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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

SILAS GREATHOUSE
NPI 1083522825
Physician Assistant in Mishawaka, IN

Active since September 01, 2026
5125 HOLY CROSS PKWY, MISHAWAKA, IN 46545(574) 335-5000 Get Directions Write a Review

NPPES record added: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Silas Greathouse NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SILAS GREATHOUSE (NPI 1083522825) is an individual physician assistant in Mishawaka, Indiana and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1083522825
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameSILAS GREATHOUSE
Location Address5125 HOLY CROSS PKWYMishawaka, IN 46545
Mailing Address223 Roosevelt AveMishawaka, IN 46544-3349
Phone(574) 335-5000
Sole ProprietorNo
Enumeration DateSeptember 1, 2026
NPPES CertifiedAugust 28, 2026
✔ NPI 1083522825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
5125 HOLY CROSS PKWY, Mishawaka, IN 46545
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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BETHANN PRADNY AGAC-NP BC
Nurse Practitioner (Acute Care)
5125 HOLY CROSS PKWY
MISHAWAKA, IN 46545
St. Joseph County (574) 335-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Silas Greathouse's NPI number?

The NPI number for Silas Greathouse is 1083522825. It was assigned to this individual provider in the NPPES registry on September 1, 2026.

Where is Silas Greathouse located?

Silas Greathouse practices at 5125 Holy Cross Pkwy, Mishawaka, IN 46545. The listed phone number is (574) 335-5000.

What is Silas Greathouse's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Silas Greathouse was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.