Doctor profile · Federal record
Dr. Royal Johnson, M.D.
Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Hilo, HI
- NPI 1659446037
- Accepts Medicare
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
944 W Kawailani St
Hilo, HI 967203218
(808) 959-9151
fax (808) 522-4345 - Mailing address
-
Po Box 2153 Dept 40339
Birmingham, AL 352879387
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 21, 2022
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- Hawaii #MD-6183
- Medicaid
- HI #059564 01
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659446037. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
957
Distinct HCPCS
3
Medicare allowed
$84,988
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 671 | 145 | $76 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 190 | 101 | $109 | |
99305 |
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 96 | 90 | $136 |
In context: peer comparison
Among 1 peers in Hilo Geriatric Medicine (Internal Medicine) Physician, average services per provider: 319. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$29
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Neurocrine Biosciences, INC. | 1 | $29.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,653
Patients
516
Total drug cost
$59,887
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 494 | 57 | $7,900 |
| Furosemide | Generic | 387 | 46 | $3,217 |
| Lorazepam | Generic | 359 | 63 | $3,771 |
| Escitalopram Oxalate | Generic | 333 | 38 | $9,588 |
| Gabapentin | Generic | 305 | 39 | $5,746 |
| Trazodone Hcl | Generic | 214 | 29 | $2,366 |
| Levothyroxine Sodium | Generic | 189 | 24 | $2,580 |
| Mirtazapine | Generic | 189 | 32 | $4,844 |
| Atorvastatin Calcium | Generic | 184 | 27 | $3,098 |
| Tramadol Hcl | Generic | 183 | 35 | $1,764 |
Hospital affiliations
Frequently asked questions
What is Dr. Royal Johnson's medical specialty?
Dr. Royal Johnson practices Geriatric Medicine (Internal Medicine) Physician in Hilo, HI.
Where does Dr. Royal Johnson practice?
Dr. Royal Johnson practices at 944 W Kawailani St, Hilo, HI 967203218. Office phone: 8089599151.
What is Dr. Royal Johnson's NPI?
Dr. Royal Johnson's National Provider Identifier (NPI) is 1659446037, issued by NPPES.
Does Dr. Royal Johnson accept Medicare assignment?
Yes. Dr. Royal Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Royal Johnson commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Initial nursing facility care with moderate level of medical decision making (HCPCS 99305). Source: CMS Medicare Physician & Other Practitioners file.