Doctor profile · Federal record
Dr. Gene Mizumoto, M.D.
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Newport Beach, CA
- NPI 1538188594
- Accepts Medicare
- MIPS 53.7 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Hoag Dr
Newport Beach, CA 926634162
(949) 610-7245
fax (657) 241-7720 - Mailing address
-
Po Box 3589
Newport Beach, CA 926598589
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #G69566
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538188594. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
865
Distinct HCPCS
7
Medicare allowed
$108,511
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 497 | 169 | $125 | |
99239 |
Hospital discharge day management, more than 30 minutes | 129 | 127 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 103 | 102 | $182 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 72 | 51 | $83 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 35 | 28 | $52 | |
99238 |
Hospital discharge day management, 30 minutes or less | 17 | 17 | $86 | |
99236 |
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes | 12 | 12 | $219 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 162. This provider delivers 5.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
35
Patients
11
Total drug cost
$6,930
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 12 | 0 | $6,801 |
| Furosemide | Generic | 12 | 0 | $43 |
| Prednisone | Generic | 11 | 11 | $87 |
Hospital affiliations
Frequently asked questions
What is Dr. Gene Mizumoto's medical specialty?
Dr. Gene Mizumoto practices Hospitalist Physician in Newport Beach, CA.
Where does Dr. Gene Mizumoto practice?
Dr. Gene Mizumoto practices at 1 Hoag Dr, Newport Beach, CA 926634162. Office phone: 9496107245.
What is Dr. Gene Mizumoto's NPI?
Dr. Gene Mizumoto's National Provider Identifier (NPI) is 1538188594, issued by NPPES.
Does Dr. Gene Mizumoto accept Medicare assignment?
Yes. Dr. Gene Mizumoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gene Mizumoto commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.