Dr. Daniel E. Walker, DO
- Medicare services, 2021
- 32
- Part D claims, 2024
- 155
- Hospital affiliations
- 1
- Industry payments
- $271
- Medical groups
- 2
- Practice address
- 1700 West Townline Street, Creston, IA 50801
- Practice phone
- Call (641) 782-7091
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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.
Dr. Daniel E. Walker is a family medicine physician in Creston, Iowa
Dr. Walker practices at Greater Regional Health in Creston, Iowa, part of Greater Regional Medical Center.
Dr. Walker's NPI, 1396799078, was assigned on May 19, 2006. Dr. Walker graduated from University of Missouri, Kansas City, School of Medicine in 1988. Dr. Walker holds Iowa license 02272.
- NPI
- 1396799078NPI Registry (opens in a new tab)
- NPI enumeration date
- May 19, 2006
- NPI status
- Active
- Practice phone
- (641) 782-7091
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Daniel E. Walker practices at Greater Regional Health in Creston, Iowa
Dr. Walker's primary practice is Greater Regional Health, at 1700 West Townline Street, Creston, IA 50801 in Union County. The practice phone is (641) 782-7091.
- Greater Regional Health1700 West Townline Street, Creston, IA 50801 · Union CountyPhone(641) 782-7091
Source: Dmand AI Affiliation Data
Dr. Daniel E. Walker is affiliated with 3 sites of care and 2 medical groups
Dr. Walker's primary practice is Greater Regional Health in Creston, Iowa, part of Greater Regional Medical Center. The medical group on file is Greater Regional Health. Dmand AI also links Dr. Walker to 1 more breast imaging center, 1 group practice or clinic and 1 medical group, each named with a free account. Dr. Walker's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel E. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Greater Regional Health | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Greater Regional Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Daniel E. Walker is one of 1,873 family medicine physicians in Iowa
Family medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Walker is licensed in Iowa.
Specialties and state licenses
- Family medicine, IowaPrimary
Family medicine physicians near Dr. Walker
Counts of family medicine physicians 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. Daniel E. Walker billed Medicare for 32 services in 2021
CMS data shows 32 Medicare services from Dr. Walker across 1 procedure code in 2021. Medicare paid $1,687 for them. Every service was in an office.
Dr. Walker's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 172021: 3288%
Dr. Walker compared with the Iowa median for family medicine physicians, 2021
- Dr. Walker
- Iowa median
- Medicare services
- 32vs 35991% below
- Part D claims
- 14vs 1,13899% below
Medians across 1,982 family medicine physicians in Iowa with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2021
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. Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other family medicine physicians in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel E. Walker's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 68, with 39% women.
Dr. 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 68
Patient panel by sex, all payers
- Women39%
- Men61%
Source: Dmand AI Patient Panel Data
Dr. Daniel E. Walker wrote 155 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 155 Medicare Part D claims for 45 patients. 88% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $240 in total drug cost. In 2023, CMS named 227 claims across 15 drugs.
Dr. Walker's Part D claims by kind of drug, 2024
- Generic137 claims88%
- Brand-name and other18 claims12%
Dr. Walker'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. Walker's Part D claims, 2024
- Antibiotics7%11 of 155 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: 2272024: 1494%
Drugs named by CMS: 1 in 2024, 15 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. Daniel E. Walker received $271 in industry payments from 2016 to 2022
CMS Open Payments shows 16 general payments to Dr. Walker from 9 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $108.
General payments to Dr. Walker by program year, 2016 to 2022
Companies that paid Dr. Walker the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel E. Walker graduated from University of Missouri, Kansas City, School of Medicine
Dr. Walker graduated from University of Missouri, Kansas City, School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel E. 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 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 Data |
| 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) |
| 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 Dr. Daniel E. 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 Dr. Daniel E. Walker's NPI number?
Dr. Daniel E. Walker's NPI number is 1396799078. It was assigned on May 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel E. Walker?
Dr. Daniel E. Walker is a family medicine physician in Creston, Iowa. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Daniel E. Walker practice?
Dr. Walker practices at 1700 West Townline Street, Creston, IA 50801. Dr. Walker's primary practice is Greater Regional Health in Creston, Iowa, part of Greater Regional Medical Center. Dmand AI also links Dr. Walker to 1 breast imaging center, 1 group practice or clinic and 1 medical group.
What is Dr. Daniel E. Walker's office phone number?
The practice phone on file for Dr. Walker is (641) 782-7091.
What is Dr. Daniel E. Walker's medical license number?
Dr. Walker holds Iowa license 02272.
Which hospitals is Dr. Daniel E. Walker affiliated with?
Dr. Walker practices at Greater Regional Health in Creston, Iowa.
What medical group is Dr. Daniel E. Walker part of?
Dr. Walker is linked to Greater Regional Health. Dmand AI links Dr. Walker to 1 more medical group.
Does Dr. Daniel E. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 32 services in 2021.
What services does Dr. Daniel E. Walker bill to Medicare?
In 2021, Dr. Walker's most billed Medicare services were nursing facility care (99308).
Where did Dr. Daniel E. Walker go to medical school?
Dr. Walker graduated from University of Missouri, Kansas City, School of Medicine in 1988.
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What drugs does Dr. Daniel E. Walker prescribe most?
In 2024 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Amlodipine Besylate.
Has Dr. Daniel E. Walker received payments from drug or device companies?
CMS Open Payments shows $271 in general payments to Dr. Walker from 9 companies from 2016 to 2022. The largest total came from Abbvie Inc.
How long has Dr. Daniel E. Walker been practicing?
Dr. Walker graduated from medical school in 1988, 38 years ago.
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