Doctor profile · Federal record
Dr. Dawn Williamson, M.D.
Internal Medicine Physician · Emergency Medicine Physician · Long Beach, NY
- NPI 1073592549
- MIPS 71.3 / 100 · 2023
- 20 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
455 E Bay Dr
Long Beach, NY 115612301
(516) 897-1100
fax (516) 897-1106 - Mailing address
-
2 Astro Pl
Dix Hills, NY 117465707
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #190633
- Medicaid
- NY #01604993
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073592549. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
131
Distinct HCPCS
4
Medicare allowed
$23,980
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 73 | 71 | $204 | |
99284 |
Emergency department visit with moderate level of medical decision making | 29 | 28 | $143 | |
99291 |
Critical care, first 30-74 minutes | 15 | 15 | $251 | |
99283 |
Emergency department visit with low level of medical decision making | 14 | 14 | $86 |
In context: peer comparison
Among 1 peers in Long Beach Internal Medicine Physician, average services per provider: 32. This provider delivers 4.1× the peer median.Frequently asked questions
What is Dr. Dawn Williamson's medical specialty?
Dr. Dawn Williamson practices Internal Medicine Physician in Long Beach, NY.
Where does Dr. Dawn Williamson practice?
Dr. Dawn Williamson practices at 455 E Bay Dr, Long Beach, NY 115612301. Office phone: 5168971100.
What is Dr. Dawn Williamson's NPI?
Dr. Dawn Williamson's National Provider Identifier (NPI) is 1073592549, issued by NPPES.
What procedures does Dr. Dawn Williamson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.