1. Home
  2. Directory
  3. Georgia
  4. Lawrenceville
  5. Internal Medicine
  6. NPI Profile

DR. ANTHONY M LANDIS D.O.
NPI 1821187436
Internal Medicine - Hematology & Oncology in Lawrenceville, GA

Active since October 12, 2006PECOS Enrolled
631 PROFESSIONAL DRIVE, SUITE 450, LAWRENCEVILLE, GA 30046(770) 963-8030(770) 339-9577 Get Directions Write a Review

NPPES record last updated: January 29, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Anthony M Landis D.o. NPPES

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

DR. ANTHONY M LANDIS D.O. (NPI 1821187436) is an individual hematology & oncology provider in Lawrenceville, Georgia, licensed in Georgia (021733) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821187436
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. ANTHONY M LANDISCredential: D.O.
Location Address631 PROFESSIONAL DRIVE, SUITE 450Lawrenceville, GA 30046-7651
Mailing Address631 Professional Drive, Suite 450Lawrenceville, GA 30046-7651 · (770) 963-8030 · Fax (770) 339-9577
Phone(770) 963-8030
Fax(770) 339-9577
Sole ProprietorNo
Enumeration DateOctober 12, 2006
Last NPPES UpdateJanuary 29, 2010
✔ NPI 1821187436 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in GA · 021733
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
631 PROFESSIONAL DRIVE, Lawrenceville, GA 30046
Open in Google Maps ↗

Other Identifiers 7

Medicaid00245506JGA
Medicare NSC4188940002GA
Other1508926759GA · Group Npi Number
Medicare UPIND30010
Other1821187436GA · Provider Npi Number
Medicare ID-Type Unspecified90BDBKD
Medicare PIN900003457

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, 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 (PECOS)

Dr. Anthony M Landis D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Anthony Landis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Northside Hospital, Inc.
0.1 mi
General Acute Care Hospital
1000 MEDICAL CENTER BLVD
Lawrenceville, GA 30046
  • Reassigned Medicare billing, Georgia enrollment
  • Medicare enrollment name: Gwinnett Hospital System, Inc.
  • 98 clinicians in this Medicare group
NPI 1952340994 (678) 312-1000
Gwinnett Physician Group, LLC
0.1 mi
Internal Medicine
1000 MEDICAL CENTER BLVD, MOB 100 SUITE 210
Lawrenceville, GA 30046
  • Reassigned Medicare billing, Georgia enrollment
  • 275 clinicians in this Medicare group
NPI 1578574661 (855) 709-4535

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30046 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
$172.43 typical visit price
range $56.84 – $172.43
Typical copayment $43.10 (range $14.21 – $43.10)
Most-billed visit code 99205
Established Patient
$100.20 typical visit price
range $18.22 – $140.40
Typical copayment $25.05 (range $4.55 – $35.10)
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 13

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

BARBARA O'CALLAGHAN RN, NP
Registered Nurse (Oncology)
631 PROFESSIONAL DRIVE, 450
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 963-8030
HUGHSTON CLINIC PC
Durable Medical Equipment & Medical Supplies
631 PROFESSIONAL DRIVE, SUITE 170
LAWRENECEVILLE, GA 30046
Gwinnett County (678) 312-2663
DR. ALEXANDER SAKER JR. M.D.
Internal Medicine (Hematology & Oncology)
631 PROFESSIONAL DRIVE, SUITE 450
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 963-8030
SATVIR SINGH M.D.
Internal Medicine (Hematology & Oncology)
631 PROFESSIONAL DRIVE, SUITE 450
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 963-8030
WALLACE FORD MARTIN MD
Surgery
631 PROFESSIONAL DRIVE, SUITE 300
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 962-9977
SUBURBAN HEMATOLOGY ONCOLOGY ASSOCIATES, PC
Internal Medicine (Hematology & Oncology)
631 PROFESSIONAL DRIVE, SUITE 450
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 963-8030
SUDHINDRA K ANEGUNDI MD
Surgery (Vascular Surgery)
631 PROFESSIONAL DRIVE, SUITE 300
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 962-9977
JOHN A. CHANDLER PA
Physician Assistant (Surgical)
631 PROFESSIONAL DRIVE, SUITE 200
LAWRENCEVILLE, GA 30046
Gwinnett County (770) 579-1894

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 Anthony Landis's NPI number?

The NPI number for Anthony Landis is 1821187436. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is Anthony Landis located?

Anthony Landis practices at 631 Professional Drive Suite 450, Lawrenceville, GA 30046. The listed phone number is (770) 963-8030.

What is Anthony Landis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Anthony Landis enrolled in Medicare?

Yes. Anthony Landis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Anthony Landis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Landis reassigns Medicare benefits to 2 organizations: Northside Hospital, Inc. (Lawrenceville, GA) and Gwinnett Physician Group, LLC (Lawrenceville, GA). 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 Anthony Landis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anthony Landis accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Anthony Landis 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 Anthony Landis was last updated on January 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.