Doctor profile · Federal record
Dr. Kei Ouchi, MD, MPH
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Internal Medicine Physician · Internal Medicine Physician · Boston, MA
- NPI 1346559630
- Accepts Medicare
- 17 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-5640
Credentials & registration
- NPI registered
- October 2010 — 16 yrs on file
- Profile last updated
- November 18, 2021
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Massachusetts #257977 · New York #258871
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1346559630. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
201
Distinct HCPCS
6
Medicare allowed
$33,640
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 91 | 90 | $183 | |
99284 |
Emergency department visit with moderate level of medical decision making | 37 | 37 | $126 | |
99291 |
Critical care, first 30-74 minutes | 37 | 37 | $225 | |
93308 |
Ultrasound of heart, follow-up | 12 | 12 | $26 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 12 | 12 | $184 | |
99239 |
Hospital discharge day management, more than 30 minutes | 12 | 12 | $123 |
In context: peer comparison
Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 3.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Kei Ouchi's medical specialty?
Dr. Kei Ouchi practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Kei Ouchi practice?
Dr. Kei Ouchi practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325640.
What is Dr. Kei Ouchi's NPI?
Dr. Kei Ouchi's National Provider Identifier (NPI) is 1346559630, issued by NPPES.
Does Dr. Kei Ouchi accept Medicare assignment?
Yes. Dr. Kei Ouchi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kei Ouchi commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.