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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LELAND SAGE DUDDLESTON III M.D.
NPI 1912059833
Internal Medicine in Dalton, GA

Active since January 18, 2007Opted out of Medicare · through Jul 1, 2028
1000 RIVERBURCH PKWY, DALTON, GA 30721(706) 226-2273(706) 217-6543 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Dr. Leland Sage Duddleston Iii M.d. NPPES

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

DR. LELAND SAGE DUDDLESTON III M.D. (NPI 1912059833) is an individual internal medicine provider in Dalton, Georgia, licensed in Georgia (033073) and active in the NPI registry since January 2007. He has opted out of Medicare through July 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1912059833
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. LELAND SAGE DUDDLESTON IIICredential: M.D.
Location Address1000 RIVERBURCH PKWYDalton, GA 30721-8630
Mailing Address1000 Riverburch PkwyDalton, GA 30721-8630 · (706) 226-2273 · Fax (706) 217-6543
Phone(706) 226-2273
Fax(706) 217-6543
Sole ProprietorNo
Enumeration DateJanuary 18, 2007
Last NPPES UpdateSeptember 11, 2026
NPPES CertifiedSeptember 11, 2026
✔ NPI 1912059833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in GA · 033073
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1000 RIVERBURCH PKWY, Dalton, GA 30721
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Dr. Leland Sage Duddleston Iii M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2012 through July 1, 2028.

Opt-Out Effective DateJuly 1, 2012
Opt-Out In Effect ThroughJuly 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30721 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
$124.10 typical visit price
range $53.31 – $164.04
Typical copayment $31.02 (range $13.32 – $41.01)
Most-billed visit code 99204
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
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 2

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

DR. MURRAH LENTON WATSON JR. M.D.
Specialist
1000 RIVERBURCH PKWY
DALTON, GA 30721
Whitfield County (706) 226-2273
PRIORITY CARE, INC
Family Medicine
1000 RIVERBURCH PKWY
DALTON, GA 30721
Whitfield County (706) 226-2273

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 Leland Duddleston's NPI number?

The NPI number for Leland Duddleston is 1912059833. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is Leland Duddleston located?

Leland Duddleston practices at 1000 Riverburch Pkwy, Dalton, GA 30721. The listed phone number is (706) 226-2273.

What is Leland Duddleston's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Leland Duddleston enrolled in Medicare?

No. Leland Duddleston has opted out of Medicare through July 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

What insurance does Leland Duddleston accept?

Health plans from Alliant Health Plans, Inc. list Leland Duddleston 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 Leland Duddleston was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days 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.