Are you William LON PETERSON Lancaster, PA-C? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1234 Napier Ave, Saint Joseph, MI 49085
About William Lancaster
Listed in the NPI registry as a physician assistant, William LON PETERSON Lancaster, PA-C practices in Saint Joseph, MI. NPI 1386531184 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (269) 983-8300
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1234 NAPIER AVE
Saint Joseph, MI 49085
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 8
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 — 21 related providers in 3 groups
Other physician assistants in Saint Joseph 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does William LON PETERSON Lancaster specialize in?
William LON PETERSON Lancaster is a physician assistant in Saint Joseph, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is William LON PETERSON Lancaster located?
William LON PETERSON Lancaster is listed at 1234 Napier Ave, Saint Joseph, MI 49085. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William LON PETERSON Lancaster's phone number?
The number on file is (269) 983-8300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William LON PETERSON Lancaster's NPI number?
William LON PETERSON Lancaster's National Provider Identifier is 1386531184. 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
Where did William LON PETERSON Lancaster train?
William LON PETERSON Lancaster attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How long has William LON PETERSON Lancaster been practicing?
William LON PETERSON Lancaster has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Has William LON PETERSON Lancaster confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William LON PETERSON Lancaster. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.