Doctor profile · Federal record
Dr. Luke Messac, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Boston, MA
- NPI 1679065197
- Accepts Medicare
- 8 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-5500 - Additional location
-
Corner of Route N12 and N7
Fort Defiance, AZ 865040649
(928) 729-8000
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- April 1, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Massachusetts #291239 · Rhode Island #LP04303
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679065197. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
247
Distinct HCPCS
7
Medicare allowed
$38,437
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 131 | 130 | $182 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 33 | 33 | $104 | |
99284 |
Emergency department visit with moderate level of medical decision making | 29 | 29 | $126 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $142 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 16 | 16 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 11 | 11 | $70 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $184 |
In context: peer comparison
Among 183 peers in Boston Emergency Medicine Physician, average services per provider: 65. This provider delivers 3.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Luke Messac's medical specialty?
Dr. Luke Messac practices Emergency Medicine Physician in Boston, MA.
Where does Dr. Luke Messac practice?
Dr. Luke Messac practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325500.
What is Dr. Luke Messac's NPI?
Dr. Luke Messac's National Provider Identifier (NPI) is 1679065197, issued by NPPES.
Does Dr. Luke Messac accept Medicare assignment?
Yes. Dr. Luke Messac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Luke Messac commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Established patient office or other outpatient visit (HCPCS 99214); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.