Michael Craig Olthoff, MD
Infectious Disease Physician · Iowa City, IA
Michael Craig Olthoff, MD is an infectious disease physician with a practice address in Iowa City, Iowa, and NPI 1134500408, issued on Jun 12, 2015. Check the license (Iowa MD-46612, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael Craig Olthoff
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- MD-46612 IA
DR.0070416 CO
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-7740
- Enumerated
- Jun 12, 2015
- Record last updated
- Aug 5, 2025
- Fax
- (319) 356-4600
- Medicare enrollment
- Enrolled (PECOS I20190910002819); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 75 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.
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- Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160
Verify Michael Craig Olthoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-46612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average infectious disease physician in 2024
159 Medicare Part D claims for 56 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate22 claims
- Cefadroxil19 claims
- Penicillin V Potassium19 claims
- Amoxicillin-Clavulanate Potass16 claims
- Rifampin13 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).
Michael Craig Olthoff among 75 infectious disease physician records in Iowa
Michael Craig Olthoff, MD is one of 75 infectious disease physician records with a practice address in Iowa. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2015 · median 2003 among the 54 with a school on file
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Iowa
There are 75 infectious disease physician records in Iowa.
All 75 in Iowa → Every provider in Iowa City → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Jason Barker, MDIowa City, IA 522421730161050
- Peter Densen, MDIowa City, IA 522421518949825
- Michael Edmond, M.D.Iowa City, IA 522421568552107
- Loreen Herwaldt, MDIowa City, IA 522421811979131
- Birgir Johannsson, MDIowa City, IA 522421528172418
- Louis Kirchhoff, MDIowa City, IA 522421174510283
- Jeffery Meier, MDIowa City, IA 522421760470678
- William Nauseef, MDIowa City, IA 522421992793848
Common questions
What is Michael Craig Olthoff, MD's NPI number?
Michael Craig Olthoff, MD's National Provider Identifier (NPI) is 1134500408, issued on Jun 12, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michael Craig Olthoff, MD located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-7740. Providers update this record themselves, so call before visiting.
How can I verify Michael Craig Olthoff, MD's license?
NPPES lists Iowa license number MD-46612, 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 Michael Craig Olthoff, MD prescribe under Medicare Part D?
In 2024, Michael Craig Olthoff, MD had 159 Medicare Part D claims for 56 beneficiaries; the average among infectious disease physician prescribers was 689. 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.