Doctor profile · Federal record
Dr. Ryotaro Nakamura, MD
Hematology (Internal Medicine) Physician (CMS: Hematology) · Hematology & Oncology Physician · Duarte, CA
- NPI 1629174552
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 E Duarte RD
Duarte, CA 91010
(626) 359-8111 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- November 18, 2020
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State licenses (2)
- California #A78860 · California #A78660
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629174552. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
723
Distinct HCPCS
9
Medicare allowed
$66,615
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 197 | 72 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 196 | 67 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 187 | 37 | $83 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 40 | 20 | $125 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 36 | 23 | $151 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 18 | 16 | $102 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 17 | 17 | $190 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 17 | 16 | $37 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 15 | 11 | $69 |
In context: peer comparison
Among 27 peers in Duarte Hematology (Internal Medicine) Physician, average services per provider: 117. This provider delivers 6.2× the peer median.Open Payments
Industry payments received
All-time total
$1,409
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| National Marrow Donor Program | 3 | $1,201.00 | |
| Alexion Pharmaceuticals, INC. | 1 | $121.83 | |
| Novartis Pharmaceuticals Corporation | 2 | $55.48 | |
| Apellis Pharmaceuticals, INC. | 1 | $30.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
175
Patients
30
Total drug cost
$713,516
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Jakafi (Ruxolitinib Phosphate) | Brand | 52 | 0 | $707,790 |
| Prednisone | Generic | 39 | 18 | $389 |
| Acyclovir | Generic | 28 | 12 | $784 |
| Tacrolimus | Generic | 16 | 0 | $3,079 |
| Azithromycin | Generic | 14 | 0 | $145 |
| Dexamethasone | Generic | 14 | 0 | $1,053 |
| Hydroxyurea | Generic | 12 | 0 | $275 |
Frequently asked questions
What is Dr. Ryotaro Nakamura's medical specialty?
Dr. Ryotaro Nakamura practices Hematology (Internal Medicine) Physician in Duarte, CA.
Where does Dr. Ryotaro Nakamura practice?
Dr. Ryotaro Nakamura practices at 1500 E Duarte RD, Duarte, CA 91010. Office phone: 6263598111.
What is Dr. Ryotaro Nakamura's NPI?
Dr. Ryotaro Nakamura's National Provider Identifier (NPI) is 1629174552, issued by NPPES.
Does Dr. Ryotaro Nakamura accept Medicare assignment?
Yes. Dr. Ryotaro Nakamura accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryotaro Nakamura commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.