Smitha A. Kanak, MD
Internal Medicine Physician · Mason City, IA
Smitha A. Kanak, MD is an internal medicine physician with a practice address in Mason City, Iowa, and NPI 1326279704, issued on Aug 3, 2009. Check the license (Iowa 38610, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Smitha A. Kanak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 38610 IA
Self-reported in NPPES; status is on the state search - Practice location
- 621 S Illinois Ave, Mason City, IA 50401
- Phone
- (641) 494-3000
- Enumerated
- Aug 3, 2009
- Record last updated
- Aug 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (641) 494-3059
- Medicare enrollment
- Enrolled (PECOS I20090901000438); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 871 in Iowa → Look up another NPI →
Also registered at 621 S Illinois Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Smitha A. Kanak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 38610Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
360 Medicare Part D claims for 139 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium39 claims
- Prednisone21 claims
- Metoprolol Tartrate17 claims
- Cephalexin16 claims
- Amoxicillin-Clavulanate Potass12 claims
- Cefdinir12 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
- Cogent Healthcare OF Iowa PCMason City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Smitha A. Kanak among 871 internal medicine physician records in Iowa
Smitha A. Kanak, MD 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 2009, is newer than 44% of them.
- NPI issued2009 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 44% of these records are
- Graduated2001 · median 2008 among the 386 with a school on file
- Record last updated2020 · 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 Smitha A. Kanak, MD's NPI number?
Smitha A. Kanak, MD's National Provider Identifier (NPI) is 1326279704, issued on Aug 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Smitha A. Kanak, MD located?
The NPPES record lists a practice address at 621 S Illinois Ave, Mason City, IA, 50401. Phone: (641) 494-3000. Providers update this record themselves, so call before visiting.
How can I verify Smitha A. Kanak, MD's license?
NPPES lists Iowa license number 38610, 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 Smitha A. Kanak, MD prescribe under Medicare Part D?
In 2024, Smitha A. Kanak, MD had 360 Medicare Part D claims for 139 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.