Br J Ophthalmol
Disease ProgressionNerve FibersRetinal Degeneration
Dr. James C. Folk, MD
NPI1316948490
- Medicare services, 2022
- 109
- Part D claims, 2020
- 13
- Publications
- 47
- Hospital affiliations
- 1
- Industry payments
- $35,959
- 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. Folk'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. James C. Folk is an ophthalmologist in Iowa City, Iowa
Dr. Folk practices at Iowa City VA Medical Center in Iowa City, Iowa, part of Veterans Health Administration.
Dr. Folk's NPI, 1316948490, was assigned on August 10, 2005. Dr. Folk graduated from Jefferson Medical College of Thomas Jefferson University in 1977. Dr. Folk holds Iowa license 22181.
NPI and contact details
- NPI
- 1316948490NPI Registry (opens in a new tab)
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Practice phone
- (319) 338-0581
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. James C. Folk practices at Iowa City VA Medical Center in Iowa City, Iowa
Dr. Folk'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. James C. Folk is affiliated with 1 site of care
Dr. Folk's primary practice is Iowa City VA Medical Center in Iowa City, Iowa, part of Veterans Health Administration. Dr. Folk'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. James C. Folk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Folk 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
See the EHR and IT leaders at every hospital where Dr. Folk practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James C. Folk is one of 180 ophthalmologists in Iowa
Ophthalmology is Dr. Folk's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Folk is licensed in Iowa.
Specialties and state licenses
- Ophthalmology, IowaPrimary
Ophthalmologists near Dr. Folk
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
180ophthalmologists in Iowa62ophthalmologists in Iowa City11ophthalmologists at Iowa City VA Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James C. Folk billed Medicare for 109 services in 2022
CMS data shows 109 Medicare services from Dr. Folk across 2 procedure codes in 2022. Medicare paid $3,864 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2022109
Paid by Medicare$3,864
Procedure codes2
Dr. Folk's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Tests and treatments
- 2021: 3492022: 5784%
- Office and hospital visits
- 2021: 3002022: 5283%
- Imaging
- 2021: 252022: 0100%
- Surgery
- 2021: 162022: 0100%
Dr. Folk compared with the Iowa median for ophthalmologists, 2022
- Dr. Folk
- Iowa median
- Medicare services
- 109vs 1,79294% below
- Part D claims
- 13vs 39697% below
Medians across 183 ophthalmologists in Iowa with Dmand AI profiles that report each measure.
Dr. Folk's most billed Medicare procedure codes, 2022
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. Folk?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Folk and other ophthalmologists in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James C. Folk's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Folk's median patient age at 75, with 50% women.
Dr. Folk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. James C. Folk wrote 13 Medicare Part D claims in 2020
In 2020, Dr. Folk wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $57 in total drug cost. In 2019, CMS named 11 claims across 1 drug.
Part D claims, 202013
Drugs named by CMS1
Total drug cost$57
Dr. Folk's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 112020: 1318%
Drugs named by CMS: 1 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Find ophthalmologists like Dr. Folk by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. James C. Folk has 47 publications on record
Dmand AI links 47 papers to Dr. Folk, published from 2013 to 2025. 2015 was the busiest year, with 9. The most frequent topics are Tomography, Optical Coherence, Visual Acuity and Retina. Dr. Folk has published most often in Retina. Dr. Folk's most frequent co-authors are Stephen R. Russell, MD, Elliott H. Sohn and Vinit Bharati Mahajan, MD, PhD.
Papers47
Years published2013 to 2025
Dr. Folk's papers by year, 2013 to 2025
Topics Dr. Folk writes about most
- Tomography, Optical Coherence
- Visual Acuity
- Retina
- Retinal Diseases
- Diabetic Retinopathy
- Intravitreal Injections
- Macular Edema
- Vitrectomy
Dr. Folk's most frequent co-authors
- Stephen R. Russell, MD22 shared papers
- Elliott H. Sohn17 shared papers
- Vinit Bharati Mahajan, MD, PhD15 shared papers
Recent publications by Dr. Folk
Ophthalmol Retina
RetinaRetinal DetachmentRetinal Diseases
Ocul Immunol Inflamm
AutoantibodiesAutoimmune DiseasesPhenotype
Intrafamilial Variability of Ocular Manifestations of von Hippel-Lindau Disease (opens in a new tab)
Ophthalmol Retina
Disease ManagementDNADNA Mutational Analysis
See who Dr. Folk researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Folk works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James C. Folk received $35,959 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Folk from 3 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 94% of the total. Digital Diagnostics Inc. paid the most, $34,538.
General payments to Dr. Folk by program year, 2016 to 2025
General payments to Dr. Folk by kind, 2016 to 2025
$36Kin total
- Consulting fees$33,82594%
- Travel and lodging$1,7325%
- Food and beverage$3951%
- Gifts$70%
Companies that paid Dr. Folk the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James C. Folk graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Folk graduated from Jefferson Medical College of Thomas Jefferson University in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James C. Folk'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. James C. Folk
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. James C. Folk's NPI number?
Dr. James C. Folk's NPI number is 1316948490. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James C. Folk?
Dr. James C. Folk is an ophthalmologist in Iowa City, Iowa. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. James C. Folk practice?
Dr. Folk practices at 601 Highway 6 West, Iowa City, IA 52246. Dr. Folk's primary practice is Iowa City VA Medical Center in Iowa City, Iowa, part of Veterans Health Administration.
What is Dr. James C. Folk's office phone number?
The practice phone on file for Dr. Folk is (319) 338-0581.
What is Dr. James C. Folk's medical license number?
Dr. Folk holds Iowa license 22181.
Which hospitals is Dr. James C. Folk affiliated with?
Dr. Folk practices at Iowa City VA Medical Center in Iowa City, Iowa.
Does Dr. James C. Folk accept Medicare?
Yes. CMS data shows Dr. Folk billed Medicare for 109 services in 2022.
What services does Dr. James C. Folk bill to Medicare?
In 2022, Dr. Folk's most billed Medicare services were eye exam or test (92134) and office visit, established patient (99214).
Where did Dr. James C. Folk go to medical school?
Dr. Folk graduated from Jefferson Medical College of Thomas Jefferson University in 1977.
What drugs does Dr. James C. Folk prescribe most?
In 2020 Medicare Part D data, Dr. Folk's most prescribed drugs by claims were Amlodipine Besylate.
Show 4 more questionsShow fewer questions
Has Dr. James C. Folk received payments from drug or device companies?
CMS Open Payments shows $35,959 in general payments to Dr. Folk from 3 companies from 2016 to 2025. The largest total came from Digital Diagnostics Inc.
How long has Dr. James C. Folk been practicing?
Dr. Folk graduated from medical school in 1977, 49 years ago.
Does Dr. James C. Folk do research?
Dmand AI links 47 publications to Dr. Folk, published from 2013 to 2025.
Who does Dr. James C. Folk publish with?
Dr. Folk's most frequent co-authors are Stephen R. Russell, MD (22 shared papers), Elliott H. Sohn (17 shared papers) and Vinit Bharati Mahajan, MD, PhD (15 shared papers).
Selling to ophthalmology practices?
See ophthalmologists in Iowa by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card