Doctor profile · Federal record
Dr. Natsumi Hamahata, MD
Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Student in an Organized Health Care Education/Training Program · Honolulu, HI
- NPI 1629507264
- Accepts Medicare
- MIPS 97.0 / 100 · 2023
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
888 S King St
Honolulu, HI 968133097
(808) 522-4000 - Additional location
-
200 Lothrop St
Pittsburgh, PA 152132536
(642) 647-3136 - Mailing address
-
3600 Forbes Ave Ste 140
Pittsburgh, PA 152133410
Credentials & registration
- NPI registered
- June 2017 — 9 yrs on file
- Profile last updated
- May 8, 2023
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State license (1)
- Hawaii #MD-21205
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629507264. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
92
Distinct HCPCS
2
Medicare allowed
$17,203
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 70 | 35 | $212 | |
99292 |
Critical care, each additional 30 minutes | 22 | 16 | $107 |
In context: peer comparison
Among 9 peers in Honolulu Critical Care Medicine (Internal Medicine) Physician, average services per provider: 63. This provider delivers 1.5× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Natsumi Hamahata's medical specialty?
Dr. Natsumi Hamahata practices Critical Care Medicine (Internal Medicine) Physician in Honolulu, HI.
Where does Dr. Natsumi Hamahata practice?
Dr. Natsumi Hamahata practices at 888 S King St, Honolulu, HI 968133097. Office phone: 8085224000.
What is Dr. Natsumi Hamahata's NPI?
Dr. Natsumi Hamahata's National Provider Identifier (NPI) is 1629507264, issued by NPPES.
Does Dr. Natsumi Hamahata accept Medicare assignment?
Yes. Dr. Natsumi Hamahata accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natsumi Hamahata commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.