Jeffrey J. Marsh, OD
- Medicare patients, 2024
- 232
- Part D claims, 2024
- 404
- Industry payments
- $108
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 2510 W 9th Ave, Oshkosh, WI 54904
- Practice phone
- Call (920) 426-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr J J Marsh Ltd
Oshkosh, Wisconsin
Find Jeffrey Marsh'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.
Jeffrey J. Marsh is an optometrist in Oshkosh, Wisconsin
Jeffrey Marsh practices at Dr J J Marsh Ltd in Oshkosh, Wisconsin.
Jeffrey Marsh's NPI, 1902884489, was assigned on January 5, 2006. Jeffrey Marsh graduated from Indiana University - School of Optometry in 1986. Jeffrey Marsh holds Wisconsin license 2161.
- NPI
- 1902884489NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830198068
- NPI enumeration date
- January 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (920) 426-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Jeffrey J. Marsh practices at Dr J J Marsh Ltd in Oshkosh, Wisconsin
Jeffrey Marsh's primary practice is Dr J J Marsh Ltd, at 2510 W 9th Ave, Oshkosh, WI 54904 in Winnebago County. The practice phone is (920) 426-2020.
- Dr J J Marsh Ltd2510 W 9th Ave, Oshkosh, WI 54904 · Winnebago CountyPhone(920) 426-2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jeffrey J. Marsh is affiliated with 2 sites of care and 1 medical group
Jeffrey Marsh's primary practice is Dr J J Marsh Ltd in Oshkosh, Wisconsin. Dmand AI also links Jeffrey Marsh to 1 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 Jeffrey J. Marsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jeffrey Marsh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr J J Marsh Ltd | 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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Jeffrey J. Marsh is one of 946 optometrists in Wisconsin
Optometrist is Jeffrey Marsh's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Jeffrey Marsh is licensed in Wisconsin.
Specialties and state licenses
- Optometrist, WisconsinPrimary
Optometrists near Jeffrey Marsh
Counts of optometrists 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
Jeffrey J. Marsh treated 232 Medicare patients in 2024, average age 75
CMS counts 232 Medicare patients who saw Jeffrey Marsh in 2024. The largest group is 65 to 74, with 122 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Jeffrey Marsh's median patient age at 69, with 54% women.
Jeffrey Marsh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Jeffrey Marsh's Medicare patients by sex, 2024
- Women14261%
- Men9039%
Chronic conditions among Jeffrey Marsh's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis41%
- Chronic kidney disease30%
- Diabetes26%
- Ischemic heart disease21%
- Cancer17%
- Anxiety15%
Share of Medicare patients with each condition. A patient can have several.
Jeffrey Marsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Jeffrey J. Marsh wrote 404 Medicare Part D claims in 2024
In 2024, Jeffrey Marsh wrote 404 Medicare Part D claims for 121 patients. 59% of them were for generic drugs.
Jeffrey Marsh's Part D claims by kind of drug, 2024
- Generic238 claims59%
- Brand-name166 claims41%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Jeffrey J. Marsh ranks in the 36th percentile for cataract surgery in Medicare
Jeffrey Marsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of cataract surgery by Jeffrey Marsh, more than 36% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Jeffrey Marsh ranks in Medicare procedure volume
- Cataract surgery
- 36th percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Jeffrey J. Marsh received $108 in industry payments in 2025
CMS Open Payments shows 5 general payments to Jeffrey Marsh from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $29.
Companies that paid Jeffrey Marsh the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jeffrey J. Marsh graduated from Indiana University - School of Optometry
Jeffrey Marsh graduated from Indiana University - School of Optometry in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Jeffrey J. Marsh'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 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 (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)Doctors and Clinicians Utilization Data (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 Jeffrey J. Marsh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jeffrey J. Marsh's NPI number?
Jeffrey J. Marsh's NPI number is 1902884489. It was assigned on January 5, 2006, and it is active in the NPI Registry.
What does Jeffrey J. Marsh specialize in?
Jeffrey J. Marsh is an optometrist in Oshkosh, Wisconsin. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Jeffrey J. Marsh practice?
Jeffrey Marsh practices at 2510 W 9th Ave, Oshkosh, WI 54904. Jeffrey Marsh's primary practice is Dr J J Marsh Ltd in Oshkosh, Wisconsin. Dmand AI also links Jeffrey Marsh to 1 group practice or clinic and 1 medical group.
What is Jeffrey J. Marsh's office phone number?
The practice phone on file for Jeffrey Marsh is (920) 426-2020.
What is Jeffrey J. Marsh's medical license number?
Jeffrey Marsh holds Wisconsin license 2161.
Does Jeffrey J. Marsh accept Medicare?
Yes. CMS lists Jeffrey Marsh as accepting Medicare assignment.
How many Medicare patients does Jeffrey J. Marsh see?
CMS counts 232 Medicare patients who saw Jeffrey Marsh in 2024, with an average age of 75.
Where did Jeffrey J. Marsh go to medical school?
Jeffrey Marsh graduated from Indiana University - School of Optometry in 1986.
Has Jeffrey J. Marsh received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Jeffrey Marsh from 5 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Jeffrey J. Marsh been practicing?
Jeffrey Marsh graduated from medical school in 1986, 40 years ago.
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