Robert Douglas Clayton, M.D.
Internal Medicine Physician · Suwanee, GA
Robert Douglas Clayton, M.D. is an internal medicine physician with a practice address in Suwanee, Georgia, and NPI 1558436907, issued on Nov 21, 2006. Check the license (Georgia 035836, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Douglas Clayton
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 035836 GA
Self-reported in NPPES; status is on the state search - Practice location
- 4060 Johns Creek Pkwy, Suwanee, GA 30024
- Phone
- (678) 205-0525
- Enumerated
- Nov 21, 2006
- Record last updated
- Dec 3, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (770) 604-9316
- Medicaid ID
- 0005173385D GA
- Medicare enrollment
- Enrolled (PECOS I20081001000694); 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 4060 Johns Creek Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Douglas Clayton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 035836Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average internal medicine physician in 2024
5,731 Medicare Part D claims for 252 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 367 claims were for opioids.
Most prescribed
- Methylprednisolone255 claims
- Tramadol Hcl213 claims
- Azithromycin201 claims
- Levothyroxine Sodium184 claims
- Pantoprazole Sodium165 claims
- Alprazolam157 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.
Industry payments in 2024: $76.85
4 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Robert Douglas Clayton among 3,911 internal medicine physician records in Georgia
Robert Douglas Clayton, 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
- Graduated1984 · 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).
29 internal medicine physician records list a practice address in Suwanee
They are 29 of the 1,478 NPPES records with a practice address in Suwanee, and 3,911 internal medicine physician records in Georgia.
All 3,911 in Georgia → Every provider in Suwanee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Amy Gonzalez, M.D.Suwanee, GA 300241326264904
- Lee Herman, MDSuwanee, GA 300241184779027
- Jinahn Kim, M.D.Suwanee, GA 300241922057702
- Shukri Makhlouf, M.D.Suwanee, GA 300241679503577
- Betty Mincey, M.D.Suwanee, GA 300241518956242
Common questions
What is Robert Douglas Clayton, M.D.'s NPI number?
Robert Douglas Clayton, M.D.'s National Provider Identifier (NPI) is 1558436907, issued on Nov 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Douglas Clayton, M.D. located?
The NPPES record lists a practice address at 4060 Johns Creek Pkwy, Suwanee, GA, 30024. Phone: (678) 205-0525. Providers update this record themselves, so call before visiting.
How can I verify Robert Douglas Clayton, M.D.'s license?
NPPES lists Georgia license number 035836, 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 Douglas Clayton, M.D. prescribe under Medicare Part D?
In 2024, Robert Douglas Clayton, M.D. had 5,731 Medicare Part D claims for 252 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.