Doctor profile · Federal record

Dr. Richard Ridao, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Honolulu, HI

  • NPI 1730122060
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1451 S King St, Ste 309
Honolulu, HI 968142506
(808) 593-2155
fax (808) 593-2156

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 22, 2013
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Hawaii #6904

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730122060. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,103
Distinct HCPCS
9
Medicare allowed
$77,181
HCPCS Description Services Patients Avg allowed
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 283 26 $51
99458 Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes 243 25 $41
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 240 26 $56
99213 Established patient office or other outpatient visit, 20-29 minutes 129 44 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 119 33 $135
93923 Complete ultrasound study of arm and leg arteries 24 19 $125
95921 Testing of autonomic nervous system function and heart rate response to deep breathing 23 19 $78
95923 Testing of autonomic (sympathetic) nervous system function 23 19 $114
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $176

In context: peer comparison

Among 114 peers in Honolulu Internal Medicine Physician, average services per provider: 127. This provider delivers 8.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$66
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 2 $42.46
Idorsia Pharmaceuticals US INC 1 $24.00

By nature of payment

Food and Beverage
$47
Education
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,163
Patients
408
Total drug cost
$29,117
Drug Type Claims Patients Total cost
Losartan Potassium Generic 266 78 $6,992
Atorvastatin Calcium Generic 169 52 $5,599
Amlodipine Besylate Generic 138 42 $1,808
Simvastatin Generic 90 28 $1,853
Lisinopril Generic 61 18 $726
Levothyroxine Sodium Generic 55 18 $771
Metformin Hcl Generic 48 12 $792
Metoprolol Succinate Generic 48 18 $1,867
Rosuvastatin Calcium Generic 48 22 $3,729
Hydrochlorothiazide Generic 44 14 $291

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Ridao's medical specialty?
Dr. Richard Ridao practices Internal Medicine Physician in Honolulu, HI.
Where does Dr. Richard Ridao practice?
Dr. Richard Ridao practices at 1451 S King St, Honolulu, HI 968142506. Office phone: 8085932155.
What is Dr. Richard Ridao's NPI?
Dr. Richard Ridao's National Provider Identifier (NPI) is 1730122060, issued by NPPES.
Does Dr. Richard Ridao accept Medicare assignment?
Dr. Richard Ridao does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Richard Ridao commonly perform?
Top Medicare-reported procedures in 2023: Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Management using the results of remote vital sign monitoring per calendar month (HCPCS 99458); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454). Source: CMS Medicare Physician & Other Practitioners file.