Doctor profile · Federal record
Dr. Justin Chapman, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Worcester, MA
- NPI 1760643522
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Lake Ave N
Worcester, MA 016550002
(508) 421-1400
fax (508) 421-1490 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- November 12, 2020
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Massachusetts #273954
- Medicaid (2)
- MA #110083207A · MA #110083207B
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1760643522. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
243
Distinct HCPCS
4
Medicare allowed
$37,009
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 102 | 102 | $122 | |
99285 |
Emergency department visit with high level of medical decision making | 99 | 97 | $178 | |
99291 |
Critical care, first 30-74 minutes | 27 | 27 | $216 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $73 |
In context: peer comparison
Among 82 peers in Worcester Emergency Medicine Physician, average services per provider: 70. This provider delivers 3.5× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Justin Chapman's medical specialty?
Dr. Justin Chapman practices Emergency Medicine Physician in Worcester, MA.
Where does Dr. Justin Chapman practice?
Dr. Justin Chapman practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5084211400.
What is Dr. Justin Chapman's NPI?
Dr. Justin Chapman's National Provider Identifier (NPI) is 1760643522, issued by NPPES.
Does Dr. Justin Chapman accept Medicare assignment?
Yes. Dr. Justin Chapman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Chapman commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.