David Joseph Mayo, PA-C

  • Washington, MO
  • Physician assistant
NPI1184213522
Medicare patients, 2024
91
Part D claims, 2024
249
Hospital affiliations
1
Medical group
1
State license
1
Practice address
901 East 5th Street, Washington, MO 63090
Practice phone
Call (636) 239-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital Washington

Hospital · Washington, Missouri

See all 2 affiliations

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David Joseph Mayo is a physician assistant in Washington, Missouri

David Mayo practices at Mercy Hospital Washington in Washington, Missouri, part of Mercy.

David Mayo's NPI, 1184213522, was assigned on January 11, 2021. David Mayo holds Missouri license 2022006233.

NPI and contact details
NPI enumeration date
January 11, 2021
NPI status
Active
Practice phone
(636) 239-8000
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

David Joseph Mayo practices at Mercy Hospital Washington in Washington, Missouri

David Mayo's primary practice is Mercy Hospital Washington, at 901 East 5th Street, Washington, MO 63090 in Franklin County. The practice phone is (636) 239-8000.

Source: Dmand AI Affiliation Data

David Joseph Mayo is affiliated with 1 site of care and 1 medical group

David Mayo's primary practice is Mercy Hospital Washington in Washington, Missouri, part of Mercy. The medical group on file is Mercy McAuley Clinic. David Mayo's employer is on file too: a hospital.

See all 2 affiliations for David Mayo

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at David Joseph Mayo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where David Mayo practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Hospital WashingtonAvailable with a free account

Source: Dmand AI Technology Install Data

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David Joseph Mayo is one of 262 physician assistants in Missouri

Medical is David Mayo's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. David Mayo is licensed in Missouri.

Specialties and state licenses

  • Medical physician assistant, MissouriPrimaryLicense 2022006233 · taxonomy 363AM0700X

Physician assistants near David Mayo

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

David Joseph Mayo treated 91 Medicare patients in 2024, average age 68

CMS counts 91 Medicare patients who saw David Mayo in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts David Mayo's median patient age at 48, with 57% women.

Medicare patients, 202491
Average age68
Average risk score1.57
Also on Medicaid26%

David Mayo's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

David Mayo's Medicare patients by sex, 2024

  • Women4448%
  • Men4752%

Chronic conditions among David Mayo's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis59%
  4. Mood disorders43%
  5. Depression38%
  6. Anxiety34%
  7. Atrial fibrillation31%
  8. Diabetes31%

Share of Medicare patients with each condition. A patient can have several.

David Mayo's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women57%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

David Joseph Mayo wrote 249 Medicare Part D claims in 2024

In 2024, David Mayo wrote 249 Medicare Part D claims for 186 patients. 98% of them were for generic drugs.

Part D claims, 2024249
Part D patients186

David Mayo's Part D claims by kind of drug, 2024

  • Generic243 claims98%
  • Brand-name and other6 claims2%

Drug classes CMS tracks in David Mayo's Part D claims, 2024

  • Opioids23%57 of 249 claims
  • Antibiotics37%92 of 249 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for David Joseph Mayo's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about David Joseph Mayo

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is David Joseph Mayo's NPI number?

David Joseph Mayo's NPI number is 1184213522. It was assigned on January 11, 2021, and it is active in the NPI Registry.

What does David Joseph Mayo specialize in?

David Joseph Mayo is a physician assistant in Washington, Missouri. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does David Joseph Mayo practice?

David Mayo practices at 901 East 5th Street, Washington, MO 63090. David Mayo's primary practice is Mercy Hospital Washington in Washington, Missouri, part of Mercy.

What is David Joseph Mayo's office phone number?

The practice phone on file for David Mayo is (636) 239-8000.

What is David Joseph Mayo's medical license number?

David Mayo holds Missouri license 2022006233.

Which hospitals is David Joseph Mayo affiliated with?

David Mayo practices at Mercy Hospital Washington in Washington, Missouri.

What medical group is David Joseph Mayo part of?

David Mayo is linked to Mercy McAuley Clinic.

How many Medicare patients does David Joseph Mayo see?

CMS counts 91 Medicare patients who saw David Mayo in 2024, with an average age of 68.

How long has David Joseph Mayo been practicing?

David Mayo's NPI was assigned in 2021.

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