Dr. John D. Geanon, MD
- Medicare services, 2024
- 7,247
- Medicare patients, 2024
- 1,235
- Part D claims, 2024
- 7,888
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 1025 Regent St, Madison, WI 53715
- Practice phone
- Call (608) 282-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SSM Health Surgery Center - Madison (Regent St)
Surgery Center - Medicare-Certified · Madison, Wisconsin
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Dr. John D. Geanon is an ophthalmologist in Madison, Wisconsin
Dr. Geanon practices at SSM Health Surgery Center - Madison (Regent St) in Madison, Wisconsin.
Dr. Geanon's NPI, 1891736971, was assigned on June 9, 2006. Dr. Geanon graduated from University of Chicago, Pritzker School of Medicine in 1989. Dr. Geanon holds Wisconsin license 34330-020.
- NPI
- 1891736971NPI Registry (opens in a new tab)
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Practice phone
- (608) 282-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John D. Geanon practices at SSM Health Surgery Center - Madison (Regent St) in Madison, Wisconsin
Dr. Geanon's primary practice is SSM Health Surgery Center - Madison (Regent St), at 1025 Regent St, Madison, WI 53715. The practice phone is (608) 282-2000.
- SSM Health Surgery Center - Madison (Regent St)1025 Regent St, Madison, WI 53715Phone(608) 282-2000
Source: Dmand AI Affiliation Data
Dr. John D. Geanon is affiliated with 2 sites of care and 1 medical group
Dr. Geanon's primary practice is SSM Health Surgery Center - Madison (Regent St) in Madison, Wisconsin. The medical group on file is SSM Health Dean Medical Group. Dmand AI also links Dr. Geanon to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John D. Geanon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Geanon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health Surgery Center - Madison (Regent St) | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John D. Geanon is one of 328 ophthalmologists in Wisconsin
Ophthalmology is Dr. Geanon's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Geanon is licensed in Wisconsin.
Specialties and state licenses
- Ophthalmology, WisconsinPrimary
Ophthalmologists near Dr. Geanon
Counts of ophthalmologists 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. John D. Geanon billed Medicare for 7,247 services in 2024
CMS data shows 7,247 Medicare services from Dr. Geanon across 19 procedure codes in 2024, for 1,235 Medicare patients. Medicare paid $244,437 for them. Every service was in an office.
Dr. Geanon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2,1222024: 3,03343%
- Tests and treatments
- 2023: 2,7832024: 2,6425%
- Office and hospital visits
- 2023: 1,5092024: 1,4424%
- Other services
- 2023: 02024: 89
- Imaging
- 2023: 502024: 4118%
Dr. Geanon compared with the Wisconsin median for ophthalmologists, 2024
- Dr. Geanon
- Wisconsin median
- Medicare services
- 7,247vs 1,1626.2 times
- Medicare patients
- 1,235vs 4502.7 times
- Part D claims
- 7,791vs 61512.7 times
Medians across 346 ophthalmologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Geanon'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John D. Geanon treated 1,235 Medicare patients in 2024, average age 77
CMS counts 1,235 Medicare patients who saw Dr. Geanon in 2024. The largest group is 75 to 84, with 524 patients. 68% of them have high cholesterol, and 62% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Geanon's median patient age at 78, with 58% women.
Dr. Geanon's Medicare patients by age, 2024
Dr. Geanon's Medicare patients by sex, 2024
- Women72759%
- Men50841%
Chronic conditions among Dr. Geanon's Medicare patients, 2024
- High cholesterol68%
- High blood pressure62%
- Arthritis32%
- Diabetes22%
- Anxiety18%
- Mood disorders18%
- Chronic kidney disease17%
- Osteoporosis17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Geanon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John D. Geanon wrote 7,888 Medicare Part D claims in 2024
In 2024, Dr. Geanon wrote 7,888 Medicare Part D claims for 1,210 patients. 65% of them were for generic drugs. CMS names the drug for 7,791 of them, across 30 drugs with 11 or more claims each, at $687,712 in total drug cost. In 2023, CMS named 7,936 claims across 30 drugs.
Dr. Geanon's Part D claims by kind of drug, 2024
- Generic5,126 claims65%
- Brand-name2,762 claims35%
Dr. Geanon'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. Geanon's Part D claims, 2024
- Antibiotics0%17 of 7,888 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: 7,9362024: 7,7912%
Drugs named by CMS: 30 in 2024, 30 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. John D. Geanon graduated from University of Chicago, Pritzker School of Medicine
Dr. Geanon graduated from University of Chicago, Pritzker School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John D. Geanon'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) |
| 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. John D. Geanon
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. John D. Geanon's NPI number?
Dr. John D. Geanon's NPI number is 1891736971. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John D. Geanon?
Dr. John D. Geanon is an ophthalmologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. John D. Geanon practice?
Dr. Geanon practices at 1025 Regent St, Madison, WI 53715. Dr. Geanon's primary practice is SSM Health Surgery Center - Madison (Regent St) in Madison, Wisconsin. Dmand AI also links Dr. Geanon to 1 group practice or clinic.
What is Dr. John D. Geanon's office phone number?
The practice phone on file for Dr. Geanon is (608) 282-2000.
What is Dr. John D. Geanon's medical license number?
Dr. Geanon holds Wisconsin license 34330-020.
What medical group is Dr. John D. Geanon part of?
Dr. Geanon is linked to SSM Health Dean Medical Group.
Does Dr. John D. Geanon accept Medicare?
Yes. CMS data shows Dr. Geanon billed Medicare for 7,247 services in 2024.
How many Medicare patients does Dr. John D. Geanon see?
CMS counts 1,235 Medicare patients who saw Dr. Geanon in 2024, with an average age of 77.
What services does Dr. John D. Geanon bill to Medicare?
In 2024, Dr. Geanon's most billed Medicare services were surgery: eye (66984), office visit, established patient (99214) and eye exam or test (92083).
Where did Dr. John D. Geanon go to medical school?
Dr. Geanon graduated from University of Chicago, Pritzker School of Medicine in 1989.
What drugs does Dr. John D. Geanon prescribe most?
In 2024 Medicare Part D data, Dr. Geanon's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
How long has Dr. John D. Geanon been practicing?
Dr. Geanon graduated from medical school in 1989, 37 years ago.
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