Doctor profile · Federal record
Dr. Korilyn Zachrison, M.D., M.Sc.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Boston, MA
- NPI 1396901914
- Accepts Medicare
- 18 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St, Department of Emergency Medicine
Boston, MA 021142621
(617) 426-6636
Credentials & registration
- NPI registered
- August 2008 — 18 yrs on file
- Profile last updated
- July 27, 2015
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- Massachusetts #258693 · Illinois #125054086 · Michigan #4301100223
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396901914. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
300
Distinct HCPCS
7
Medicare allowed
$49,672
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 98 | 97 | $182 | |
99291 |
Critical care, first 30-74 minutes | 69 | 69 | $225 | |
99284 |
Emergency department visit with moderate level of medical decision making | 50 | 49 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 36 | 36 | $184 | |
93308 |
Ultrasound of heart, follow-up | 18 | 18 | $26 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 15 | $123 | |
99283 |
Emergency department visit with low level of medical decision making | 14 | 14 | $75 |
In context: peer comparison
Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 4.6× the peer median.Frequently asked questions
What is Dr. Korilyn Zachrison's medical specialty?
Dr. Korilyn Zachrison practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Korilyn Zachrison practice?
Dr. Korilyn Zachrison practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6174266636.
What is Dr. Korilyn Zachrison's NPI?
Dr. Korilyn Zachrison's National Provider Identifier (NPI) is 1396901914, issued by NPPES.
Does Dr. Korilyn Zachrison accept Medicare assignment?
Yes. Dr. Korilyn Zachrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Korilyn Zachrison 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.