Jeff Feiock, DDS
- Part D claims, 2026
- 53
- Industry payments
- $140
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1325 S Cliff Ave, Sioux Falls, SD 57105
- Practice phone
- Call (605) 322-6400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Avera McKennan Hospital & University Health Center
Sioux Falls, South Dakota
Find Jeff Feiock'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.
Jeff Feiock is a general practice dentistry in Sioux Falls, South Dakota
Jeff Feiock practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota.
Jeff Feiock's NPI, 1962432955, was assigned on July 4, 2006. Jeff Feiock holds South Dakota license M911.
- NPI
- 1962432955NPI Registry (opens in a new tab)
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Practice phone
- (605) 322-6400
- 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 Practice Data
Jeff Feiock practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota
Jeff Feiock's primary practice is Avera McKennan Hospital & University Health Center, at 1325 S Cliff Ave, Sioux Falls, SD 57105 in Minnehaha County. The practice phone is (605) 322-6400.
- Avera McKennan Hospital & University Health Center1325 S Cliff Ave, Sioux Falls, SD 57105 · Minnehaha CountyPhone(605) 322-6400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Jeff Feiock is affiliated with 2 sites of care and 1 medical group
Jeff Feiock's primary practice is Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota. Dmand AI also links Jeff Feiock 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 Jeff Feiock's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jeff Feiock practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Avera McKennan Hospital & University Health Center | 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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Jeff Feiock is one of 191 general practice dentistrys in South Dakota
General practice is Jeff Feiock's primary specialty in the NPI Registry, under taxonomy code 1223G0001X. Jeff Feiock is licensed in South Dakota.
Specialties and state licenses
- General practice dentistry, South DakotaPrimary
General practice dentistrys near Jeff Feiock
Counts of general practice dentistrys 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
Jeff Feiock's patients have a median age of 28
Across all payers, Dmand AI patient panel data puts Jeff Feiock's median patient age at 28, with 100% women.
Jeff Feiock's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 28
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Jeff Feiock wrote 53 Medicare Part D claims in 2026
In 2026, Jeff Feiock wrote 53 Medicare Part D claims for 32 patients. 98% of them were for generic drugs.
Jeff Feiock's Part D claims by kind of drug, 2026
- Generic52 claims98%
- Brand-name and other1 claims2%
Drug classes CMS tracks in Jeff Feiock's Part D claims, 2026
- Antibiotics92%49 of 53 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), 2026 data
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Jeff Feiock received $140 in industry payments in 2025
CMS Open Payments shows 7 general payments to Jeff Feiock from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Solventum Corporation paid the most, $140.
Companies that paid Jeff Feiock 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 Jeff Feiock'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 Data |
| 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) |
| 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 Jeff Feiock
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jeff Feiock's NPI number?
Jeff Feiock's NPI number is 1962432955. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What does Jeff Feiock specialize in?
Jeff Feiock is a general practice dentistry in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is General Practice Dentistry (taxonomy code 1223G0001X).
Where does Jeff Feiock practice?
Jeff Feiock practices at 1325 S Cliff Ave, Sioux Falls, SD 57105. Jeff Feiock's primary practice is Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota. Dmand AI also links Jeff Feiock to 1 group practice or clinic and 1 medical group, and a free account names each one.
What is Jeff Feiock's office phone number?
The practice phone on file for Jeff Feiock is (605) 322-6400. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Jeff Feiock's email address?
Dmand AI checks professional and personal email addresses for Jeff Feiock through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Jeff Feiock's medical license number?
Jeff Feiock holds South Dakota license M911.
What medical group is Jeff Feiock part of?
Dmand AI links Jeff Feiock to 1 medical group. A free account names the group, with the clinicians and leaders there.
Has Jeff Feiock received payments from drug or device companies?
CMS Open Payments shows $140 in general payments to Jeff Feiock from 1 company from 2025 to 2025. The largest total came from Solventum Corporation.
How long has Jeff Feiock been practicing?
Jeff Feiock's NPI was assigned in 2006.
What EHR does Jeff Feiock's practice use?
Dmand AI tracks the EHR system at Avera McKennan Hospital & University Health Center and at 1 more site and 1 medical group. The vendor and product are available with a free Dmand AI account.
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