Robert S. Holyoak, DMD
General Practice Dentistry · Peoria, AZ
Robert S. Holyoak, DMD is a general practice dentistry with a practice address in Peoria, Arizona, and NPI 1265656938, issued on Apr 12, 2007. Check the license (Arizona 2146, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert S. Holyoak
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 2146 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 9431 W Thunderbird RD, Peoria, AZ 85381
- Phone
- (623) 933-8410
- Enumerated
- Apr 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Robert S. Holyoak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 2146Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average general practice dentistry in 2024
200 Medicare Part D claims for 131 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin139 claims
- Clindamycin Hcl22 claims
- Chlorhexidine Gluconate18 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.
70 general practice dentistry records list a practice address in Peoria
They are 70 of the 2,528 NPPES records with a practice address in Peoria, and 2,482 general practice dentistry records in Arizona.
All 70 in Peoria → All 2,482 in Arizona → Every provider in Peoria →
Other general practice dentistry records in Arizona
- Bruce Aahrens, DDSPeoria, AZ1356428510
- Abraham Abaie, DDSScottsdale, AZ1477641256
- Alisha Abbas, DMDTucson, AZ1528985355
- Ali AbdulmajeedLaveen, AZ1194493080
- Reza Abedi, DDSApache Junction, AZ1578659736
- Aryan Abedini, DMDAvondale, AZ1841776150
- Ramez Abilmona, DMDMesa, AZ1376744748
- Mark AbzugPhoenix, AZ1871648543
- Chad Achatz, DMDScottsdale, AZ1699220863
- Kelsey Adams, DMDScottsdale, AZ1770476731
Common questions
What is Robert S. Holyoak, DMD's NPI number?
Robert S. Holyoak, DMD's National Provider Identifier (NPI) is 1265656938, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert S. Holyoak, DMD located?
The NPPES record lists a practice address at 9431 W Thunderbird RD, Peoria, AZ, 85381. Phone: (623) 933-8410. Providers update this record themselves, so call before visiting.
How can I verify Robert S. Holyoak, DMD's license?
NPPES lists Arizona license number 2146, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Robert S. Holyoak, DMD prescribe under Medicare Part D?
In 2024, Robert S. Holyoak, DMD had 200 Medicare Part D claims for 131 beneficiaries; the average among general practice dentistry prescribers was 83. 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.