Doctor profile · Federal record
Dr. Theresa Oniffrey, PA-C
Physician Assistant · Medical Physician Assistant · Winston Salem, NC
- NPI 1164097572
- Accepts Medicare
- 6 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Medical Center Blvd
Winston Salem, NC 271570001
(336) 713-8570 - Mailing address
-
Medical Center Blvd
Winston Salem, NC 271570001
Credentials & registration
- NPI registered
- May 2021 — 5 yrs on file
- Profile last updated
- July 12, 2021
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- North Carolina #0010-10512
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164097572. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
71
Distinct HCPCS
2
Medicare allowed
$7,772
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 37 | 20 | $103 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 34 | 19 | $116 |
In context: peer comparison
Among 176 peers in Winston Salem Physician Assistant, average services per provider: 59. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
195
Patients
0
Total drug cost
$3,653
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 23 | 0 | $144 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 22 | 0 | $555 |
| Atorvastatin Calcium | Generic | 21 | 0 | $429 |
| Quetiapine Fumarate | Generic | 19 | 0 | $898 |
| Levothyroxine Sodium | Generic | 16 | 0 | $310 |
| Finasteride | Generic | 14 | 0 | $142 |
| Pantoprazole Sodium | Generic | 13 | 0 | $157 |
| Diclofenac Sodium | Generic | 12 | 0 | $396 |
| Lorazepam | Generic | 11 | 0 | $76 |
| Metoprolol Succinate | Generic | 11 | 0 | $146 |
Frequently asked questions
What is Dr. Theresa Oniffrey's medical specialty?
Dr. Theresa Oniffrey practices Physician Assistant in Winston Salem, NC.
Where does Dr. Theresa Oniffrey practice?
Dr. Theresa Oniffrey practices at 1 Medical Center Blvd, Winston Salem, NC 271570001. Office phone: 3367138570.
What is Dr. Theresa Oniffrey's NPI?
Dr. Theresa Oniffrey's National Provider Identifier (NPI) is 1164097572, issued by NPPES.
Does Dr. Theresa Oniffrey accept Medicare assignment?
Yes. Dr. Theresa Oniffrey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theresa Oniffrey commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.