Dr. Gregory Aaron Wallman, DO
- Medicare services, 2024
- 3,639
- Medicare patients, 2024
- 971
- Part D claims, 2024
- 11,003
- Hospital affiliations
- 4
- Industry payments
- $9,280
- Practice address
- 2501 Compass Rd Suite 100 Suite 100, Glenview, IL 60026-8000
- Practice phone
- Call (847) 901-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Covenant Medical Group
Primary care practice · Glenview, Illinois
Find Dr. Wallman's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Gregory Aaron Wallman is an internist in Glenview, Illinois
Dr. Wallman practices at Covenant Medical Group in Glenview, Illinois.
Dr. Wallman's NPI, 1043324643, was assigned on August 19, 2006. Dr. Wallman graduated from Midwestern University, Chicago College of Osteopathic Med in 1999. Dr. Wallman holds Illinois license 036107048.
- NPI
- 1043324643NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365473444
- NPI enumeration date
- August 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (847) 901-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory Aaron Wallman practices at Covenant Medical Group in Glenview, Illinois
Dr. Wallman's primary practice is Covenant Medical Group, at 2501 Compass Rd Suite 100 Suite 100, Glenview, IL 60026-8000. The practice phone is (847) 901-5200.
- Covenant Medical Group2501 Compass Rd Suite 100 Suite 100, Glenview, IL 60026-8000Phone(847) 901-5200
Source: Dmand AI Affiliation Data
Dr. Gregory Aaron Wallman is affiliated with 19 sites of care and 3 medical groups
Dr. Wallman's primary practice is Covenant Medical Group in Glenview, Illinois. Dr. Wallman is also affiliated with Northwestern Medicine Central DuPage Hospital. The medical group on file is Covenant Medical Group. Dmand AI also links Dr. Wallman to 3 more hospitals, 5 hospices, 4 home health agencies, 3 skilled nursing facilities, 2 group practices and clinics and 2 medical groups, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregory Aaron Wallman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallman practices, 19 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Covenant Medical Group | Available with a free account |
| +18 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregory Aaron Wallman is one of 5,652 internists in Illinois
Internal medicine is Dr. Wallman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Wallman is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Wallman
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory Aaron Wallman billed Medicare for 3,639 services in 2024
CMS data shows 3,639 Medicare services from Dr. Wallman across 11 procedure codes in 2024, for 971 Medicare patients. Medicare paid $317,922 for them.
Dr. Wallman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,2742024: 2,70719%
- Other services
- 2023: 6162024: 6111%
- Tests and treatments
- 2023: 1742024: 21322%
- Surgery
- 2023: 142024: 108671%
- Lab and pathology
- 2023: 282024: 0100%
Where Dr. Wallman's Medicare services took place, 2024
- In an office1,98354%
- In a facility1,65646%
Dr. Wallman compared with the Illinois median for internists, 2024
- Dr. Wallman
- Illinois median
- Medicare services
- 3,639vs 5666.4 times
- Medicare patients
- 971vs 2084.7 times
- Part D claims
- 10,106vs 28435.6 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Wallman's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wallman and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory Aaron Wallman treated 971 Medicare patients in 2024, average age 79
CMS counts 971 Medicare patients who saw Dr. Wallman in 2024. The largest group is 75 to 84, with 399 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wallman's median patient age at 72, with 46% women.
Dr. Wallman's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wallman's Medicare patients by sex, 2024
- Women48550%
- Men48650%
Chronic conditions among Dr. Wallman's Medicare patients, 2024
- High cholesterol75%
- High blood pressure71%
- Arthritis57%
- Ischemic heart disease37%
- Anxiety31%
- Diabetes29%
- Mood disorders29%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wallman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregory Aaron Wallman wrote 11,003 Medicare Part D claims in 2024
In 2024, Dr. Wallman wrote 11,003 Medicare Part D claims for 777 patients. 86% of them were for generic drugs. CMS names the drug for 10,106 of them, across 151 drugs with 11 or more claims each, at $752,700 in total drug cost. In 2023, CMS named 9,046 claims across 142 drugs.
