Adam Hoffmann, DO
Internal Medicine Physician · Mason City, IA
Adam Hoffmann, DO is an internal medicine physician with a practice address in Mason City, Iowa, and NPI 1093339871, issued on Jun 8, 2020. Check the license (Iowa R-11903, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Adam Hoffmann
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R-11903 IA
Self-reported in NPPES; status is on the state search - Practice location
- 250 S Crescent Dr Ste 200, Mason City, IA 50401
- Phone
- (641) 494-5300
- Enumerated
- Jun 8, 2020
- Record last updated
- Jun 30, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Also registered at 250 S Crescent Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jashan Gill, MDInternal Medicine Physician1447866579
Verify Adam Hoffmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-11903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
429 Medicare Part D claims for 132 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate50 claims
- Losartan Potassium40 claims
- Clopidogrel31 claims
- Amlodipine Besylate24 claims
- Carvedilol23 claims
- Eliquis20 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.
Industry payments in 2024: $1,664.73
65 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Adam Hoffmann among 871 internal medicine physician records in Iowa
Adam Hoffmann, DO is one of 871 internal medicine physician records with a practice address in Iowa. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 44% of these records are
- Record last updated2023 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 internal medicine physician records list a practice address in Mason City
They are 36 of the 866 NPPES records with a practice address in Mason City, and 871 internal medicine physician records in Iowa.
All 871 in Iowa → Every provider in Mason City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Phillip Alscher, MDMason City, IA 504011700993888
- Vaughan Cipperly, MDMason City, IA 504011942235429
- Patrick Dunlay, DOMason City, IA 504011811004294
- Melissa Frame, MDMason City, IA 504011881796712
- Bruce Harlan, MDMason City, IA 504011336256593
- Mark Johnson, MDMason City, IA 504011013923127
- Janice Kirsch, MDMason City, IA 504011992809636
- Ali Mardan, PHD, MD, RPVI, FACPMason City, IA 504011619905353
Common questions
What is Adam Hoffmann, DO's NPI number?
Adam Hoffmann, DO's National Provider Identifier (NPI) is 1093339871, issued on Jun 8, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Adam Hoffmann, DO located?
The NPPES record lists a practice address at 250 S Crescent Dr Ste 200, Mason City, IA, 50401. Phone: (641) 494-5300. Providers update this record themselves, so call before visiting.
How can I verify Adam Hoffmann, DO's license?
NPPES lists Iowa license number R-11903, 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 Adam Hoffmann, DO prescribe under Medicare Part D?
In 2024, Adam Hoffmann, DO had 429 Medicare Part D claims for 132 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.