Douglas Mayo
Family Nurse Practitioner · Weldon Spring, MO
Douglas Mayo is a family nurse practitioner with a practice address in Weldon Spring, Missouri, and NPI 1942674254, issued on Nov 24, 2015. Check the license (Missouri 2015032884, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Douglas Mayo
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 2015032884 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1051 Wolfrum RD, Weldon Spring, MO 63304
- Phone
- (636) 300-0370
- Enumerated
- Nov 24, 2015
- Record last updated
- Nov 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160420000317); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →
Verify Douglas 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 2015032884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family nurse practitioner in 2024
2,990 Medicare Part D claims for 482 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium181 claims
- Amlodipine Besylate172 claims
- Lisinopril137 claims
- Hydrochlorothiazide86 claims
- Levothyroxine Sodium79 claims
- Omeprazole79 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: $497.97
23 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Emergency Physicians OF St Lukes LLCEllisville, MO
- Mercy Hospital LincolnTroy, MO · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Douglas Mayo among 5,226 family nurse practitioner records in Missouri
Douglas Mayo is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 34% of them.
- NPI issued2015 · 34% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2015 · median 2018 among the 3,339 with a school on file
- Record last updated2015 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family nurse practitioner records list a practice address in Weldon Spring
They are 3 of the 131 NPPES records with a practice address in Weldon Spring, and 5,226 family nurse practitioner records in Missouri.
All 5,226 in Missouri → Every provider in Weldon Spring → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Amanda BenSaint Charles, MO 633041164049698
- Aaron Carbutt, FNP-BCSaint Charles, MO 633041508415811
- Emmanuelson Chukwuyem, APRNWeldon Spring, MO 633041275396376
- Alante Ghannam, FNPSaint Charles, MO 633041083153787
- Melissa IrvineSaint Charles, MO 633041558733113
- Sydney IrwinSaint Charles, MO 633041316752363
- Lauren Knight, APRN, FNP-BCSaint Charles, MO 633041265862916
- Kimberly Koontz, NP-CSaint Peters, MO 633041205235355
Common questions
What is Douglas Mayo's NPI number?
Douglas Mayo's National Provider Identifier (NPI) is 1942674254, issued on Nov 24, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Mayo located?
The NPPES record lists a practice address at 1051 Wolfrum RD, Weldon Spring, MO, 63304. Phone: (636) 300-0370. Providers update this record themselves, so call before visiting.
How can I verify Douglas Mayo's license?
NPPES lists Missouri license number 2015032884, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Douglas Mayo prescribe under Medicare Part D?
In 2024, Douglas Mayo had 2,990 Medicare Part D claims for 482 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.