Doctor profile · Federal record
Dr. Michael Olthoff, MD
Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Infectious Disease Physician · Iowa City, IA
- NPI 1134500408
- Accepts Medicare
- 11 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
200 Hawkins Dr
Iowa City, IA 522421009
(319) 356-7740
fax (319) 356-4600 - Additional location
-
500 E Market St
Iowa City, IA 522452633 - Additional location
-
540 E Jefferson St Ste 400
Iowa City, IA 522452479 - Additional location
-
701 W Forevergreen RD
North Liberty, IA 523179848
(319) 356-2633
fax (319) 356-3949
Show 1 more location
Credentials & registration
- NPI registered
- June 2015 — 11 yrs on file
- Profile last updated
- August 5, 2025
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State licenses (2)
- Iowa #MD-46612 · Colorado #DR.0070416
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134500408. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
422
Distinct HCPCS
4
Medicare allowed
$53,186
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 236 | 117 | $120 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 103 | 71 | $130 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 51 | 51 | $175 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 32 | 22 | $79 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 73. This provider delivers 5.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
167
Patients
22
Total drug cost
$252,321
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 39 | 0 | $159,613 |
| Atorvastatin Calcium | Generic | 26 | 0 | $102 |
| Triumeq (Abacavir/Dolutegravir/Lamivudi) | Brand | 23 | 0 | $89,123 |
| Amlodipine Besylate | Generic | 14 | 0 | $17 |
| Doxycycline Hyclate | Generic | 14 | 11 | $385 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 11 | $211 |
| Famotidine | Generic | 13 | 0 | $94 |
| Fosfomycin Tromethamine | Generic | 13 | 0 | $2,697 |
| Amoxicillin | Generic | 12 | 0 | $78 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Olthoff's medical specialty?
Dr. Michael Olthoff practices Infectious Disease Physician in Iowa City, IA.
Where does Dr. Michael Olthoff practice?
Dr. Michael Olthoff practices at 200 Hawkins Dr, Iowa City, IA 522421009. Office phone: 3193567740.
What is Dr. Michael Olthoff's NPI?
Dr. Michael Olthoff's National Provider Identifier (NPI) is 1134500408, issued by NPPES.
Does Dr. Michael Olthoff accept Medicare assignment?
Yes. Dr. Michael Olthoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Olthoff commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.