Dr. Leo Treysman, MD
- Medicare services, 2024
- 132
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 164
- Industry payments
- $37
- Affiliated sites
- 1
- Practice address
- 4935 S 76th St, Milwaukee, WI 53220
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension Wisconsin Greenfield Campus - HOPD
Acute Care Hospital outpatient department · Milwaukee, Wisconsin
Find Dr. Treysman'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. Leo Treysman is an emergency medicine physician in Milwaukee, Wisconsin
Dr. Treysman practices at Ascension Wisconsin Greenfield Campus - HOPD in Milwaukee, Wisconsin.
Dr. Treysman's NPI, 1184838575, was assigned on May 9, 2007. Dr. Treysman holds Wisconsin license 2022.
- NPI
- 1184838575NPI Registry (opens in a new tab)
- NPI enumeration date
- May 9, 2007
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Leo Treysman practices at Ascension Wisconsin Greenfield Campus - HOPD in Milwaukee, Wisconsin
Dr. Treysman's primary practice is Ascension Wisconsin Greenfield Campus - HOPD, at 4935 S 76th St, Milwaukee, WI 53220.
- Ascension Wisconsin Greenfield Campus - HOPD4935 S 76th St, Milwaukee, WI 53220
Source: Dmand AI Affiliation Data
Dr. Leo Treysman is affiliated with 1 site of care and 2 medical groups
Dr. Treysman's primary practice is Ascension Wisconsin Greenfield Campus - HOPD in Milwaukee, Wisconsin. The medical group on file is Emergency Medicine Specialists, S.C. Dmand AI also links Dr. Treysman to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leo Treysman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Treysman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Wisconsin Greenfield Campus - HOPD | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leo Treysman is one of 1,211 emergency medicine physicians in Wisconsin
Emergency medicine is Dr. Treysman's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Treysman's licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
- Illinois license
Emergency medicine physicians near Dr. Treysman
Counts of emergency medicine 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. Leo Treysman billed Medicare for 132 services in 2024
CMS data shows 132 Medicare services from Dr. Treysman across 4 procedure codes in 2024, for 116 Medicare patients. Medicare paid $10,235 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Treysman's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1032024: 1012%
- Tests and treatments
- 2023: 332024: 316%
Dr. Treysman compared with the Wisconsin median for emergency medicine physicians, 2024
- Dr. Treysman
- Wisconsin median
- Medicare services
- 132vs 24646% below
- Medicare patients
- 116vs 22148% below
- Part D claims
- 24vs 5758% below
Medians across 1,249 emergency medicine physicians in Wisconsin with Dmand AI profiles that report each measure.
Dr. Treysman'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. Treysman and other emergency medicine physicians in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leo Treysman treated 116 Medicare patients in 2024, average age 71
CMS counts 116 Medicare patients who saw Dr. Treysman in 2024. The largest group is 65 to 74, with 44 patients. 72% of them have high blood pressure, and 72% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.87, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Treysman's median patient age at 38, with 64% women.
Dr. Treysman's Medicare patients by age, 2024
Dr. Treysman's Medicare patients by sex, 2024
- Women5951%
- Men5749%
Chronic conditions among Dr. Treysman's Medicare patients, 2024
- High blood pressure72%
- High cholesterol72%
- Arthritis47%
- Ischemic heart disease35%
- Anxiety34%
- Chronic kidney disease34%
- Diabetes34%
- Mood disorders29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Treysman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leo Treysman wrote 164 Medicare Part D claims in 2024
In 2024, Dr. Treysman wrote 164 Medicare Part D claims for 129 patients. 89% of them were for generic drugs. CMS names the drug for 24 of them, across 2 drugs with 11 or more claims each, at $249 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.
Dr. Treysman's Part D claims by kind of drug, 2024
- Generic146 claims89%
- Brand-name and other18 claims11%
Dr. Treysman'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. Treysman's Part D claims, 2024
- Antibiotics31%51 of 164 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: 422024: 2443%
Drugs named by CMS: 2 in 2024, 3 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
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Dr. Leo Treysman received $37 in industry payments from 2016 to 2021
CMS Open Payments shows 2 general payments to Dr. Treysman from 2 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Mindray DS USA, Inc. paid the most, $23.
General payments to Dr. Treysman by program year, 2016 to 2021
Companies that paid Dr. Treysman the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Leo Treysman'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Leo Treysman
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. Leo Treysman's NPI number?
Dr. Leo Treysman's NPI number is 1184838575. It was assigned on May 9, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Leo Treysman?
Dr. Leo Treysman is an emergency medicine physician in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Leo Treysman practice?
Dr. Treysman practices at 4935 S 76th St, Milwaukee, WI 53220. Dr. Treysman's primary practice is Ascension Wisconsin Greenfield Campus - HOPD in Milwaukee, Wisconsin. Dmand AI also links Dr. Treysman to 1 medical group.
What is Dr. Leo Treysman's medical license number?
Dr. Treysman holds Wisconsin license 2022, one of the licenses on file in 2 states.
Which states has Dr. Leo Treysman been licensed in?
Dmand AI has state licenses on file for Dr. Treysman in Wisconsin and Illinois.
What medical group is Dr. Leo Treysman part of?
Dr. Treysman is linked to Emergency Medicine Specialists, S.C. Dmand AI links Dr. Treysman to 1 more medical group.
Does Dr. Leo Treysman accept Medicare?
Yes. CMS data shows Dr. Treysman billed Medicare for 132 services in 2024.
How many Medicare patients does Dr. Leo Treysman see?
CMS counts 116 Medicare patients who saw Dr. Treysman in 2024, with an average age of 71.
What services does Dr. Leo Treysman bill to Medicare?
In 2024, Dr. Treysman's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).
What drugs does Dr. Leo Treysman prescribe most?
In 2024 Medicare Part D data, Dr. Treysman's most prescribed drugs by claims were Nitrofurantoin Mono-Macro and Prednisone.
Has Dr. Leo Treysman received payments from drug or device companies?
CMS Open Payments shows $37 in general payments to Dr. Treysman from 2 companies from 2016 to 2021. The largest total came from Mindray DS USA, Inc.
How long has Dr. Leo Treysman been practicing?
Dr. Treysman graduated from medical school in 2007, 19 years ago.
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