Dr. Hunter Greer Frederiksen, MD
- Part D claims, 2024
- 62
- Hospital affiliations
- 1
- Industry payments
- $463
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 601 Highway 6 West, Iowa City, IA 52246
- Practice phone
- Call (319) 338-0581
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Frederiksen'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. Hunter Greer Frederiksen is an internist in Iowa City, Iowa
Dr. Frederiksen practices at Iowa City VA Medical Center in Iowa City, Iowa, part of Veterans Health Administration.
Dr. Frederiksen's NPI, 1730828740, was assigned on May 31, 2022. Dr. Frederiksen holds Iowa license 12497.
- NPI
- 1730828740NPI Registry (opens in a new tab)
- NPI enumeration date
- May 31, 2022
- NPI status
- Active
- Practice phone
- (319) 338-0581
- 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
Dr. Hunter Greer Frederiksen practices at Iowa City VA Medical Center in Iowa City, Iowa
Dr. Frederiksen's primary practice is Iowa City VA Medical Center, at 601 Highway 6 West, Iowa City, IA 52246 in Johnson County. The practice phone is (319) 338-0581.
- Iowa City VA Medical Center601 Highway 6 West, Iowa City, IA 52246 · Johnson CountyPhone(319) 338-0581
Source: Dmand AI Affiliation Data
Dr. Hunter Greer Frederiksen is affiliated with 1 site of care
Dr. Frederiksen's primary practice is Iowa City VA Medical Center in Iowa City, Iowa, part of Veterans Health Administration. Dr. Frederiksen'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. Hunter Greer Frederiksen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Frederiksen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Iowa City VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Hunter Greer Frederiksen is one of 726 internists in Iowa
Internal medicine is Dr. Frederiksen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Frederiksen is licensed in Iowa.
Specialties and state licenses
- Internal medicine, IowaPrimary
Internists near Dr. Frederiksen
Counts of internists 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. Hunter Greer Frederiksen's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Frederiksen's median patient age at 74, with 83% women.
Dr. Frederiksen'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
- Women83%
- Men17%
Source: Dmand AI Patient Panel Data
Dr. Hunter Greer Frederiksen wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Frederiksen wrote 62 Medicare Part D claims for 15 patients. 97% of them were for generic drugs.
Dr. Frederiksen's Part D claims by kind of drug, 2024
- Generic60 claims97%
- Brand-name and other2 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Hunter Greer Frederiksen received $463 in industry payments in 2025
CMS Open Payments shows 8 general payments to Dr. Frederiksen from 5 drug and device companies in 2025. Education make up the largest share, 51% of the total. Abbott Laboratories paid the most, $321.
General payments to Dr. Frederiksen by kind, 2025 to 2025
- Education$23651%
- Food and beverage$22849%
Companies that paid Dr. Frederiksen 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 Dr. Hunter Greer Frederiksen'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 |
| 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 Dr. Hunter Greer Frederiksen
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. Hunter Greer Frederiksen's NPI number?
Dr. Hunter Greer Frederiksen's NPI number is 1730828740. It was assigned on May 31, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Hunter Greer Frederiksen?
Dr. Hunter Greer Frederiksen is an internist in Iowa City, Iowa. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hunter Greer Frederiksen practice?
Dr. Frederiksen practices at 601 Highway 6 West, Iowa City, IA 52246. Dr. Frederiksen's primary practice is Iowa City VA Medical Center in Iowa City, Iowa, part of Veterans Health Administration.
What is Dr. Hunter Greer Frederiksen's office phone number?
The practice phone on file for Dr. Frederiksen is (319) 338-0581.
What is Dr. Hunter Greer Frederiksen's medical license number?
Dr. Frederiksen holds Iowa license 12497.
Which hospitals is Dr. Hunter Greer Frederiksen affiliated with?
Dr. Frederiksen practices at Iowa City VA Medical Center in Iowa City, Iowa.
Has Dr. Hunter Greer Frederiksen received payments from drug or device companies?
CMS Open Payments shows $463 in general payments to Dr. Frederiksen from 5 companies from 2025 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Hunter Greer Frederiksen been practicing?
Dr. Frederiksen's NPI was assigned in 2022.
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