NATHAN H MULL IV LLC
NPI 1043722754
Internal Medicine - Pulmonary Disease in Lookout Mountain, TN
About Nathan H Mull Iv Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NATHAN H MULL IV LLC (NPI 1043722754) is a healthcare organization registered as a pulmonary disease in Lookout Mountain, Tennessee and active in the NPI registry since November 2017. The organization lists Nathan H Mull, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Nathan H Mull Iv Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Nathan H Mull IV LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Nathan H Mull IV LLC's NPI number?
The NPI number for Nathan H Mull IV LLC is 1043722754. It was assigned to this organization in the NPPES registry on November 3, 2017.
Where is Nathan H Mull IV LLC located?
Nathan H Mull IV LLC is located at 200 Sylvan Dr, Lookout Mountain, TN 37350. The listed phone number is (423) 821-3866.
What is Nathan H Mull IV LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Nathan H Mull IV LLC enrolled in Medicare?
Yes. Nathan H Mull IV LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Nathan H Mull IV LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Pulmonary Disease) reassigns their Medicare billing to Nathan H Mull IV LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Nathan H Mull IV LLC was last updated on November 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Nathan H Mull Iv Llc · NPI 1043722754
Pulmonary Disease organization in Lookout Mountain, Tennessee. Organization record, active in the CMS NPPES registry since November 3, 2017.
## Identity
- **NPI:** 1043722754 (Entity type: Organization)
- **Enumerated:** November 3, 2017
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **Organization subpart:** No
- **Authorized official:** Nathan Mull, OWNER
## Practice location
- **Address:** 200 SYLVAN DR, Lookout Mountain, TN 37350-1630
- **Phone:** (423) 821-3866
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Pulmonary Disease) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 3, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1043722754) · Data from the CMS NPPES public registry.