Doctor profile · Federal record
Dr. Erica Williams, PA-C
Physician Assistant · Mechanicsburg, PA
- NPI 1225515315
- Accepts Medicare
- MIPS 82.5 / 100 · 2023
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6481 Carlisle Pike
Mechanicsburg, PA 170502377
(814) 823-3900 - Mailing address
-
6440 Downhill Dr
Erie, PA 165051066
Credentials & registration
- NPI registered
- July 2018 — 8 yrs on file
- Profile last updated
- January 23, 2021
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Pennsylvania #MA059757
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225515315. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
190
Distinct HCPCS
6
Medicare allowed
$18,209
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 54 | 54 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 43 | 43 | $105 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 42 | 42 | $147 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 20 | 20 | $50 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 17 | $77 | |
81003 |
Automated urinalysis test | 14 | 14 | $2 |
In context: peer comparison
Among 14 peers in Mechanicsburg Physician Assistant, average services per provider: 37. This provider delivers 5.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
178
Patients
164
Total drug cost
$1,390
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 49 | 48 | $174 |
| Amoxicillin | Generic | 39 | 38 | $163 |
| Azithromycin | Generic | 34 | 34 | $184 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 16 | 15 | $528 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 16 | 16 | $174 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 13 | 13 | $108 |
| Cephalexin | Generic | 11 | 0 | $59 |
Frequently asked questions
What is Dr. Erica Williams's medical specialty?
Dr. Erica Williams practices Physician Assistant in Mechanicsburg, PA.
Where does Dr. Erica Williams practice?
Dr. Erica Williams practices at 6481 Carlisle Pike, Mechanicsburg, PA 170502377. Office phone: 8148233900.
What is Dr. Erica Williams's NPI?
Dr. Erica Williams's National Provider Identifier (NPI) is 1225515315, issued by NPPES.
Does Dr. Erica Williams accept Medicare assignment?
Yes. Dr. Erica Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erica Williams commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.