Yacki Hayashi-Tanner, D.O.
NPI 1487031894 · Hematology & Oncology Physician · La Crosse, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yacki Hayashi-Tanner, D.O. is a Hematology & Oncology Physician provider in La Crosse, WI (NPI 1487031894).
Provider details
- NPI number
- 1487031894
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 70067 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
147 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 48 | $133 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 46 | $15 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 17 | $15 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 13 | $166 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 78 | 19 |
| Lenalidomidebrand: Revlimid | 35 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 20 | — |
| Ruxolitinib Phosphatebrand: Jakafi | 18 | — |
| Zanubrutinibbrand: Brukinsa | 17 | — |
| Dexamethasone | 14 | — |
| Anastrozole | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-05
- Last updated
- 2024-07-17
- Certified
- 2024-07-17
Frequently asked questions
- What is Yacki Hayashi-Tanner's NPI number?
- Yacki Hayashi-Tanner's National Provider Identifier (NPI) is 1487031894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yacki Hayashi-Tanner's specialty?
- Yacki Hayashi-Tanner is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Yacki Hayashi-Tanner located?
- Yacki Hayashi-Tanner's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Yacki Hayashi-Tanner's phone number?
- The practice phone number listed in the NPPES registry for Yacki Hayashi-Tanner is (608) 782-7300.
- Does Yacki Hayashi-Tanner accept Medicare?
- Yacki Hayashi-Tanner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yacki Hayashi-Tanner's NPI active?
- Yes — Yacki Hayashi-Tanner's NPI (1487031894) is active in the NPPES registry as of the last update on 2024-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.