Doctor profile · Federal record
Dr. Christopher Hashikawa, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Nantucket, MA
- NPI 1770688160
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
57 Prospect St
Nantucket, MA 02554
(508) 825-8100
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- November 16, 2023
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Massachusetts #230234
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770688160. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
430
Distinct HCPCS
4
Medicare allowed
$71,361
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 268 | 262 | $176 | |
99292 |
Critical care, each additional 30 minutes | 63 | 23 | $107 | |
99291 |
Critical care, first 30-74 minutes | 59 | 58 | $214 | |
99284 |
Emergency department visit with moderate level of medical decision making | 40 | 40 | $121 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 77. This provider delivers 5.6× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Christopher Hashikawa's medical specialty?
Dr. Christopher Hashikawa practices Emergency Medicine Physician in Nantucket, MA.
Where does Dr. Christopher Hashikawa practice?
Dr. Christopher Hashikawa practices at 57 Prospect St, Nantucket, MA 02554. Office phone: 5088258100.
What is Dr. Christopher Hashikawa's NPI?
Dr. Christopher Hashikawa's National Provider Identifier (NPI) is 1770688160, issued by NPPES.
Does Dr. Christopher Hashikawa accept Medicare assignment?
Yes. Dr. Christopher Hashikawa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Hashikawa commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99292); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.