Dr. Gary C. Steven, MD
- Medicare services, 2024
- 2,343
- Medicare patients, 2024
- 189
- Part D claims, 2024
- 1,711
- Publications
- 8
- Clinical trials
- 1
- Practice address
- 8585 W Forest Home Ave, Milwaukee, WI 53228
- Practice phone
- Call (414) 427-5138
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Milwaukee ASC LLC
Milwaukee, Wisconsin
Find Dr. Steven's professional email, personal email and mobile number
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Dr. Gary C. Steven is an allergy physician in Milwaukee, Wisconsin
Dr. Steven practices at Milwaukee ASC LLC in Milwaukee, Wisconsin.
Dr. Steven's NPI, 1972530699, was assigned on June 27, 2006. Dr. Steven graduated from Medical College of Wisconsin in 1991. Dr. Steven holds Wisconsin license 33574020.
- NPI
- 1972530699NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961558697
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (414) 427-5138
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary C. Steven practices at Milwaukee ASC LLC in Milwaukee, Wisconsin
Dr. Steven's primary practice is Milwaukee ASC LLC, at 8585 W Forest Home Ave, Milwaukee, WI 53228 in Milwaukee County. The practice phone is (414) 427-5138.
- Milwaukee ASC LLC8585 W Forest Home Ave, Milwaukee, WI 53228 · Milwaukee CountyPhone(414) 427-5138
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gary C. Steven is affiliated with 2 sites of care and 2 medical groups
Dr. Steven's primary practice is Milwaukee ASC LLC in Milwaukee, Wisconsin. The medical group on file is Wisconsin Health Fund. Dmand AI also links Dr. Steven to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gary C. Steven's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Steven practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Milwaukee ASC LLC | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary C. Steven is one of 16 allergy physicians in Wisconsin
Allergy is Dr. Steven's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Steven is licensed in Wisconsin.
Specialties and state licenses
- Allergy, WisconsinPrimary
Allergy physicians near Dr. Steven
Counts of allergy physicians 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. Gary C. Steven billed Medicare for 2,343 services in 2024
CMS data shows 2,343 Medicare services from Dr. Steven across 9 procedure codes in 2024, for 189 Medicare patients. Medicare paid $41,019 for them. Every service was in an office.
Dr. Steven's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,3522024: 2,07453%
- Office and hospital visits
- 2023: 1752024: 26954%
- Other services
- 2023: 132024: 0100%
Dr. Steven compared with the Wisconsin median for allergy physicians, 2024
- Dr. Steven
- Wisconsin median
- Medicare services
- 2,343vs 5584.2 times
- Medicare patients
- 189vs 10777% above
- Part D claims
- 1,492vs 3594.2 times
Medians across 15 allergy physicians in Wisconsin with Dmand AI profiles that report each measure.
Dr. Steven'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. Steven and other allergy physicians in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary C. Steven treated 189 Medicare patients in 2024, average age 71
CMS counts 189 Medicare patients who saw Dr. Steven in 2024. The largest group is 65 to 74, with 113 patients. 74% of them have high cholesterol, and 60% have high blood pressure. 12% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Steven's median patient age at 53, with 63% women.
Dr. Steven's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Steven's Medicare patients by sex, 2024
- Women13471%
- Men5529%
Chronic conditions among Dr. Steven's Medicare patients, 2024
- High cholesterol74%
- High blood pressure60%
- Arthritis49%
- Asthma48%
- Anxiety24%
- Mood disorders24%
- Diabetes23%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Steven's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary C. Steven wrote 1,711 Medicare Part D claims in 2024
In 2024, Dr. Steven wrote 1,711 Medicare Part D claims for 317 patients. 51% of them were for generic drugs. CMS names the drug for 1,492 of them, across 35 drugs with 11 or more claims each, at $814,776 in total drug cost. In 2023, CMS named 1,390 claims across 35 drugs.
Dr. Steven's Part D claims by kind of drug, 2024
- Generic870 claims51%
- Brand-name841 claims49%
Dr. Steven'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. Steven's Part D claims, 2024
- Antibiotics2%34 of 1,711 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: 1,3902024: 1,4927%
Drugs named by CMS: 35 in 2024, 35 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. Gary C. Steven offers telehealth to Medicare patients
Dr. Steven accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Steven as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gary C. Steven has 8 publications on record
Dmand AI links 8 papers to Dr. Steven, published from 2013 to 2025. 2024 was the busiest year, with 2. The most frequent topics are Rhinitis, Allergic, Seasonal, Allergens and Desensitization, Immunologic. Dr. Steven has published most often in Allergy. Dr. Steven's most frequent co-authors are Jonathan Matz, MD, Eli Owen Meltzer, MD and Mandel R. Sher, MD.
