Daniel Ross Sliwinski, OD
- Medicare patients, 2024
- 1,000
- Part D claims, 2024
- 948
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 309 E Church St, Marshalltown, IA 50158
- Practice phone
- Call (641) 754-6200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wolfe Clinic Eye Centers LC
Marshalltown, Iowa
Find Daniel Sliwinski'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.
Daniel Ross Sliwinski is an optometrist in Marshalltown, Iowa
Daniel Sliwinski practices at Wolfe Clinic Eye Centers LC in Marshalltown, Iowa.
Daniel Sliwinski's NPI, 1932495991, was assigned on June 28, 2011. Daniel Sliwinski graduated from Illinois College of Optometry at Chicago in 2011. Daniel Sliwinski holds Iowa license 002525.
- NPI
- 1932495991NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426226242
- NPI enumeration date
- June 28, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (641) 754-6200
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel Ross Sliwinski practices at Wolfe Clinic Eye Centers LC in Marshalltown, Iowa
Daniel Sliwinski's primary practice is Wolfe Clinic Eye Centers LC, at 309 E Church St, Marshalltown, IA 50158 in Marshall County. The practice phone is (641) 754-6200.
- Wolfe Clinic Eye Centers LC309 E Church St, Marshalltown, IA 50158 · Marshall CountyPhone(641) 754-6200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Daniel Ross Sliwinski is affiliated with 3 sites of care and 2 medical groups
Daniel Sliwinski's primary practice is Wolfe Clinic Eye Centers LC in Marshalltown, Iowa. Dmand AI also links Daniel Sliwinski to 2 group practices and clinics and 2 medical groups, 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 Daniel Ross Sliwinski's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Sliwinski practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wolfe Clinic Eye Centers LC | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Daniel Ross Sliwinski is one of 501 optometrists in Iowa
Optometrist is Daniel Sliwinski's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Daniel Sliwinski is licensed in Iowa.
Specialties and state licenses
- Optometrist, IowaPrimary
Optometrists near Daniel Sliwinski
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
Daniel Ross Sliwinski treated 1,000 Medicare patients in 2024, average age 75
CMS counts 1,000 Medicare patients who saw Daniel Sliwinski in 2024. The largest group is 65 to 74, with 527 patients. 68% of them have high blood pressure, and 64% have high cholesterol. 6% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Daniel Sliwinski's median patient age at 74, with 57% women.
Daniel Sliwinski's Medicare patients by age, 2024
Daniel Sliwinski's Medicare patients by sex, 2024
- Women55255%
- Men44845%
Chronic conditions among Daniel Sliwinski's Medicare patients, 2024
- High blood pressure68%
- High cholesterol64%
- Arthritis40%
- Diabetes25%
- Anxiety18%
- Ischemic heart disease18%
- Mood disorders18%
- Atrial fibrillation16%
Share of Medicare patients with each condition. A patient can have several.
Daniel Sliwinski'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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Daniel Ross Sliwinski wrote 948 Medicare Part D claims in 2024
In 2024, Daniel Sliwinski wrote 948 Medicare Part D claims for 257 patients. 74% of them were for generic drugs.
Daniel Sliwinski's Part D claims by kind of drug, 2024
- Generic706 claims74%
- Brand-name242 claims26%
Drug classes CMS tracks in Daniel Sliwinski's Part D claims, 2024
- Antibiotics1%12 of 948 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Daniel Ross Sliwinski ranks in the 81st percentile for cataract surgery in Medicare
Daniel Sliwinski accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 166 procedures of cataract surgery by Daniel Sliwinski, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Daniel Sliwinski ranks in Medicare procedure volume
- Cataract surgery
- 81st percentile166 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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Daniel Ross Sliwinski graduated from Illinois College of Optometry at Chicago
Daniel Sliwinski graduated from Illinois College of Optometry at Chicago in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Daniel Ross Sliwinski'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) |
| 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 Daniel Ross Sliwinski
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel Ross Sliwinski's NPI number?
Daniel Ross Sliwinski's NPI number is 1932495991. It was assigned on June 28, 2011, and it is active in the NPI Registry.
What does Daniel Ross Sliwinski specialize in?
Daniel Ross Sliwinski is an optometrist in Marshalltown, Iowa. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Daniel Ross Sliwinski practice?
Daniel Sliwinski practices at 309 E Church St, Marshalltown, IA 50158. Daniel Sliwinski's primary practice is Wolfe Clinic Eye Centers LC in Marshalltown, Iowa. Dmand AI also links Daniel Sliwinski to 2 group practices and clinics and 2 medical groups.
What is Daniel Ross Sliwinski's office phone number?
The practice phone on file for Daniel Sliwinski is (641) 754-6200.
What is Daniel Ross Sliwinski's medical license number?
Daniel Sliwinski holds Iowa license 002525.
Does Daniel Ross Sliwinski accept Medicare?
Yes. CMS lists Daniel Sliwinski as accepting Medicare assignment.
How many Medicare patients does Daniel Ross Sliwinski see?
CMS counts 1,000 Medicare patients who saw Daniel Sliwinski in 2024, with an average age of 75.
Where did Daniel Ross Sliwinski go to medical school?
Daniel Sliwinski graduated from Illinois College of Optometry at Chicago in 2011.
How long has Daniel Ross Sliwinski been practicing?
Daniel Sliwinski graduated from medical school in 2011, 15 years ago.
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