Doctor profile · Federal record

Dr. Douglas Do, M.D, M.P.H

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

  • NPI 1265732622
  • Accepts Medicare
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1190 Waianuenue Ave
Hilo, HI 967202089
(925) 487-8947

Credentials & registration

NPPES · NUCC
NPI registered
November 2010 — 16 yrs on file
Profile last updated
September 21, 2023
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Hawaii #MD16142 · California #A114741

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1265732622. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
318
Distinct HCPCS
5
Medicare allowed
$31,437
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 180 60 $80
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 64 28 $120
99239 Hospital discharge day management, more than 30 minutes 38 37 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 22 $175
99238 Hospital discharge day management, 30 minutes or less 14 14 $82

In context: peer comparison

Among 9 peers in Hilo Internal Medicine Physician, average services per provider: 128. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
93
Patients
82
Total drug cost
$1,703
Drug Type Claims Patients Total cost
Cefpodoxime Proxetil Generic 19 19 $659
Cefuroxime (Cefuroxime Axetil) Brand 16 16 $396
Pantoprazole Sodium Generic 13 13 $169
Prednisone Generic 12 12 $52
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $133
Atorvastatin Calcium Generic 11 11 $214
Furosemide Generic 11 0 $81

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Do's medical specialty?
Dr. Douglas Do practices Internal Medicine Physician in Hilo, HI.
Where does Dr. Douglas Do practice?
Dr. Douglas Do practices at 1190 Waianuenue Ave, Hilo, HI 967202089. Office phone: 9254878947.
What is Dr. Douglas Do's NPI?
Dr. Douglas Do's National Provider Identifier (NPI) is 1265732622, issued by NPPES.
Does Dr. Douglas Do accept Medicare assignment?
Yes. Dr. Douglas Do accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Do commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.