Provider Profile
Erica Williams, PA-C
Unclaimed ProfileAbout Erica Williams
Listed in the NPI registry as a physician assistant, Erica Williams, PA-C practices in Mechanicsburg, PA. Medicare claims data shows Erica provided 149 services to 143 patients. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (814) 823-3900
- Email not available
Practice Locations
6481 CARLISLE PIKE
Mechanicsburg, PA 17050
Procedures Most Often Billed to Medicare
149 services · 143 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
39 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
34 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
28 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | Less often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
17 | Less often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
14 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other physician assistants in Mechanicsburg 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Erica Williams's specialty?
Erica Williams is a physician assistant in Mechanicsburg, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Erica Williams?
Erica Williams is listed at 6481 Carlisle Pike, Mechanicsburg, PA 17050. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Erica Williams?
The number on file is (814) 823-3900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Erica Williams?
Erica Williams's National Provider Identifier is 1225515315. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Erica Williams's education?
Erica Williams attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Erica Williams have?
Erica Williams has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What is Erica Williams known for?
According to Medicare billing data, Erica Williams the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Erica Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Erica Williams. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.