NPPES file of Aug 9, 2026

Tomohiro Tanaka, M.D.

Hepatology Physician · Iowa City, IA

Tomohiro Tanaka, M.D. is a hepatology physician with a practice address in Iowa City, Iowa, and NPI 1184098667, issued on Nov 19, 2015. Check the license (Iowa SP-217, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184098667
Name
Tomohiro Tanaka
Credential
M.D.
Primary taxonomy
Hepatology Physician 207RI0008X
License number
SP-217 IA
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-4901
Enumerated
Nov 19, 2015
Record last updated
Sep 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(319) 384-8559
Medicare enrollment
Enrolled (PECOS I20151216000540); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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7 nearest hepatology physician records → All 8 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.

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Tomohiro Tanaka in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license SP-217    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

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25% more Medicare Part D claims than the average hepatology physician in 2024

953 Medicare Part D claims for 152 beneficiaries, against an average of 762 among the 228 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Tomohiro Tanaka953
  2. Specialty average762

Most prescribed

  1. Tacrolimus204 claims
  2. Ursodiol201 claims
  3. Mycophenolate Mofetil60 claims
  4. Spironolactone40 claims
  5. Furosemide36 claims
  6. Prednisone35 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

  1. 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).

Hepatology Physician providers in Iowa

There are 8 hepatology physician records in Iowa.

All 8 in Iowa → Every provider in Iowa City → Hepatology Physician nationwide →

The 7 hepatology physician records with the nearest ZIP codes

  1. Alan Gunderson, M.D.Iowa City, IA 522421942404785
  2. Douglas Labrecque, MDIowa City, IA 522421063489953
  3. Yasameen Muzahim, MDIowa City, IA 522421639666340
  4. Antonio Sanchez, M.D.Iowa City, IA 522421467441238
  5. Warren Schmidt, MDIowa City, IA 522421760464143
  6. Amanda Farmer, RNIowa City, IA 522461871454223
  7. Nile Dusdieker, MDCedar Rapids, IA 524011336255546

Common questions

What is Tomohiro Tanaka, M.D.'s NPI number?

Tomohiro Tanaka, M.D.'s National Provider Identifier (NPI) is 1184098667, issued on Nov 19, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tomohiro Tanaka, M.D. located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-4901. Providers update this record themselves, so call before visiting.

How can I verify Tomohiro Tanaka, M.D.'s license?

NPPES lists Iowa license number SP-217, 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 Tomohiro Tanaka, M.D. prescribe under Medicare Part D?

In 2024, Tomohiro Tanaka, M.D. had 953 Medicare Part D claims for 152 beneficiaries; the average among hepatology physician prescribers was 762. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.