NPPES file of Aug 9, 2026

Gregory Aaron Wallman, DO

Internal Medicine Physician · Glenview, IL

Gregory Aaron Wallman, DO is an internal medicine physician with a practice address in Glenview, Illinois, and NPI 1043324643, issued on Aug 19, 2006. Check the license (Illinois 036107048, 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
1043324643
Name
Gregory Aaron Wallman
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036107048 IL
Self-reported in NPPES; status is on the state search
Practice location
2501 Compass RD, Glenview, IL 60026
Phone
(847) 901-5200
Enumerated
Aug 19, 2006
Record last updated
Mar 23, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(847) 904-4907
Medicare enrollment
Enrolled (PECOS I20050829000514); accepts Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 1999
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 2501 Compass RD

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

  1. Douglas Adler, MDGastroenterology Physician1255313367
  2. Ronald Bloom, MDGastroenterology Physician1659353779
  3. Michael Caughron, M.D.Internal Medicine Physician1164534137
  4. Paul Chamas, DPMFoot & Ankle Surgery Podiatrist1912075987
  5. Kenneth Chi, MDGastroenterology Physician1821070939
  6. Thomas Ficho, M.D., PH.D.Internal Medicine Physician1336141746

Verify Gregory Aaron Wallman 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 036107048
    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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3.5 times the Medicare Part D claims of the average internal medicine physician in 2024

11,003 Medicare Part D claims for 777 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 110 claims were for opioids.

  1. Gregory Wallman11,003
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium756 claims
  2. Levothyroxine Sodium558 claims
  3. Amlodipine Besylate371 claims
  4. Eliquis301 claims
  5. Losartan Potassium299 claims
  6. Metoprolol Succinate268 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): 93.1 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 score80.8
  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).

Bills Medicare through one group practice

  1. Covenant Medical Group, LLCGlenview, IL

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

Gregory Aaron Wallman among 7,238 internal medicine physician records in Illinois

Gregory Aaron Wallman, DO 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 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1999 · median 2003 among the 3,580 with a school on file
  • Record last updated2015 · 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).

57 internal medicine physician records list a practice address in Glenview

They are 57 of the 2,545 NPPES records with a practice address in Glenview, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gabriel Berlin, M.D.Glenview, IL 600261831296474
  2. Michael Caughron, M.D.Glenview, IL 600261164534137
  3. Greg Denenberg, MDGlenview, IL 600261235185299
  4. Thomas Ficho, M.D., PH.D.Glenview, IL 600261336141746
  5. Roger Hecker, MDGlenview, IL 600261083630925
  6. Videsha Kulkarni, MDGlenview, IL 600261215988126
  7. Evan Lipkis, MDGlenview, IL 600261770560757
  8. Sheree Lipkis, MDGlenview, IL 600261548248438

Common questions

What is Gregory Aaron Wallman, DO's NPI number?

Gregory Aaron Wallman, DO's National Provider Identifier (NPI) is 1043324643, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Aaron Wallman, DO located?

The NPPES record lists a practice address at 2501 Compass RD, Glenview, IL, 60026. Phone: (847) 901-5200. Providers update this record themselves, so call before visiting.

How can I verify Gregory Aaron Wallman, DO's license?

NPPES lists Illinois license number 036107048, 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 Gregory Aaron Wallman, DO prescribe under Medicare Part D?

In 2024, Gregory Aaron Wallman, DO had 11,003 Medicare Part D claims for 777 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Gregory Aaron Wallman, DO's MIPS final score?

The 2023 MIPS final score is 93.1 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.