ALASTAIR GAVIN WARNER M.D.
NPI 1952499717
Internal Medicine in Roswell, GA
About Alastair Gavin Warner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALASTAIR GAVIN WARNER M.D. (NPI 1952499717) is an individual internal medicine provider in Roswell, Georgia, licensed in Georgia (56501) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Atrium Health Floyd Medical Center, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted 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
Alastair Gavin Warner M.d. 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.
Medicare Billing Reassignment
Medicare enrollment records show Alastair Warner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rome, GA 30165
- Reassigned Medicare billing, Georgia enrollment
- 343 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Atrium Health Floyd Medical Center
Acute Care Hospitals · Rome, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 30076 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROSWELL, GA 30076
ROSWELL, GA 30076
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 Alastair Warner's NPI number?
The NPI number for Alastair Warner is 1952499717. It was assigned to this individual provider in the NPPES registry on October 10, 2006.
Where is Alastair Warner located?
Alastair Warner practices at 3000 Hospital Blvd, Roswell, GA 30076. The listed phone number is (770) 751-2777.
What is Alastair Warner's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alastair Warner enrolled in Medicare?
Yes. Alastair Warner 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 organization bills Medicare for Alastair Warner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alastair Warner reassigns Medicare benefits to 24 On Physicians, PC (Rome, GA). The 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 Alastair Warner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alastair Warner accept?
Health plans from Alliant Health Plans, Inc. list Alastair Warner 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 Alastair Warner affiliated with any hospitals?
According to CMS data, Alastair Warner is affiliated with Atrium Health Floyd Medical Center.
When was this NPI record last updated?
The NPPES record for Alastair Warner was last updated on August 17, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Alastair Gavin Warner, M.D. · NPI 1952499717
Internal Medicine physician in Roswell, Georgia. Individual provider, active in the CMS NPPES registry since October 10, 2006.
## Identity
- **NPI:** 1952499717 (Entity type: Individual)
- **Enumerated:** October 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 56501 (Georgia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3000 HOSPITAL BLVD, Roswell, GA 30076-4915
- **Phone:** (770) 751-2777 · **Fax:** (770) 751-2773
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 24 On Physicians, PC (NPI 1912956251, Rome, GA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** August 17, 2009
- **Other identifiers:** Medicare PIN 11SCGVD (GA); Other P00359121 (GA); Medicare UPIN I48756 (GA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1952499717) · Data from the CMS NPPES public registry.