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Pathology

Gregory Olsen

Works at hospitals in Easley, SC · Greenville, SC · Greer, SC … · South Carolina

Summary

Gregory Olsen (Pathology) is listed by Medicare at 5 hospitals in Easley, SC, Greenville, SC and Greer, SC and other places. NPI 1922460955. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Gregory Olsen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
Medical College Of Georgia School Of MedicineMedical school
MaleGender (as listed)
Pathology Associates of GreenvilleGroup practice

Quick answers

Which hospitals does Gregory Olsen work at?
Medicare's official clinician data lists Gregory Olsen at 5 hospitals: Prisma Health Baptist Easley Hospital, Prisma Health Greenville Memorial Hospital, Prisma Health Greer Memorial Hospital, Prisma Health Hillcrest Hospital and Prisma Health Oconee Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Gregory Olsen see patients?
Medicare's clinician data lists 1 practice location in Greenville, SC. Call before your visit to confirm the address.
What is Gregory Olsen's specialty?
Medicare lists Pathology as the primary specialty.
Does Gregory Olsen accept Medicare assignment?
Yes. Medicare's clinician data says Gregory Olsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Gregory Olsen?
(864) 295-3492, as listed in official Medicare / NPI Registry data.
What is Gregory Olsen's NPI number?
1922460955. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Gregory Olsen works

Medicare's Facility Affiliation Data lists Gregory Olsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Gregory Olsen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gregory Olsen as a member of this group (CMS data updated 2026-10-02).

  • Pathology Associates of Greenville32 clinicians in the group

Specialties

Find other Pathology doctors in South Carolina →

Other pathologists in Greenville

Clinicians with the same Medicare primary specialty in Greenville, SC — not a recommendation.

All pathologists in Greenville →

Clinician information

Medical schoolMedical College Of Georgia School Of Medicine
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922460955
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians