Clay Marsh, MD
NPI 1134232762 · Pulmonary Disease Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clay Marsh, MD is a Pulmonary Disease Physician provider in Columbus, OH (NPI 1134232762).
Provider details
- NPI number
- 1134232762
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35058232 (OH)
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 tenure38% of score
19 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
- 2006-08-17
- Last updated
- 2021-07-14
- Certified
- 2021-07-14
Frequently asked questions
- What is Clay Marsh's NPI number?
- Clay Marsh's National Provider Identifier (NPI) is 1134232762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clay Marsh's specialty?
- Clay Marsh is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Clay Marsh located?
- Clay Marsh's practice location on file with NPPES is 2050 Kenny Rd, Columbus, OH 43221-3502.
- What is Clay Marsh's phone number?
- The practice phone number listed in the NPPES registry for Clay Marsh is (614) 293-4925.
- Does Clay Marsh accept Medicare?
- Clay Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clay Marsh's NPI active?
- Yes — Clay Marsh's NPI (1134232762) is active in the NPPES registry as of the last update on 2021-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.