Ronald Kawauchi, MD
NPI 1275625147 · Hematology & Oncology Physician · Owosso, MI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ronald Kawauchi, MD is a Hematology & Oncology Physician provider in Owosso, MI (NPI 1275625147).
Provider details
- NPI number
- 1275625147
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301102026 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
839 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 592 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 112 | $74 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 38 | $125 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 29 | $46 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 23 | $79 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 161 | 28 |
| Letrozole | 158 | 51 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 71 | 31 |
| Potassium Chloride | 71 | 26 |
| Ondansetron Hcl | 69 | 44 |
| Furosemide | 60 | 24 |
| Prednisone | 59 | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,044 across 61 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2024-10-16
- Certified
- 2024-10-16
Frequently asked questions
- What is Ronald Kawauchi's NPI number?
- Ronald Kawauchi's National Provider Identifier (NPI) is 1275625147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Kawauchi's specialty?
- Ronald Kawauchi is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Kawauchi located?
- Ronald Kawauchi's practice location on file with NPPES is 721 N Shiawassee St Ste 101, Owosso, MI 48867-1632.
- What is Ronald Kawauchi's phone number?
- The practice phone number listed in the NPPES registry for Ronald Kawauchi is (989) 729-4673.
- Does Ronald Kawauchi accept Medicare?
- Ronald Kawauchi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ronald Kawauchi's NPI active?
- Yes — Ronald Kawauchi's NPI (1275625147) is active in the NPPES registry as of the last update on 2024-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.