NPPES file of Aug 9, 2026

Robert Jefferson Seymour, D.M.D

Dentist · Chandler, AZ

Robert Jefferson Seymour, D.M.D is a dentist with a practice address in Chandler, Arizona, and NPI 1043473564, issued on Jul 3, 2008. Check the license (Arizona D7566, as entered in NPPES) with the Arizona 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
1043473564
Name
Robert Jefferson Seymour
Credential
D.M.D
Primary taxonomy
Dentist 122300000X
License number
D7566 AZ
Self-reported in NPPES; status is on the state search
Practice location
2880 E Germann RD, Chandler, AZ 85286
Phone
(480) 821-5444
Enumerated
Jul 3, 2008
Record last updated
Jul 3, 2008 (not updated in 18 years: call before relying on the address or phone)
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 2880 E Germann RD

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

  1. Michael Hill, DDSGeneral Practice Dentistry1093907941

Verify Robert Jefferson Seymour in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license D7566
    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 Arizona license search

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30% more Medicare Part D claims than the average dentist in 2024

112 Medicare Part D claims for 60 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. Robert Seymour112
  2. Specialty average86

Most prescribed

  1. Amoxicillin50 claims
  2. Hydrocodone-Acetaminophen28 claims
  3. Azithromycin11 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: $36.36

1 payment: food and beverage; the largest payer was Envista Holdings Corporation. 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 Seymour$36.36
  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 Jefferson Seymour among 1,928 dentist records in Arizona

Robert Jefferson Seymour, D.M.D is one of 1,928 dentist records with a practice address in Arizona. 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 2008, is newer than 41% of them.

  • NPI issued2008 · 41% of these records are older, 54% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2008 · 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

78 dentist records list a practice address in Chandler

They are 78 of the 5,497 NPPES records with a practice address in Chandler, and 1,928 dentist records in Arizona.

The 8 dentist records with the nearest ZIP codes

  1. Chad FineChandler, AZ 852861801119508
  2. Rachel Gardner, DMDChandler, AZ 852861780104562
  3. Brandt Hansen, DMDChandler, AZ 852861841817962
  4. Hana Mansoor, DDSChandler, AZ 852861649362484
  5. Troy Richins, DDSChandler, AZ 852861841543287
  6. Karli Sabatino, DMDChandler, AZ 852861912749482
  7. Robert Walker, D.D.S.Chandler, AZ 852861114989340
  8. Anitha Goud, DDSTempe, AZ 852841659493153

Common questions

What is Robert Jefferson Seymour, D.M.D's NPI number?

Robert Jefferson Seymour, D.M.D's National Provider Identifier (NPI) is 1043473564, issued on Jul 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Robert Jefferson Seymour, D.M.D located?

The NPPES record lists a practice address at 2880 E Germann RD, Chandler, AZ, 85286. Phone: (480) 821-5444. Providers update this record themselves, so call before visiting.

How can I verify Robert Jefferson Seymour, D.M.D's license?

NPPES lists Arizona license number D7566, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Robert Jefferson Seymour, D.M.D prescribe under Medicare Part D?

In 2024, Robert Jefferson Seymour, D.M.D had 112 Medicare Part D claims for 60 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.