Mark Clay, M.D.
NPI 1417004136 · Pediatric Cardiology Physician · Nashville, TN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Clay, M.D. is a Pediatric Cardiology Physician provider in Nashville, TN (NPI 1417004136).
Provider details
- NPI number
- 1417004136
- Entity type
- Individual
- Primary specialty
- Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- N6842 (TX)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 7777 Forest Ln Ste C300jDallas, TX 75230-2604Phone: (972) 566-2043
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2022-01-04
- Certified
- 2021-01-04
Frequently asked questions
- What is Mark Clay's NPI number?
- Mark Clay's National Provider Identifier (NPI) is 1417004136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Clay's specialty?
- Mark Clay is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Clay located?
- Mark Clay's practice location on file with NPPES is 3601 Tvc, Nashville, TN 37232-0001.
- What is Mark Clay's phone number?
- The practice phone number listed in the NPPES registry for Mark Clay is (615) 322-3000.
- Does Mark Clay accept Medicare?
- Mark Clay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Clay's NPI active?
- Yes — Mark Clay's NPI (1417004136) is active in the NPPES registry as of the last update on 2022-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.