 IL
Self-reported in NPPES; status is on the state search
Practice location
1450 Busch Pkwy Ste 110, Buffalo Grove, IL 60089
Phone
(847) 495-2311
Enumerated
Aug 7, 2008
Record last updated
Jul 31, 2026
Fax
(833) 455-7658
Medicare enrollment
Enrolled (PECOS I20090807000201); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2006
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 1450 Busch Pkwy Ste 110

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

  1. Gregory Lindsay, MDFamily Medicine Physician1942416607

Verify Heidi Wehlus 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 036-122890
    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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38% more Medicare Part D claims than the average internal medicine physician in 2024

4,372 Medicare Part D claims for 430 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 30 claims were for opioids.

  1. Heidi Wehlus4,372
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium394 claims
  2. Levothyroxine Sodium322 claims
  3. Amlodipine Besylate217 claims
  4. Lisinopril215 claims
  5. Rosuvastatin Calcium156 claims
  6. Irbesartan107 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.

The MIPS final score for 2023 (Medicare payment program): 89.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $138.66

7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Heidi Wehlus$138.66
  2. Specialty average$1,303.06

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. Endeavor Health Medical GroupPalatine, IL

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

Heidi Wehlus among 7,238 internal medicine physician records in Illinois

Heidi Wehlus, 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 2008, is newer than 45% of them.

  • NPI issued2008 · 45% of these records are older, 51% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2006 · median 2003 among the 3,580 with a school on file
  • Record last updated2026 · 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).

24 internal medicine physician records list a practice address in Buffalo Grove

They are 24 of the 868 NPPES records with a practice address in Buffalo Grove, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. David Charman, M.D.Buffalo Grove, IL 600891346228954
  2. Mark Charman, M.D.Buffalo Grove, IL 600891033197637
  3. Stuart Ferber, M.D.Buffalo Grove, IL 600891952389413
  4. Irina Goldvekht, D.O.Buffalo Grove, IL 600891154309755
  5. Thomas Heggen, MDBuffalo Grove, IL 600891710974860
  6. Gabriel Kibrit, MDBuffalo Grove, IL 600891477531937
  7. Carl Lang, M.D.Buffalo Grove, IL 600891730167339
  8. Wendi Marcus, M.D.Buffalo Grove, IL 600891548249113

Common questions

What is Heidi Wehlus, M.D.'s NPI number?

Heidi Wehlus, M.D.'s National Provider Identifier (NPI) is 1912163130, issued on Aug 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Heidi Wehlus, M.D. located?

The NPPES record lists a practice address at 1450 Busch Pkwy Ste 110, Buffalo Grove, IL, 60089. Phone: (847) 495-2311. Providers update this record themselves, so call before visiting.

How can I verify Heidi Wehlus, M.D.'s license?

NPPES lists Illinois license number 036-122890, 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 Heidi Wehlus, M.D. prescribe under Medicare Part D?

In 2024, Heidi Wehlus, M.D. had 4,372 Medicare Part D claims for 430 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Heidi Wehlus, M.D.'s MIPS final score?

The 2023 MIPS final score is 89.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.