William Shawn Monahan, D.M.D
Dentist · Mesa, AZ
William Shawn Monahan, D.M.D is a dentist with a practice address in Mesa, Arizona, and NPI 1407293541, issued on May 30, 2013. Check the license (Arizona D008339, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Shawn Monahan
- Credential
- D.M.D
- Primary taxonomy
- Dentist 122300000X
- License number
- D008339 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4540 E Baseline RD Ste 110, Mesa, AZ 85206
- Phone
- (480) 764-2111
- Enumerated
- May 30, 2013
- Record last updated
- Sep 16, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,928 in Arizona → Look up another NPI →
Verify William Shawn Monahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license D008339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average dentist in 2024
42 Medicare Part D claims for 19 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Chlorhexidine Gluconate13 claims
- Amoxicillin11 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.
William Shawn Monahan among 1,928 dentist records in Arizona
William Shawn Monahan, 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 2013, is newer than 55% of them.
- NPI issued2013 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2025 · 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).
172 dentist records list a practice address in Mesa
They are 172 of the 9,151 NPPES records with a practice address in Mesa, and 1,928 dentist records in Arizona.
All 1,928 in Arizona → Every provider in Mesa → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jason Barney, D.D.S.Mesa, AZ 852061356555395
- Marisela Bedoya, DMDMesa, AZ 852061073761730
- Brian Cahill, D.D.S.Mesa, AZ 852061558365809
- Robert Cederberg, D.D.S.Mesa, AZ 852061578751160
- Farid Ebrahim, D.D.S.Mesa, AZ 852061073663654
- Michael Glick, D.M.DMesa, AZ 852061609897032
- John Johnston, D.D.S.Mesa, AZ 852061922299510
- Gregory Lord, DMDMesa, AZ 852061043337694
Common questions
What is William Shawn Monahan, D.M.D's NPI number?
William Shawn Monahan, D.M.D's National Provider Identifier (NPI) is 1407293541, issued on May 30, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William Shawn Monahan, D.M.D located?
The NPPES record lists a practice address at 4540 E Baseline RD Ste 110, Mesa, AZ, 85206. Phone: (480) 764-2111. Providers update this record themselves, so call before visiting.
How can I verify William Shawn Monahan, D.M.D's license?
NPPES lists Arizona license number D008339, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does William Shawn Monahan, D.M.D prescribe under Medicare Part D?
In 2024, William Shawn Monahan, D.M.D had 42 Medicare Part D claims for 19 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.