Doctor profile · Federal record
Dr. Rick Hayashi, MD
Nephrology Physician (CMS: Nephrology) · Honolulu, HI
- NPI 1922027572
- Accepts Medicare
- MIPS 82.2 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1520 Liliha St Ste 601
Honolulu, HI 968173564
(808) 523-0445
fax (808) 356-3380 - Additional location
-
98-211 Pali Momi St Ste 320
Aiea, HI 967014306
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 5, 2024
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Hawaii #MD-14540
- Medicaid
- HI #614017
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922027572. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,331
Distinct HCPCS
10
Medicare allowed
$186,158
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 461 | 89 | $115 | |
90970 |
Dialysis services, per day, less than full month service (20 years or older) | 255 | 25 | $10 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 144 | 117 | $130 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 127 | 110 | $178 | |
90966 |
Home dialysis services per month (20 years or older) | 124 | 17 | $298 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 96 | 92 | $358 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 33 | $93 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 20 | $80 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $175 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 17 | 16 | $299 |
In context: peer comparison
Among 16 peers in this city , average services per provider: 128. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$1,121
Transactions
49
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 4 | $207.68 | |
| Vifor Pharma, Inc. | 15 | $172.08 | |
| AstraZeneca Pharmaceuticals LP | 6 | $163.95 | |
| Lilly USA, LLC | 1 | $116.66 | |
| Travere Therapeutics, Inc. | 7 | $100.93 | |
| Amgen Inc. | 3 | $62.43 | |
| Ardelyx, Inc. | 3 | $61.81 | |
| Veloxis Pharmaceuticals, Inc. | 2 | $52.28 | |
| CALLIDITAS THERAPEUTICS US INC. | 2 | $42.69 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $31.85 | |
| Aurinia Pharma U.S., Inc. | 1 | $28.74 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $21.43 | |
| GlaxoSmithKline, LLC. | 1 | $20.95 | |
| Otsuka America Pharmaceutical, Inc. | 1 | $19.59 | |
| Kyowa Kirin, Inc. | 1 | $18.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,039
Patients
344
Total drug cost
$410,572
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Farxiga (Dapagliflozin Propanediol) | Brand | 122 | 37 | $145,717 |
| Allopurinol | Generic | 116 | 35 | $2,029 |
| Calcitriol | Generic | 93 | 27 | $2,598 |
| Losartan Potassium | Generic | 86 | 30 | $1,841 |
| Amlodipine Besylate | Generic | 76 | 25 | $938 |
| Chlorthalidone | Generic | 67 | 25 | $881 |
| Cinacalcet Hcl | Generic | 62 | 15 | $33,298 |
| Sevelamer Carbonate | Generic | 60 | 23 | $12,467 |
| Kerendia (Finerenone) | Brand | 57 | 23 | $96,457 |
| Furosemide | Generic | 56 | 22 | $671 |
Hospital affiliations
Frequently asked questions
What is Dr. Rick Hayashi's medical specialty?
Dr. Rick Hayashi practices Nephrology Physician in Honolulu, HI.
Where does Dr. Rick Hayashi practice?
Dr. Rick Hayashi practices at 1520 Liliha St Ste 601, Honolulu, HI 968173564. Office phone: 8085230445.
What is Dr. Rick Hayashi's NPI?
Dr. Rick Hayashi's National Provider Identifier (NPI) is 1922027572, issued by NPPES.
Does Dr. Rick Hayashi accept Medicare assignment?
Yes. Dr. Rick Hayashi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rick Hayashi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services (HCPCS 90970); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.