Eric Gruenberger, MD
NPI 1174975734 · General Practice Physician · Columbia, SC
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Gruenberger, MD is a General Practice Physician provider in Columbia, SC (NPI 1174975734).
Provider details
- NPI number
- 1174975734
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 94207 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Registry dates
- Enumerated
- 2016-07-07
- Last updated
- 2025-11-13
- Certified
- 2025-11-13
Frequently asked questions
- What is Eric Gruenberger's NPI number?
- Eric Gruenberger's National Provider Identifier (NPI) is 1174975734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Gruenberger's specialty?
- Eric Gruenberger is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Gruenberger located?
- Eric Gruenberger's practice location on file with NPPES is 232 Bent Holly Dr, Columbia, SC 29209.
- What is Eric Gruenberger's phone number?
- The practice phone number listed in the NPPES registry for Eric Gruenberger is (443) 812-5989.
- Does Eric Gruenberger accept Medicare?
- Eric Gruenberger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Gruenberger's NPI active?
- Yes — Eric Gruenberger's NPI (1174975734) is active in the NPPES registry as of the last update on 2025-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.