David Joseph Mayo, PA-C
Medical Physician Assistant · Washington, MO
David Joseph Mayo, PA-C is a medical physician assistant with a practice address in Washington, Missouri, and NPI 1184213522, issued on Jan 11, 2021. Check the license (Missouri 2022006233, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Joseph Mayo
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 2022006233 MO
Self-reported in NPPES; status is on the state search - Practice location
- 901 E 5TH St, Washington, MO 63090
- Phone
- (636) 239-8000
- Enumerated
- Jan 11, 2021
- Record last updated
- Feb 22, 2022
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 317 in Missouri → Look up another NPI →
Also registered at 901 E 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rajasekhar Bhoda, M.DHospitalist Physician1144485798
Verify David Joseph Mayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2022006233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average medical physician assistant in 2024
249 Medicare Part D claims for 186 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 57 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen45 claims
- Cephalexin42 claims
- Cyclobenzaprine Hcl29 claims
- Prednisone27 claims
- Doxycycline Hyclate14 claims
- Amoxicillin-Clavulanate Potass13 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.
David Joseph Mayo among 317 medical physician assistant records in Missouri
David Joseph Mayo, PA-C is one of 317 medical physician assistant records with a practice address in Missouri. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 74% of them.
- NPI issued2021 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Missouri
There are 317 medical physician assistant records in Missouri.
All 317 in Missouri → Every provider in Washington → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Bryar Bequette, PA-CWashington, MO 630901972161206
- Morgan Dillon-Van Iwaarden, PA-CWashington, MO 630901053909804
- Benjamin Ingenthron, PAWashington, MO 630901609465814
- David Morgan, PA-CWashington, MO 630901336581685
- Emily Geiser, PAUnion, MO 630841306670161
- Kate Randolph, PASullivan, MO 630801033939749
- Samuel KomisSaint Louis, MO 631031205524535
- Erika CrossSaint Louis, MO 631041619704327
Common questions
What is David Joseph Mayo, PA-C's NPI number?
David Joseph Mayo, PA-C's National Provider Identifier (NPI) is 1184213522, issued on Jan 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is David Joseph Mayo, PA-C located?
The NPPES record lists a practice address at 901 E 5TH St, Washington, MO, 63090. Phone: (636) 239-8000. Providers update this record themselves, so call before visiting.
How can I verify David Joseph Mayo, PA-C's license?
NPPES lists Missouri license number 2022006233, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does David Joseph Mayo, PA-C prescribe under Medicare Part D?
In 2024, David Joseph Mayo, PA-C had 249 Medicare Part D claims for 186 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.