Doctor profile · Federal record
Dr. Justus Guerrieri, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Northampton, MA
- NPI 1386900975
- Accepts Medicare
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
30 Locust St
Northampton, MA 010602052
(413) 582-2363
fax (413) 582-2914
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- June 16, 2021
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Massachusetts #263111
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386900975. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
223
Distinct HCPCS
5
Medicare allowed
$34,192
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 74 | 72 | $125 | |
99291 |
Critical care, first 30-74 minutes | 57 | 57 | $221 | |
99285 |
Emergency department visit with high level of medical decision making | 45 | 45 | $182 | |
99283 |
Emergency department visit with low level of medical decision making | 27 | 27 | $74 | |
99292 |
Critical care, each additional 30 minutes | 20 | 18 | $111 |
In context: peer comparison
Among 10 peers in Northampton Emergency Medicine Physician, average services per provider: 90. This provider delivers 2.5× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Csl Behring | 1 | $20.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
142
Patients
139
Total drug cost
$816
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cyclobenzaprine Hcl | Generic | 33 | 32 | $128 |
| Gabapentin | Generic | 33 | 32 | $171 |
| Naproxen | Generic | 24 | 24 | $157 |
| Hydromorphone Hcl | Generic | 15 | 14 | $30 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 14 | $158 |
| Ondansetron Hcl | Generic | 12 | 12 | $138 |
| Prednisone | Generic | 11 | 11 | $34 |
Hospital affiliations
Frequently asked questions
What is Dr. Justus Guerrieri's medical specialty?
Dr. Justus Guerrieri practices Emergency Medicine Physician in Northampton, MA.
Where does Dr. Justus Guerrieri practice?
Dr. Justus Guerrieri practices at 30 Locust St, Northampton, MA 010602052. Office phone: 4135822363.
What is Dr. Justus Guerrieri's NPI?
Dr. Justus Guerrieri's National Provider Identifier (NPI) is 1386900975, issued by NPPES.
Does Dr. Justus Guerrieri accept Medicare assignment?
Yes. Dr. Justus Guerrieri accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justus Guerrieri commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.