Doctor profile · Federal record

Dr. Ronald Kawauchi, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Owosso, MI

  • NPI 1275625147
  • Accepts Medicare
  • MIPS 53.4 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
721 N Shiawassee St Ste 101
Owosso, MI 488671632
(989) 729-4673
fax (989) 725-2617

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
October 16, 2024
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Michigan #4301102026
Medicaid
MI #1275625147

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275625147. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
795
Distinct HCPCS
8
Medicare allowed
$74,894
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 426 173 $95
99213 Established patient office or other outpatient visit, 20-29 minutes 147 122 $65
99215 Established patient office or other outpatient visit, 40-54 minutes 92 57 $140
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 34 $128
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 38 22 $49
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 12 $78
99203 New patient office or other outpatient visit, 30-44 minutes 15 15 $81
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $131

In context: peer comparison

Among 1 peers in this city , average services per provider: 99. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,044
Transactions
55
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 19 $247.16
PFIZER INC. 6 $106.20
Merck Sharp & Dohme LLC 4 $87.11
AstraZeneca Pharmaceuticals LP 4 $72.65
ARRAY BIOPHARMA INC 4 $67.49
BeiGene USA, Inc. 2 $46.38
Gilead Sciences, Inc. 2 $45.60
Astellas Pharma US Inc 2 $38.21
Genentech USA, Inc. 2 $37.86
Celgene Corporation 2 $37.57
SpringWorks Therapeutics, Inc. 2 $33.83
PUMA BIOTECHNOLOGY, INC. 2 $33.72
Aveo Pharmaceuticals, Inc. 2 $28.69
Eisai Inc. 1 $25.74
Daiichi Sankyo Inc. 1 $23.36

By nature of payment

Food and Beverage
$1,044

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
794
Patients
257
Total drug cost
$1,844,306
Drug Type Claims Patients Total cost
Letrozole Generic 153 55 $13,713
Eliquis (Apixaban) Brand 95 25 $67,422
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 69 29 $1,866
Ondansetron Hcl Generic 57 36 $1,249
Warfarin Sodium Generic 55 12 $770
Prednisone Generic 52 20 $388
Potassium Chloride Generic 49 16 $746
Fentanyl Generic 48 14 $3,346
Xtandi (Enzalutamide) Brand 37 0 $497,266
Allopurinol Generic 33 11 $591

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Kawauchi's medical specialty?
Dr. Ronald Kawauchi practices Hematology & Oncology Physician in Owosso, MI.
Where does Dr. Ronald Kawauchi practice?
Dr. Ronald Kawauchi practices at 721 N Shiawassee St Ste 101, Owosso, MI 488671632. Office phone: 9897294673.
What is Dr. Ronald Kawauchi's NPI?
Dr. Ronald Kawauchi's National Provider Identifier (NPI) is 1275625147, issued by NPPES.
Does Dr. Ronald Kawauchi accept Medicare assignment?
Yes. Dr. Ronald Kawauchi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Kawauchi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.