Doctor profile · Federal record
Dr. James Takayesu, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Boston, MA
- NPI 1528058336
- Accepts Medicare
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5 Emerson Place, MGH, Emergency Associates
Boston, MA 02114
(617) 726-5636
fax (617) 724-0917 - Mailing address
-
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Massachusetts #216475
- Medicaid
- MA #2004933
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528058336. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
568
Distinct HCPCS
10
Medicare allowed
$92,194
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 142 | 140 | $183 | |
99291 |
Critical care, first 30-74 minutes | 142 | 138 | $225 | |
99284 |
Emergency department visit with moderate level of medical decision making | 93 | 92 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 75 | 75 | $182 | |
99283 |
Emergency department visit with low level of medical decision making | 28 | 28 | $75 | |
93308 |
Ultrasound of heart, follow-up | 25 | 24 | $26 | |
99239 |
Hospital discharge day management, more than 30 minutes | 22 | 22 | $123 | |
99238 |
Hospital discharge day management, 30 minutes or less | 15 | 15 | $87 | |
76604 |
Ultrasound scan of chest | 13 | 13 | $29 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $138 |
In context: peer comparison
Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 8.7× the peer median.Frequently asked questions
What is Dr. James Takayesu's medical specialty?
Dr. James Takayesu practices Emergency Medicine Physician in Boston, MA.
Where does Dr. James Takayesu practice?
Dr. James Takayesu practices at 5 Emerson Place, MGH, Boston, MA 02114. Office phone: 6177265636.
What is Dr. James Takayesu's NPI?
Dr. James Takayesu's National Provider Identifier (NPI) is 1528058336, issued by NPPES.
Does Dr. James Takayesu accept Medicare assignment?
Yes. Dr. James Takayesu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Takayesu commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.