Benjamin Janson, M.D.
Ophthalmology Physician · Iowa City, IA
Benjamin Janson, M.D. is an ophthalmology physician with a practice address in Iowa City, Iowa, and NPI 1275957623, issued on Feb 5, 2014. Check the license (Iowa MD-47079, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Benjamin Janson
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD-47079 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2629 Northgate Dr, Iowa City, IA 52245
- Phone
- (319) 338-3626
- Enumerated
- Feb 5, 2014
- Record last updated
- Jan 25, 2022
- Medicare enrollment
- Enrolled (PECOS I20200623002671); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 220 in Iowa → Look up another NPI →
Also registered at 2629 Northgate Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Savannah Millikin, ODOptometrist1558930107
- Brandon Stalzer, O.D.Optometrist1215925227
- John Stamler, M.D., PHD.Ophthalmology Physician1720085509
- Lyse Strnad, M.D.Ophthalmology Physician1306843230
- Chris Watts, M.D.Ophthalmology Physician1457598641
Verify Benjamin Janson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-47079Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average ophthalmology physician in 2024
714 Medicare Part D claims for 182 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Latanoprost296 claims
- Ketorolac Tromethamine73 claims
- Timolol Maleate71 claims
- Dorzolamide-Timolol70 claims
- Prednisolone Acetate51 claims
- Dorzolamide Hcl21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Fuerste Eye ClinicDubuque, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Janson among 220 ophthalmology physician records in Iowa
Benjamin Janson, M.D. is one of 220 ophthalmology physician records with a practice address in Iowa. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 71% of them.
- NPI issued2014 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2016 · median 2006 among the 123 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 ophthalmology physician records list a practice address in Iowa City
They are 94 of the 7,163 NPPES records with a practice address in Iowa City, and 220 ophthalmology physician records in Iowa.
All 220 in Iowa → Every provider in Iowa City → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Robert Goffstein, MDIowa City, IA 522451043518368
- John Stamler, M.D., PHD.Iowa City, IA 522451720085509
- Lyse Strnad, M.D.Iowa City, IA 522451306843230
- Chris Watts, M.D.Iowa City, IA 522451457598641
- Stephen Wolken, M.D.Iowa City, IA 522451962409623
- Priya Gupta, M.D.Iowa City, IA 522461366604787
- Alex Kartvelishvili, M.D.Iowa City, IA 522461215124706
- Kay Larue, COA,ABOCIowa City, IA 522461306703327
Common questions
What is Benjamin Janson, M.D.'s NPI number?
Benjamin Janson, M.D.'s National Provider Identifier (NPI) is 1275957623, issued on Feb 5, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Janson, M.D. located?
The NPPES record lists a practice address at 2629 Northgate Dr, Iowa City, IA, 52245. Phone: (319) 338-3626. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Janson, M.D.'s license?
NPPES lists Iowa license number MD-47079, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benjamin Janson, M.D. prescribe under Medicare Part D?
In 2024, Benjamin Janson, M.D. had 714 Medicare Part D claims for 182 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.