Robert Riah Collier, M.D.
Internal Medicine Physician · Augusta, GA
Robert Riah Collier, M.D. is an internal medicine physician with a practice address in Augusta, Georgia, and NPI 1194731554, issued on Jul 31, 2006. Check the license (Georgia 040643, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Riah Collier
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 040643 GA
Self-reported in NPPES; status is on the state search - Practice location
- Augusta Vamc, Augusta, GA 30904
- Phone
- (706) 733-0188
- Enumerated
- Jul 31, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (706) 481-6791
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,911 in Georgia → Look up another NPI →
Verify Robert Riah Collier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 040643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
759 Medicare Part D claims for 29 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium102 claims
- Lisinopril61 claims
- Amlodipine Besylate52 claims
- Divalproex Sodium52 claims
- Eliquis52 claims
- Famotidine52 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.
Robert Riah Collier among 3,911 internal medicine physician records in Georgia
Robert Riah Collier, 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 fileNo · 65% of these records are
- Record last updated2007 · 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).
335 internal medicine physician records list a practice address in Augusta
They are 335 of the 7,009 NPPES records with a practice address in Augusta, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Augusta → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jianhua Cheng, M.D.Augusta, GA 309041295741171
- Renee Coughlin, M.D.Augusta, GA 309041508832338
- Grace Crawford, MDAugusta, GA 309041174584221
- Marian Ebron, M.D.Augusta, GA 309041538114921
- Charles Green, M.D.Augusta, GA 309041568413029
- Alexander Lorch, M.D.Augusta, GA 309041275559205
- Richard McKnight, M.D.Augusta, GA 309041386665099
- Abiy Mekoya, MDAugusta, GA 309041023064938
Common questions
What is Robert Riah Collier, M.D.'s NPI number?
Robert Riah Collier, M.D.'s National Provider Identifier (NPI) is 1194731554, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Riah Collier, M.D. located?
The NPPES record lists a practice address at Augusta Vamc, Augusta, GA, 30904. Phone: (706) 733-0188. Providers update this record themselves, so call before visiting.
How can I verify Robert Riah Collier, M.D.'s license?
NPPES lists Georgia license number 040643, 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 Robert Riah Collier, M.D. prescribe under Medicare Part D?
In 2024, Robert Riah Collier, M.D. had 759 Medicare Part D claims for 29 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.