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DOUGLAS FRANZ
NPI 1326485566
Internal Medicine - Nephrology in Chattanooga, TN

Active since May 29, 2013PECOS EnrolledAccepts Medicare Assignment
251 N LYERLY ST STE 100, CHATTANOOGA, TN 37404(423) 826-8000(423) 826-8005 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Douglas Franz NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DOUGLAS FRANZ (NPI 1326485566) is an individual nephrology provider in Chattanooga, Tennessee, licensed in Tennessee (75917) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Erlanger Medical Center, and is a graduate of University Of Nebraska College Of Medicine (2013).

NPPES Registry Identity

NPI1326485566
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDOUGLAS FRANZ
Location Address251 N LYERLY ST STE 100Chattanooga, TN 37404-2743
Mailing Address251 N Lyerly St Ste 100Chattanooga, TN 37404-2743 · (423) 826-8000 · Fax (423) 826-8005
Phone(423) 826-8000
Fax(423) 826-8005
Sole ProprietorNo
Medical School CMSUniversity Of Nebraska College Of MedicineGraduated 2013
Enumeration DateMay 29, 2013
Last NPPES UpdateDecember 8, 2025
NPPES CertifiedDecember 8, 2025
✔ NPI 1326485566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in TN · 75917
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
251 N LYERLY ST STE 100, Chattanooga, TN 37404
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Douglas Franz is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628201076
PECOS Enrollment IDI20250925001322
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Douglas Franz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yium, Shenouda & Miller Ptrshp
Same address
Specialist
251 N LYERLY ST STE 100
Chattanooga, TN 37404
  • Reassigned Medicare billing, Tennessee enrollment
  • 49 clinicians in this Medicare group
NPI 1972548089 (423) 826-8000
Unmc Physicians
733 mi
Multi-Specialty
988102 NEBRASKA MEDICAL CTR
Omaha, NE 68198
  • Reassigned Medicare billing, Nebraska enrollment
  • 2,154 clinicians in this Medicare group
NPI 1417912114 (402) 552-3739

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Erlanger Medical Center

Acute Care Hospitals · Chattanooga, TN
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number440104
Location975 E 3rd StChattanooga, TN 37403 · Hamilton County
Emergency services Birthing friendly

Tennova Health Care-Cleveland

Acute Care Hospitals · Cleveland, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440185
Location2305 Chambliss Ave NWCleveland, TN 37311 · Bradley County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$121.80 typical visit price
range $52.64 – $160.89
Typical copayment $30.45 (range $13.16 – $40.22)
Most-billed visit code 99204
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. KIMBERLY DAWN FERGUSON NP-C
Nurse Practitioner (Family)
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000
NATHAN E CHAMBERLAIN M.D.
Internal Medicine (Nephrology)
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000
SHANNON D MCSHAN APRN
Nurse Practitioner (Family)
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000
LAURA BAILEY FRANKLIN PA-C
Physician Assistant
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000
CHRISTOPHER MESHBERGER M.D.
Internal Medicine (Nephrology)
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000
MRS. COURTNEY BRACKBILL WAMPLER
Nurse Practitioner (Family)
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000
CATHERINE GRACE MEDLEY FNP-C
Nurse Practitioner (Family)
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000
ASHLEY BABB TRANTHAM NP-C
Nurse Practitioner (Family)
251 N LYERLY ST STE 100
CHATTANOOGA, TN 37404
Hamilton County (423) 826-8000

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 Douglas Franz's NPI number?

The NPI number for Douglas Franz is 1326485566. It was assigned to this individual provider in the NPPES registry on May 29, 2013.

Where is Douglas Franz located?

Douglas Franz practices at 251 N Lyerly St Ste 100, Chattanooga, TN 37404. The listed phone number is (423) 826-8000.

What is Douglas Franz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Douglas Franz enrolled in Medicare?

Yes. Douglas Franz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Douglas Franz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Franz reassigns Medicare benefits to 2 organizations: Yium, Shenouda & Miller Ptrshp (Chattanooga, TN) and Unmc Physicians (Omaha, NE). Each 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 Douglas Franz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Douglas Franz accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee and 3 other insurers list Douglas Franz 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.

Is Douglas Franz affiliated with any hospitals?

According to CMS data, Douglas Franz is affiliated with Erlanger Medical Center and Tennova Health Care-Cleveland.

When was this NPI record last updated?

The NPPES record for Douglas Franz was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.