Greenville Health System
NPI 1033580444 · Emergency Medicine Physician · Seneca, SC
Greenville Health System is a Emergency Medicine Physician organization in Seneca, SC (NPI 1033580444).
Provider details
- NPI number
- 1033580444
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Riordan, President/Ceo(864) 797-7808
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Ghs Emergency Medicine-Oconee
Registry dates
- Enumerated
- 2015-10-12
- Last updated
- 2015-10-12
Frequently asked questions
- What is Greenville Health System's NPI number?
- Greenville Health System's National Provider Identifier (NPI) is 1033580444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greenville Health System?
- Greenville Health System is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Greenville Health System located?
- Greenville Health System's practice location on file with NPPES is 298 Memorial Dr, Seneca, SC 29672-9443.
- What is Greenville Health System's phone number?
- The practice phone number listed in the NPPES registry for Greenville Health System is (864) 885-7156.
- Who is the authorized official for Greenville Health System?
- The authorized official listed on Greenville Health System's NPPES record is Michael Riordan, President/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greenville Health System's NPI active?
- Yes — Greenville Health System's NPI (1033580444) is active in the NPPES registry as of the last update on 2015-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.