Doctor profile · Federal record
Dr. Masayasu Kihira, MD PHD
Family Medicine Physician (CMS: Family Practice) · General Practice Physician · San Mateo, CA
- NPI 1851358071
- Accepts Medicare
- 43 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
40 N San Mateo Dr, Nihon Bay Clinic
San Mateo, CA 944012824
(650) 558-0337
fax (650) 558-9364
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 21, 2011
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A061938
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851358071. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
318
Distinct HCPCS
5
Medicare allowed
$22,774
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 139 | 57 | $108 | |
36415 |
Insertion of needle into vein for collection of blood sample | 98 | 47 | $8 | |
G0008 |
Administration of influenza virus vaccine | 28 | 28 | $36 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 27 | 17 | $151 | |
90662 |
Influenza vaccine split virus, preservative free | 26 | 26 | $72 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 58. This provider delivers 5.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
284
Patients
29
Total drug cost
$10,187
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 54 | 15 | $546 |
| Amlodipine Besylate | Generic | 49 | 14 | $520 |
| Allopurinol | Generic | 26 | 0 | $259 |
| Omeprazole | Generic | 25 | 0 | $611 |
| Levothyroxine Sodium | Generic | 22 | 0 | $378 |
| Lisinopril | Generic | 19 | 0 | $134 |
| Simvastatin | Generic | 19 | 0 | $201 |
| Atenolol | Generic | 18 | 0 | $138 |
| Metformin Hcl | Generic | 15 | 0 | $80 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 14 | 0 | $6,961 |
Frequently asked questions
What is Dr. Masayasu Kihira's medical specialty?
Dr. Masayasu Kihira practices Family Medicine Physician in San Mateo, CA.
Where does Dr. Masayasu Kihira practice?
Dr. Masayasu Kihira practices at 40 N San Mateo Dr, San Mateo, CA 944012824. Office phone: 6505580337.
What is Dr. Masayasu Kihira's NPI?
Dr. Masayasu Kihira's National Provider Identifier (NPI) is 1851358071, issued by NPPES.
Does Dr. Masayasu Kihira accept Medicare assignment?
Yes. Dr. Masayasu Kihira accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Masayasu Kihira commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.