David Steven Clark
- Hospital affiliations
- 2
- Industry payments
- $504
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 1000 Fourth Street SW, Mason City, IA 50401
- Practice phone
- Call (641) 428-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find David Clark'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.
David Steven Clark is an orthopedic surgeon in Mason City, Iowa
David Clark practices at MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health.
David Clark's NPI, 1912700345, was assigned on March 31, 2025. David Clark holds Minnesota license 35240.
- NPI
- 1912700345NPI Registry (opens in a new tab)
- NPI enumeration date
- March 31, 2025
- NPI status
- Active
- Practice phone
- (641) 428-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
David Steven Clark practices at MercyOne North Iowa Medical Center in Mason City, Iowa
David Clark's primary practice is MercyOne North Iowa Medical Center, at 1000 Fourth Street SW, Mason City, IA 50401 in Cerro Gordo County. The practice phone is (641) 428-7000.
- MercyOne North Iowa Medical Center1000 Fourth Street SW, Mason City, IA 50401 · Cerro Gordo CountyPhone(641) 428-7000
Source: Dmand AI Affiliation Data
David Steven Clark is affiliated with 4 sites of care and 1 medical group
David Clark's primary practice is MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health. The medical group on file is Mayo Clinic. Dmand AI also links David Clark to 1 more hospital and 2 hospices, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at David Steven Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David Clark practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne North Iowa Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
David Steven Clark is one of 219 orthopedic surgeons in Iowa
Orthopaedic surgery is David Clark's primary specialty in the NPI Registry, under taxonomy code 207X00000X. David Clark is licensed in Minnesota.
Specialties and state licenses
- Orthopaedic surgery, MinnesotaPrimary
Orthopedic surgeons near David Clark
Counts of orthopedic surgeons 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
David Steven Clark's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts David Clark's median patient age at 63, with 42% women.
David Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
David Steven Clark received $504 in industry payments in 2025
CMS Open Payments shows 3 general payments to David Clark from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $330.
Companies that paid David Clark the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David Steven Clark'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 David Steven Clark
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Steven Clark's NPI number?
David Steven Clark's NPI number is 1912700345. It was assigned on March 31, 2025, and it is active in the NPI Registry.
What does David Steven Clark specialize in?
David Steven Clark is an orthopedic surgeon in Mason City, Iowa. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does David Steven Clark practice?
David Clark practices at 1000 Fourth Street SW, Mason City, IA 50401. David Clark's primary practice is MercyOne North Iowa Medical Center in Mason City, Iowa, part of Trinity Health. Dmand AI also links David Clark to 1 hospital and 2 hospices.
What is David Steven Clark's office phone number?
The practice phone on file for David Clark is (641) 428-7000.
What is David Steven Clark's medical license number?
David Clark holds Minnesota license 35240.
Which hospitals is David Steven Clark affiliated with?
David Clark practices at MercyOne North Iowa Medical Center in Mason City, Iowa. Dmand AI links David Clark to 1 more hospital.
What medical group is David Steven Clark part of?
David Clark is linked to Mayo Clinic.
Has David Steven Clark received payments from drug or device companies?
CMS Open Payments shows $504 in general payments to David Clark from 2 companies from 2025 to 2025. The largest total came from Stryker Corporation.
How long has David Steven Clark been practicing?
David Clark's NPI was assigned in 2025.
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