Nithin Karnan, MD
Nithin Karnan, MD is an Internal Medicine Physician in Mason City, Iowa. Licensed in Iowa. Registered with an NPI since 2025.
- Licensed in
- IA
- In the registry since
- 2025
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
1010 4th St SW Ste 305Mason City, IA 50401-2856
Phone: (641) 428-5700
Show map & directions
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Internal Medicine Physician (primary) | Taxonomy 207R00000X · Licence R-13421 (IA) |
|---|
Record details
| NPI number | 1639069099 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | July 8, 2025 |
| Last updated in NPPES | July 8, 2025 |
| Certification date | July 8, 2025 |
| Mailing address | 1010 4th St Sw, Suite 305, Mason City, IA 50401-2856 |
Other providers in Mason City
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Burt Humburg, MD
1000 4th St SW, Mason City, IA 50401-2800 · (641) 428-7000
-
Sumathy Nagraj Iyengar, MD
1000 4th St SW Mercy Medical Center-Hospitalist Dept, Mason City, IA 50401-2800 · (641) 428-7000
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Mark C Johnson, MD
910 N Eisenhower Ave, Mason City, IA 50401-2800 · (641) 428-7799
-
Smitha A Kanak, MD
621 S Illinois Ave, Mason City, IA 50401-5489 · (641) 494-3000
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Dr. Rupesh Kshetri, MD
1000 4th St SW, Mason City, IA 50401-2800 · (641) 428-7000
-
Dr. Gary M Levinson, MD
1000 4th St SW Ste IM, Mason City, IA 50401-2800 · (641) 422-6999
-
Dr. Ali H Mardan, PHD, MD, RPVI, FACP
1000 4th St SW, Mason City, IA 50401-2800 · (641) 428-8001
-
Dr. Hersi Cabdi Moallin
1631 4th St SW Ste 114B, Mason City, IA 50401-1612 · (641) 428-6000