Benjamin R. Griffin, MD
Nephrology Physician · Iowa City, IA
Benjamin R. Griffin, MD is a nephrology physician with a practice address in Iowa City, Iowa, and NPI 1568726529, issued on Jun 25, 2012. Check the license (Iowa MD-46392, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Benjamin R. Griffin
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD-46392 IA
DR.0058309 CO
56561 MN
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 384-8197
- Enumerated
- Jun 25, 2012
- Record last updated
- Jul 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (319) 356-2999
- Medicaid IDs
- ENROLLED MN
9000154806 CO
ENROLLED IA - Medicare enrollment
- Enrolled (PECOS I20190724000091); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 92 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Helena Aaberg, MDAnesthesiology Physician1689301558
- Abdullah Abbasi, MDGastroenterology Physician1932944204
- Mary Jo Abbott, RPHPharmacist1841325875
- Francois Abboud, MDCardiovascular Disease Physician1598753113
- Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Benjamin R. Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-46392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average nephrology physician in 2024
374 Medicare Part D claims for 73 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Lisinopril38 claims
- Jardiance37 claims
- Amlodipine Besylate30 claims
- Losartan Potassium28 claims
- Spironolactone28 claims
- Furosemide24 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
- State University OF IowaIowa City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin R. Griffin among 92 nephrology physician records in Iowa
Benjamin R. Griffin, MD is one of 92 nephrology physician records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2012 · median 2001 among the 67 with a school on file
- Record last updated2019 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Iowa
There are 92 nephrology physician records in Iowa.
All 92 in Iowa → Every provider in Iowa City → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Lisa Antes, MDIowa City, IA 522421174511026
- John Bertolatus, MDIowa City, IA 522421720075831
- Mony Fraer, MDIowa City, IA 522421497845960
- Joel Gordon, MDIowa City, IA 522421174511034
- Rebecca Hegeman, MDIowa City, IA 522421386626604
- Chou-Long Huang, MD PHDIowa City, IA 522421396704425
- Lawrence Hunsicker, MDIowa City, IA 522421881676195
- Diana Jalal, MDIowa City, IA 522421033142096
Common questions
What is Benjamin R. Griffin, MD's NPI number?
Benjamin R. Griffin, MD's National Provider Identifier (NPI) is 1568726529, issued on Jun 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin R. Griffin, MD located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 384-8197. Providers update this record themselves, so call before visiting.
How can I verify Benjamin R. Griffin, MD's license?
NPPES lists Iowa license number MD-46392, 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 R. Griffin, MD prescribe under Medicare Part D?
In 2024, Benjamin R. Griffin, MD had 374 Medicare Part D claims for 73 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.