Dr. Steven's papers by year, 2013 to 2025
Topics Dr. Steven writes about most
- Rhinitis, Allergic, Seasonal
- Allergens
- Desensitization, Immunologic
- Injections, Subcutaneous
- Poaceae
Dr. Steven's most frequent co-authors
- Jonathan Matz, MD2 shared papers
- Eli Owen Meltzer, MD2 shared papers
- Mandel R. Sher, MD2 shared papers
Recent publications by Dr. Steven
Ann Allergy Asthma Immunol
See who Dr. Steven researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Steven works with, so you can find a warm path to the right allergy physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gary C. Steven has worked on 1 clinical trial
Dmand AI links Dr. Steven to 1 clinical trial. Conditions studied include Pulmonary Disease, Chronic Obstructive and Lung Diseases, Obstructive. Open Payments lists research payments to Dr. Steven that name 1 trial.
Conditions in Dr. Steven's trials
- Pulmonary Disease, Chronic Obstructive
- Lung Diseases, Obstructive
Investigators on the most trials with Dr. Steven
- Bartolome R. Celli, MD1 shared trial
- Michael Bradley Drummond, MD1 shared trial
- Lawrence F. Feld, MD1 shared trial
Recent clinical trials with Dr. Steven
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Gary C. Steven received $259,646 in industry payments from 2016 to 2025
CMS Open Payments shows 1,404 general payments to Dr. Steven from 40 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. AstraZeneca Pharmaceuticals LP paid the most, $79,086. It also lists 75 research payments totaling $228,279 from 2016 to 2022, naming 1 clinical trial.
General payments to Dr. Steven by program year, 2016 to 2025
General payments to Dr. Steven by kind, 2016 to 2025
- Speaker and faculty fees$147,99157%
- Consulting fees$48,27319%
- Food and beverage$39,24415%
- Travel and lodging$19,2587%
- Other$4,8812%
Companies that paid Dr. Steven 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. Gary C. Steven graduated from Medical College of Wisconsin
Dr. Steven graduated from Medical College of Wisconsin in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary C. Steven'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Gary C. Steven
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. Gary C. Steven's NPI number?
Dr. Gary C. Steven's NPI number is 1972530699. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary C. Steven?
Dr. Gary C. Steven is an allergy physician in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Gary C. Steven practice?
Dr. Steven practices at 8585 W Forest Home Ave, Milwaukee, WI 53228. Dr. Steven's primary practice is Milwaukee ASC LLC in Milwaukee, Wisconsin. Dmand AI also links Dr. Steven to 1 group practice or clinic and 1 medical group.
What is Dr. Gary C. Steven's office phone number?
The practice phone on file for Dr. Steven is (414) 427-5138.
What is Dr. Gary C. Steven's medical license number?
Dr. Steven holds Wisconsin license 33574020.
What medical group is Dr. Gary C. Steven part of?
Dr. Steven is linked to Wisconsin Health Fund. Dmand AI links Dr. Steven to 1 more medical group.
Does Dr. Gary C. Steven accept Medicare?
Yes. CMS data shows Dr. Steven billed Medicare for 2,343 services in 2024, and Dr. Steven accepts Medicare assignment.
Does Dr. Gary C. Steven offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Steven as offering telehealth services.
How many Medicare patients does Dr. Gary C. Steven see?
CMS counts 189 Medicare patients who saw Dr. Steven in 2024, with an average age of 71.
What services does Dr. Gary C. Steven bill to Medicare?
In 2024, Dr. Steven's most billed Medicare services were allergy test or treatment (95165), allergy test or treatment (95117) and allergy test or treatment (95044).
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Where did Dr. Gary C. Steven go to medical school?
Dr. Steven graduated from Medical College of Wisconsin in 1991.
What drugs does Dr. Gary C. Steven prescribe most?
In 2024 Medicare Part D data, Dr. Steven's most prescribed drugs by claims were Arnuity Ellipta, Fluticasone Propionate and Azelastine HCl.
Has Dr. Gary C. Steven received payments from drug or device companies?
CMS Open Payments shows $259,646 in general payments to Dr. Steven from 40 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gary C. Steven been practicing?
Dr. Steven graduated from medical school in 1991, 35 years ago.
Does Dr. Gary C. Steven do research?
Dmand AI links 8 publications to Dr. Steven, published from 2013 to 2025. Dr. Steven has worked on 1 clinical trial.
Who does Dr. Gary C. Steven publish with?
Dr. Steven's most frequent co-authors are Jonathan Matz, MD (2 shared papers), Eli Owen Meltzer, MD (2 shared papers) and Mandel R. Sher, MD (2 shared papers).
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