Marian Ruth Walker, OD
- Medicare patients, 2024
- 335
- Part D claims, 2024
- 290
- Industry payments
- $35
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 1500 Associates Dr, Dubuque, IA 52002-2201
- Practice phone
- Call (563) 584-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medical Associates Clinic - Dubuque (Associates Dr)
Multi-specialty group site · Dubuque, Iowa
Find Marian Walker'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.
Marian Ruth Walker is an optometrist in Dubuque, Iowa
Marian Walker practices at Medical Associates Clinic - Dubuque (Associates Dr) in Dubuque, Iowa.
Marian Walker's NPI, 1801842562, was assigned on May 25, 2006. Marian Walker graduated from Indiana University - School of Optometry in 1994. Marian Walker holds Iowa license 02044.
- NPI
- 1801842562NPI Registry (opens in a new tab)
- NPI enumeration date
- May 25, 2006
- NPI status
- Active
- Practice phone
- (563) 584-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marian Ruth Walker practices at Medical Associates Clinic - Dubuque (Associates Dr) in Dubuque, Iowa
Marian Walker's primary practice is Medical Associates Clinic - Dubuque (Associates Dr), at 1500 Associates Dr, Dubuque, IA 52002-2201. The practice phone is (563) 584-4100.
- Medical Associates Clinic - Dubuque (Associates Dr)1500 Associates Dr, Dubuque, IA 52002-2201Phone(563) 584-4100
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marian Ruth Walker is affiliated with 1 site of care and 1 medical group
Marian Walker's primary practice is Medical Associates Clinic - Dubuque (Associates Dr) in Dubuque, Iowa. The medical group on file is Medical Associates Clinic.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Marian Ruth Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marian Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical Associates Clinic - Dubuque (Associates Dr) | Available with a free account |
Source: Dmand AI Technology Install Data
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Marian Ruth Walker is one of 501 optometrists in Iowa
Optometrist is Marian Walker's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Marian Walker's licenses on file in 3 states: Iowa, Illinois and Wisconsin.
Specialties and state licenses
- Optometrist, IowaPrimary
- Illinois license
- Wisconsin license
Optometrists near Marian Walker
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
Marian Ruth Walker treated 335 Medicare patients in 2024, average age 74
CMS counts 335 Medicare patients who saw Marian Walker in 2024. The largest group is 65 to 74, with 189 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 3% are also on Medicaid. Their average risk score is 0.80, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marian Walker's median patient age at 76, with 59% women.
Marian Walker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marian Walker's Medicare patients by sex, 2024
- Women18856%
- Men14744%
Chronic conditions among Marian Walker's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis33%
- Diabetes27%
- Anxiety21%
- Mood disorders19%
- Depression18%
- Chronic kidney disease16%
Share of Medicare patients with each condition. A patient can have several.
Marian Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Marian Ruth Walker wrote 290 Medicare Part D claims in 2024
In 2024, Marian Walker wrote 290 Medicare Part D claims for 70 patients. 80% of them were for generic drugs.
Marian Walker's Part D claims by kind of drug, 2024
- Generic233 claims80%
- Brand-name57 claims20%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Marian Ruth Walker received $35 in industry payments in 2025
CMS Open Payments shows 2 general payments to Marian Walker from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $20.
Companies that paid Marian Walker the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Marian Ruth Walker graduated from Indiana University - School of Optometry
Marian Walker graduated from Indiana University - School of Optometry in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Marian Ruth Walker'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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 Marian Ruth Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marian Ruth Walker's NPI number?
Marian Ruth Walker's NPI number is 1801842562. It was assigned on May 25, 2006, and it is active in the NPI Registry.
What does Marian Ruth Walker specialize in?
Marian Ruth Walker is an optometrist in Dubuque, Iowa. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Marian Ruth Walker practice?
Marian Walker practices at 1500 Associates Dr, Dubuque, IA 52002-2201. Marian Walker's primary practice is Medical Associates Clinic - Dubuque (Associates Dr) in Dubuque, Iowa.
What is Marian Ruth Walker's office phone number?
The practice phone on file for Marian Walker is (563) 584-4100.
What is Marian Ruth Walker's medical license number?
Marian Walker holds Iowa license 02044, one of the licenses on file in 3 states.
Which states has Marian Ruth Walker been licensed in?
Dmand AI has state licenses on file for Marian Walker in Iowa, Illinois and Wisconsin.
What medical group is Marian Ruth Walker part of?
Marian Walker is linked to Medical Associates Clinic.
How many Medicare patients does Marian Ruth Walker see?
CMS counts 335 Medicare patients who saw Marian Walker in 2024, with an average age of 74.
Where did Marian Ruth Walker go to medical school?
Marian Walker graduated from Indiana University - School of Optometry in 1994.
Has Marian Ruth Walker received payments from drug or device companies?
CMS Open Payments shows $35 in general payments to Marian Walker from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Marian Ruth Walker been practicing?
Marian Walker graduated from medical school in 1994, 32 years ago.
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