Yacki Hayashi-Tanner, D.O.
Hematology & Oncology Physician · La Crosse, WI
Yacki Hayashi-Tanner, D.O. is a hematology & oncology physician with a practice address in La Crosse, Wisconsin, and NPI 1487031894, issued on May 5, 2015. Check the license (Wisconsin 70667, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Yacki Hayashi-Tanner
- Credential
- D.O.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 70667 WI
70067 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1836 South Ave, La Crosse, WI 54601
- Phone
- (608) 782-7300
- Enumerated
- May 5, 2015
- Record last updated
- Jul 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20240801002986); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 295 in Wisconsin → Look up another NPI →
Also registered at 1836 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Aberger, MDGastroenterology Physician1396748711
- Bradley Abicht, DPMPodiatrist1962632166
- Carter Abicht, DOAnesthesiology Physician1932736642
- Grace AbichtCertified Registered Nurse Anesthetist1003651555
- Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
- Mateen Abidi, M.DCardiovascular Disease Physician1730333980
Verify Yacki Hayashi-Tanner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 70667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
423 Medicare Part D claims for 71 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D.
Most prescribed
- Acyclovir78 claims
- Revlimid35 claims
- Sulfamethoxazole-Trimethoprim20 claims
- Jakafi18 claims
- Brukinsa17 claims
- Anastrozole14 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 2 group practices
- Gundersen Clinic LtdLa Crosse, WI
- Gundersen Lutheran Medical Center IncWinona, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yacki Hayashi-Tanner among 295 hematology & oncology physician records in Wisconsin
Yacki Hayashi-Tanner, D.O. is one of 295 hematology & oncology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 81% of them.
- NPI issued2015 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2017 · median 2004 among the 217 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Wisconsin
There are 295 hematology & oncology physician records in Wisconsin.
All 295 in Wisconsin → Every provider in La Crosse → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Christian Debranin, MDLa Crosse, WI 546011417036005
- John Farnen, MDLa Crosse, WI 546011467457432
- Paula Gill, MDLa Crosse, WI 546011750363909
- Gil Harmon, MDLa Crosse, WI 546011104265339
- Paul Letendre, MDLa Crosse, WI 546011801158852
- David Marinier, M.D.La Crosse, WI 546011851412555
- Kurt Oettel, MDLa Crosse, WI 546011770585051
- Michael Ojelabi, M.DLa Crosse, WI 546011760699003
Common questions
What is Yacki Hayashi-Tanner, D.O.'s NPI number?
Yacki Hayashi-Tanner, D.O.'s National Provider Identifier (NPI) is 1487031894, issued on May 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Yacki Hayashi-Tanner, D.O. located?
The NPPES record lists a practice address at 1836 South Ave, La Crosse, WI, 54601. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.
How can I verify Yacki Hayashi-Tanner, D.O.'s license?
NPPES lists Wisconsin license number 70667, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yacki Hayashi-Tanner, D.O. prescribe under Medicare Part D?
In 2024, Yacki Hayashi-Tanner, D.O. had 423 Medicare Part D claims for 71 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.