Doctor profile · Federal record
Dr. Alyssa Johnson, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Manhasset, NY
- NPI 1720510274
- Accepts Medicare
- MIPS 85.0 / 100 · 2023
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
300 Community Dr
Manhasset, NY 110303816
(516) 470-7873
fax (718) 470-9113
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- January 13, 2021
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- New York #304197
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1720510274. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
438
Distinct HCPCS
6
Medicare allowed
$78,218
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 244 | 232 | $204 | |
99284 |
Emergency department visit with moderate level of medical decision making | 125 | 110 | $139 | |
99291 |
Critical care, first 30-74 minutes | 25 | 25 | $241 | |
99283 |
Emergency department visit with low level of medical decision making | 16 | 15 | $84 | |
99292 |
Critical care, each additional 30 minutes | 15 | 13 | $115 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $154 |
In context: peer comparison
Among 35 peers in Manhasset Emergency Medicine Physician, average services per provider: 100. This provider delivers 4.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
85
Patients
82
Total drug cost
$1,669
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 20 | 20 | $92 |
| Cefpodoxime Proxetil | Generic | 19 | 19 | $1,224 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 16 | 15 | $151 |
| Ciprofloxacin Hcl | Generic | 16 | 15 | $96 |
| Metronidazole | Generic | 14 | 13 | $107 |
Hospital affiliations
Frequently asked questions
What is Dr. Alyssa Johnson's medical specialty?
Dr. Alyssa Johnson practices Emergency Medicine Physician in Manhasset, NY.
Where does Dr. Alyssa Johnson practice?
Dr. Alyssa Johnson practices at 300 Community Dr, Manhasset, NY 110303816. Office phone: 5164707873.
What is Dr. Alyssa Johnson's NPI?
Dr. Alyssa Johnson's National Provider Identifier (NPI) is 1720510274, issued by NPPES.
Does Dr. Alyssa Johnson accept Medicare assignment?
Yes. Dr. Alyssa Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alyssa Johnson 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.