MICHAEL C. DIAZ, MD
NPI 1124438601
Internal Medicine - Gastroenterology in Hendersonville, TN
About Michael C. Diaz, Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL C. DIAZ, MD (NPI 1124438601) is a healthcare organization registered as a gastroenterology in Hendersonville, Tennessee and active in the NPI registry since May 2014. The organization lists Charlotte Lawrence, Secretary, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Michael C. Diaz, Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
110Medicare enrollment records show 110 clinicians reassign Medicare billing to Michael C. Diaz, MD, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 26 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 23
Nearest to this location (20)
See all 110Hendersonville, TN 37075
Hendersonville, TN 37075
Hendersonville, TN 37075
Hendersonville, TN 37075
Hendersonville, TN 37075
Hendersonville, TN 37075
Hendersonville, TN 37075
Hendersonville, TN 37075
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 Sumner Physician Practices LLC's NPI number?
The NPI number for Sumner Physician Practices LLC is 1124438601. It was assigned to this organization in the NPPES registry on May 5, 2014. The provider is doing business as Michael C. Diaz, MD.
Where is Sumner Physician Practices LLC located?
Sumner Physician Practices LLC is located at 105 Glen Oak Blvd Suite 200, Hendersonville, TN 37075. The listed phone number is (615) 822-6716.
What is Sumner Physician Practices LLC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Sumner Physician Practices LLC enrolled in Medicare?
Yes. Sumner Physician Practices LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sumner Physician Practices LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 110 clinicians in 23 Medicare specialties reassign their Medicare billing to Sumner Physician Practices 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. The largest specialties are Nurse Practitioner (31), Family Practice (25) and Obstetrics/Gynecology (7). Of these, 3 practice at this address and 26 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Sumner Physician Practices LLC accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Sumner Physician Practices LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sumner Physician Practices LLC was last updated on October 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Michael C. Diaz, Md · NPI 1124438601
Gastroenterology organization in Hendersonville, Tennessee. Organization record, active in the CMS NPPES registry since May 5, 2014.
## Identity
- **NPI:** 1124438601 (Entity type: Organization)
- **Enumerated:** May 5, 2014
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Legal business name:** Sumner Physician Practices Llc
- **Organization subpart:** No
- **Authorized official:** Charlotte Lawrence, SECRETARY
## Practice location
- **Address:** 105 GLEN OAK BLVD, SUITE 200, Hendersonville, TN 37075-6424
- **Phone:** (615) 822-6716 · **Fax:** (615) 822-9805
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 110 clinicians in 23 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (31), Family Practice (25), Obstetrics/Gynecology (7); 3 practice at this address and 26 within 10 miles; [full list](https://npiprofile.com/npi/1124438601/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 13, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1124438601) · Data from the CMS NPPES public registry.