Dr. Wallman's Part D claims by kind of drug, 2024
- Generic9,448 claims86%
- Brand-name1,508 claims14%
- Other47 claims0%
Dr. Wallman's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Wallman's Part D claims, 2024
- Opioids1%110 of 11,003 claims
- Antibiotics3%307 of 11,003 claims
- Antipsychotics, patients 65 and over2%209 of 11,003 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,0462024: 10,10612%
Drugs named by CMS: 151 in 2024, 142 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Gregory Aaron Wallman offers telehealth to Medicare patients
Dr. Wallman accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wallman as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregory Aaron Wallman received $9,280 in industry payments from 2016 to 2025
CMS Open Payments shows 595 general payments to Dr. Wallman from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $1,030.
General payments to Dr. Wallman by program year, 2016 to 2025
General payments to Dr. Wallman by kind, 2016 to 2025
- Food and beverage$9,238100%
- Education$420%
Companies that paid Dr. Wallman the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gregory Aaron Wallman graduated from Midwestern University, Chicago College of Osteopathic Med
Dr. Wallman graduated from Midwestern University, Chicago College of Osteopathic Med in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gregory Aaron Wallman's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gregory Aaron Wallman
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gregory Aaron Wallman's NPI number?
Dr. Gregory Aaron Wallman's NPI number is 1043324643. It was assigned on August 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory Aaron Wallman?
Dr. Gregory Aaron Wallman is an internist in Glenview, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregory Aaron Wallman practice?
Dr. Wallman practices at 2501 Compass Rd Suite 100 Suite 100, Glenview, IL 60026-8000. Dr. Wallman's primary practice is Covenant Medical Group in Glenview, Illinois. Dmand AI also links Dr. Wallman to 3 hospitals, 5 hospices, 4 home health agencies, 3 skilled nursing facilities, 2 group practices and clinics and 2 medical groups.
What is Dr. Gregory Aaron Wallman's office phone number?
The practice phone on file for Dr. Wallman is (847) 901-5200.
What is Dr. Gregory Aaron Wallman's medical license number?
Dr. Wallman holds Illinois license 036107048.
Which hospitals is Dr. Gregory Aaron Wallman affiliated with?
Dr. Wallman is affiliated with Northwestern Medicine Central DuPage Hospital. Dmand AI links Dr. Wallman to 3 more hospitals.
What medical group is Dr. Gregory Aaron Wallman part of?
Dr. Wallman is linked to Covenant Medical Group. Dmand AI links Dr. Wallman to 2 more medical groups.
Does Dr. Gregory Aaron Wallman accept Medicare?
Yes. CMS data shows Dr. Wallman billed Medicare for 3,639 services in 2024, and Dr. Wallman accepts Medicare assignment.
Does Dr. Gregory Aaron Wallman offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wallman as offering telehealth services.
How many Medicare patients does Dr. Gregory Aaron Wallman see?
CMS counts 971 Medicare patients who saw Dr. Wallman in 2024, with an average age of 79.
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What services does Dr. Gregory Aaron Wallman bill to Medicare?
In 2024, Dr. Wallman's most billed Medicare services were nursing facility care (99305), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Gregory Aaron Wallman go to medical school?
Dr. Wallman graduated from Midwestern University, Chicago College of Osteopathic Med in 1999.
What drugs does Dr. Gregory Aaron Wallman prescribe most?
In 2024 Medicare Part D data, Dr. Wallman's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Gregory Aaron Wallman received payments from drug or device companies?
CMS Open Payments shows $9,280 in general payments to Dr. Wallman from 39 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Gregory Aaron Wallman been practicing?
Dr. Wallman graduated from medical school in 1999, 27 years ago.
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