Alastair Gavin Warner, M.D.
Internal Medicine Physician · Roswell, GA
Alastair Gavin Warner, M.D. is an internal medicine physician with a practice address in Roswell, Georgia, and NPI 1952499717, issued on Oct 10, 2006. Check the license (Georgia 56501, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Alastair Gavin Warner
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 56501 GA
Self-reported in NPPES; status is on the state search - Practice location
- 3000 Hospital Blvd, Roswell, GA 30076
- Phone
- (770) 751-2777
- Enumerated
- Oct 10, 2006
- Record last updated
- Aug 17, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (770) 751-2773
- Medicaid ID
- 181620896B GA
- Medicare enrollment
- Enrolled (PECOS I20060130000242); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Also registered at 3000 Hospital Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sowmya Barrela, M.D.Hospitalist Physician1811371461
- Amanda Bass, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1366338030
- Katie BavaMedical Physician Assistant1922755123
- Lindsey Bergman, PAPhysician Assistant1770850190
Verify Alastair Gavin Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 56501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
123 Medicare Part D claims for 23 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 69.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 24 ON Physicians PCRome, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alastair Gavin Warner among 3,911 internal medicine physician records in Georgia
Alastair Gavin Warner, M.D. is one of 3,911 internal medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 57% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1998 · median 2005 among the 2,535 with a school on file
- Record last updated2009 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Roswell
They are 24 of the 2,339 NPPES records with a practice address in Roswell, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Roswell → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Megan Bowles, MDRoswell, GA 300761790776524
- Kaya Caldwell, M.D.Roswell, GA 300761013029826
- Timothy Cummings, MDRoswell, GA 300761720095177
- Mitchell Hecht, M.D.Roswell, GA 300761265434294
- Jason Holbrook, M.D.Roswell, GA 300761073617692
- Philip Huff, M.D.Roswell, GA 300761972592632
- Sharon Joseph, MDRoswell, GA 300761790885812
- Stephen Mikos, M.D.Roswell, GA 300761770566523
Common questions
What is Alastair Gavin Warner, M.D.'s NPI number?
Alastair Gavin Warner, M.D.'s National Provider Identifier (NPI) is 1952499717, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alastair Gavin Warner, M.D. located?
The NPPES record lists a practice address at 3000 Hospital Blvd, Roswell, GA, 30076. Phone: (770) 751-2777. Providers update this record themselves, so call before visiting.
How can I verify Alastair Gavin Warner, M.D.'s license?
NPPES lists Georgia license number 56501, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alastair Gavin Warner, M.D. prescribe under Medicare Part D?
In 2024, Alastair Gavin Warner, M.D. had 123 Medicare Part D claims for 23 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Alastair Gavin Warner, M.D.'s MIPS final score?
The 2023 MIPS final score is 69.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.