Dr. George A. Sisson III, MD
- Medicare services, 2024
- 809
- Medicare patients, 2024
- 296
- Part D claims, 2024
- 345
- Hospital affiliations
- 4
- Medical groups
- 2
- Practice address
- 700 South Park St, Madison, WI 53715
- Practice phone
- Call (608) 251-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sisson'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. George A. Sisson III is a hospitalist in Madison, Wisconsin
Dr. Sisson practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care.
Dr. Sisson's NPI, 1669763082, was assigned on April 20, 2011. Dr. Sisson graduated from Northwestern University Feinberg Medical School in 2011. Dr. Sisson holds Wisconsin license 60535-020.
- NPI
- 1669763082NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557584935
- NPI enumeration date
- April 20, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 251-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George A. Sisson III practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin
Dr. Sisson's primary practice is SSM Health St. Mary's Hospital - Madison, at 700 South Park St, Madison, WI 53715 in Dane County. The practice phone is (608) 251-6100.
- SSM Health St. Mary's Hospital - Madison700 South Park St, Madison, WI 53715 · Dane CountyPhone(608) 251-6100
Source: Dmand AI Affiliation Data
Dr. George A. Sisson III is affiliated with 5 sites of care and 2 medical groups
Dr. Sisson's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. Dr. Sisson is also affiliated with Fort Memorial Hospital. The medical group on file is SSM Health Dean Medical Group. Dmand AI also links Dr. Sisson to 2 more hospitals, 1 hospice and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. George A. Sisson III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sisson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Mary's Hospital - Madison | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across SSM Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. George A. Sisson III is one of 773 hospitalists in Wisconsin
Hospitalist is Dr. Sisson's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Sisson is licensed in Wisconsin.
Specialties and state licenses
- Hospitalist, WisconsinPrimary
Hospitalists near Dr. Sisson
Counts of hospitalists 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. George A. Sisson III billed Medicare for 809 services in 2024
CMS data shows 809 Medicare services from Dr. Sisson across 6 procedure codes in 2024, for 296 Medicare patients. Medicare paid $67,057 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sisson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9632024: 80916%
Dr. Sisson compared with the Wisconsin median for hospitalists, 2024
- Dr. Sisson
- Wisconsin median
- Medicare services
- 809vs 3572.3 times
- Medicare patients
- 296vs 16579% above
- Part D claims
- 189vs 782.4 times
Medians across 743 hospitalists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Sisson'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.
Need commercial claims for Dr. Sisson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sisson and other hospitalists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. George A. Sisson III treated 296 Medicare patients in 2024, average age 76
CMS counts 296 Medicare patients who saw Dr. Sisson in 2024. The largest group is 75 to 84, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 2.22, 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. Sisson's median patient age at 74, with 50% women.
Dr. Sisson's Medicare patients by age, 2024
Dr. Sisson's Medicare patients by sex, 2024
- Women15352%
- Men14348%
Chronic conditions among Dr. Sisson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure50%
- Chronic kidney disease47%
- Ischemic heart disease46%
- Diabetes45%
- Arthritis44%
- Atrial fibrillation40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sisson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. George A. Sisson III wrote 345 Medicare Part D claims in 2024
In 2024, Dr. Sisson wrote 345 Medicare Part D claims for 134 patients. 88% of them were for generic drugs. CMS names the drug for 189 of them, across 12 drugs with 11 or more claims each, at $19,177 in total drug cost. In 2023, CMS named 102 claims across 7 drugs.
Dr. Sisson's Part D claims by kind of drug, 2024
- Generic304 claims88%
- Brand-name and other41 claims12%
Dr. Sisson'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. Sisson's Part D claims, 2024
- Antibiotics11%39 of 345 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: 1022024: 18985%
Drugs named by CMS: 12 in 2024, 7 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
How Dr. George A. Sisson III takes part in Medicare
Dr. Sisson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. George A. Sisson III graduated from Northwestern University Feinberg Medical School
Dr. Sisson graduated from Northwestern University Feinberg Medical School in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. George A. Sisson III'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 DataDmand AI Org Hierarchy 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) |
| 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. George A. Sisson III
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. George A. Sisson III's NPI number?
Dr. George A. Sisson III's NPI number is 1669763082. It was assigned on April 20, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. George A. Sisson III?
Dr. George A. Sisson III is a hospitalist in Madison, Wisconsin. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. George A. Sisson III practice?
Dr. Sisson practices at 700 South Park St, Madison, WI 53715. Dr. Sisson's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. Dmand AI also links Dr. Sisson to 2 hospitals, 1 hospice and 1 medical group.
What is Dr. George A. Sisson III's office phone number?
The practice phone on file for Dr. Sisson is (608) 251-6100.
What is Dr. George A. Sisson III's medical license number?
Dr. Sisson holds Wisconsin license 60535-020.
Which hospitals is Dr. George A. Sisson III affiliated with?
Dr. Sisson practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin. Dr. Sisson is also affiliated with Fort Memorial Hospital. Dmand AI links Dr. Sisson to 2 more hospitals.
What medical group is Dr. George A. Sisson III part of?
Dr. Sisson is linked to SSM Health Dean Medical Group. Dmand AI links Dr. Sisson to 1 more medical group.
Does Dr. George A. Sisson III accept Medicare?
Yes. CMS data shows Dr. Sisson billed Medicare for 809 services in 2024, and Dr. Sisson accepts Medicare assignment.
How many Medicare patients does Dr. George A. Sisson III see?
CMS counts 296 Medicare patients who saw Dr. Sisson in 2024, with an average age of 76.
What services does Dr. George A. Sisson III bill to Medicare?
In 2024, Dr. Sisson's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 3 more questionsShow fewer questions
Where did Dr. George A. Sisson III go to medical school?
Dr. Sisson graduated from Northwestern University Feinberg Medical School in 2011.
What drugs does Dr. George A. Sisson III prescribe most?
In 2024 Medicare Part D data, Dr. Sisson's most prescribed drugs by claims were Eliquis, Furosemide and Losartan Potassium.
How long has Dr. George A. Sisson III been practicing?
Dr. Sisson graduated from medical school in 2011, 15 years ago.
Selling to hospitalist practices?
See hospitalists in Wisconsin by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card