Ross Marnock, DO
NPI 1154165488 · Family Medicine Physician · Charleston, SC
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ross Marnock, DO is a Family Medicine Physician provider in Charleston, SC (NPI 1154165488).
Provider details
- NPI number
- 1154165488
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- LL92472 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$115 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-06-21
- Last updated
- 2025-12-08
- Certified
- 2025-12-08
Frequently asked questions
- What is Ross Marnock's NPI number?
- Ross Marnock's National Provider Identifier (NPI) is 1154165488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ross Marnock's specialty?
- Ross Marnock is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ross Marnock located?
- Ross Marnock's practice location on file with NPPES is 650 Ellis Oak Dr, Charleston, SC 29412-3089.
- What is Ross Marnock's phone number?
- The practice phone number listed in the NPPES registry for Ross Marnock is (843) 876-7080.
- Does Ross Marnock accept Medicare?
- Ross Marnock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ross Marnock's NPI active?
- Yes — Ross Marnock's NPI (1154165488) is active in the NPPES registry as of the last update on 2025-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.