Doctor profile · Federal record
Dr. Justin Larson, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Stony Brook, NY
- NPI 1952833816
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 Nicolls RD
Stony Brook, NY 117940001
(631) 689-8333
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- August 11, 2020
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Illinois #036150740 · Indiana #01083756A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952833816. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
603
Distinct HCPCS
5
Medicare allowed
$82,591
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 354 | 345 | $172 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 89 | 83 | $8 | |
99284 |
Emergency department visit with moderate level of medical decision making | 86 | 85 | $117 | |
99291 |
Critical care, first 30-74 minutes | 45 | 45 | $203 | |
99283 |
Emergency department visit with low level of medical decision making | 29 | 29 | $66 |
In context: peer comparison
Among 35 peers in Stony Brook Emergency Medicine Physician, average services per provider: 105. This provider delivers 5.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
124
Patients
124
Total drug cost
$758
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 25 | 25 | $264 |
| Prednisone | Generic | 23 | 23 | $45 |
| Ibuprofen | Generic | 20 | 20 | $49 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 15 | $212 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 15 | 15 | $84 |
| Ondansetron Odt (Ondansetron) | Brand | 15 | 15 | $73 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 11 | 11 | $32 |
Hospital affiliations
Frequently asked questions
What is Dr. Justin Larson's medical specialty?
Dr. Justin Larson practices Emergency Medicine Physician in Stony Brook, NY.
Where does Dr. Justin Larson practice?
Dr. Justin Larson practices at 101 Nicolls RD, Stony Brook, NY 117940001. Office phone: 6316898333.
What is Dr. Justin Larson's NPI?
Dr. Justin Larson's National Provider Identifier (NPI) is 1952833816, issued by NPPES.
Does Dr. Justin Larson accept Medicare assignment?
Yes. Dr. Justin Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Larson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.