NPPES file of Aug 9, 2026

Robert Brandon O'Brien, D.M.D.

Dentist · Macon, GA

Robert Brandon O'Brien, D.M.D. is a dentist with a practice address in Macon, Georgia, and NPI 1972940732, issued on Jun 3, 2013. Check the license (Georgia DN014588, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972940732
Name
Robert Brandon O'Brien
Credential
D.M.D.
Primary taxonomy
Dentist 122300000X
License number
DN014588 GA
Self-reported in NPPES; status is on the state search
Practice location
3432 Mercer University Dr, Macon, GA 31204
Phone
(478) 755-8366
Enumerated
Jun 3, 2013
Record last updated
Jan 4, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(478) 755-8399
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3432 Mercer University Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kristopher Mixon, D.M.D.General Practice Dentistry1154419620
  2. Catherine Petterson, D.D.S.General Practice Dentistry1215024153

Verify Robert Brandon O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Georgia board licenses this profession
    Search for license DN014588
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Georgia license search

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40% fewer Medicare Part D claims than the average dentist in 2024

52 Medicare Part D claims for 39 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Robert O'Brien52
  2. Specialty average86

Most prescribed

  1. Amoxicillin34 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: $512.06

2 payments; by number, the most common kind was education; the largest payer was Straumann USA LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert O'Brien$512.06
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Robert Brandon O'Brien among 2,056 dentist records in Georgia

Robert Brandon O'Brien, D.M.D. is one of 2,056 dentist records with a practice address in Georgia. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.

  • NPI issued2013 · 56% of these records are older, 41% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2016 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Dentist providers in Georgia

There are 2,056 dentist records in Georgia.

The 8 dentist records with the nearest ZIP codes

  1. Valerie Ambrose, D.M.D.Macon, GA 312041801134135
  2. Joseph Ellwanger, DMDMacon, GA 312041184292070
  3. Rush Peace, DDSMacon, GA 312041245368851
  4. Charles Smaha, DMDMacon, GA 312041770741704
  5. Jacob Woods, DMDMacon, GA 312041306520150
  6. Corretta Brown-Spencer, DDSMacon, GA 312061750556965
  7. Sam Williams, DMDMacon, GA 312061396752549
  8. Harvey Zion, DDSMacon, GA 312061528314853

Common questions

What is Robert Brandon O'Brien, D.M.D.'s NPI number?

Robert Brandon O'Brien, D.M.D.'s National Provider Identifier (NPI) is 1972940732, issued on Jun 3, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Robert Brandon O'Brien, D.M.D. located?

The NPPES record lists a practice address at 3432 Mercer University Dr, Macon, GA, 31204. Phone: (478) 755-8366. Providers update this record themselves, so call before visiting.

How can I verify Robert Brandon O'Brien, D.M.D.'s license?

NPPES lists Georgia license number DN014588, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Brandon O'Brien, D.M.D. prescribe under Medicare Part D?

In 2024, Robert Brandon O'Brien, D.M.D. had 52 Medicare Part D claims for 39 beneficiaries; the average among dentist prescribers was 86. 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.