NPPES file of Aug 9, 2026

Diane Sione Tanabe, MD

Ophthalmology Physician · Saint Paul, MN

Diane Sione Tanabe, MD is an ophthalmology physician with a practice address in Saint Paul, Minnesota, and NPI 1851409395, issued on Aug 25, 2006. Check the license (Minnesota 21440, as entered in NPPES) on the Minnesota Board of Medical Practice; 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
1851409395
Name
Diane Sione Tanabe
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
21440 MN
Self-reported in NPPES; status is on the state search
Practice location
280 Smith Ave N Ste 400, Saint Paul, MN 55102
Phone
(651) 292-8200
Enumerated
Aug 25, 2006
Record last updated
Apr 27, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(651) 292-1801
Medicaid ID
841890000 MN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Diane Sione Tanabe in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 21440
    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 Minnesota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average ophthalmology physician in 2024

25 Medicare Part D claims, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.

  1. Diane Tanabe25
  2. Specialty average1,518

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.

Diane Sione Tanabe among 434 ophthalmology physician records in Minnesota

Diane Sione Tanabe, MD is one of 434 ophthalmology physician records with a practice address in Minnesota. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 44% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Minnesota

There are 434 ophthalmology physician records in Minnesota.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. David Johnson, MDSt Paul, MN 551011811964117
  2. Jerry Kobrin, MDSt Paul, MN 551011023084084
  3. Leslie Kopietz, MDSt Paul, MN 551011851369151
  4. John Nelson, MDSt Paul, MN 551011417928359
  5. Anthony Pfaff, MDSt Paul, MN 551011386610731
  6. Martin Bruhl, MDSt Paul, MN 551041417901455
  7. John Foley, MDSaint Paul, MN 551041124133764
  8. Elliott Troup, MDSaint Paul, MN 551041467402644

Common questions

What is Diane Sione Tanabe, MD's NPI number?

Diane Sione Tanabe, MD's National Provider Identifier (NPI) is 1851409395, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diane Sione Tanabe, MD located?

The NPPES record lists a practice address at 280 Smith Ave N Ste 400, Saint Paul, MN, 55102. Phone: (651) 292-8200. Providers update this record themselves, so call before visiting.

How can I verify Diane Sione Tanabe, MD's license?

NPPES lists Minnesota license number 21440, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Diane Sione Tanabe, MD prescribe under Medicare Part D?

In 2024, Diane Sione Tanabe, MD had 25 Medicare Part D claims; the average among ophthalmology physician prescribers was 1,518. 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.