Doctor profile · Federal record

Dr. Douglas Mayo

Family Nurse Practitioner (CMS: Nurse Practitioner) · Weldon Spring, MO

  • NPI 1942674254
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1051 Wolfrum RD
Weldon Spring, MO 633047625
(636) 300-0370
Mailing address
50 Whitehaven CT
Saint Charles, MO 633046969

Credentials & registration

NPPES · NUCC
NPI registered
November 2015 — 11 yrs on file
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Missouri #2015032884

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942674254. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$498
Transactions
23
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 4 $96.87
Dexcom, Inc. 3 $88.76
Novo Nordisk Inc 3 $54.78
Otsuka America Pharmaceutical, Inc. 2 $42.15
Amgen Inc. 1 $28.22
AstraZeneca Pharmaceuticals LP 2 $26.86
PFIZER INC. 1 $24.27
Lilly USA, LLC 1 $23.04
Cranial Technologies, Inc 1 $22.55
Novartis Pharmaceuticals Corporation 1 $22.43
Nevro Corp. 1 $19.91
Mylan Specialty L.P. 1 $17.78
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $16.08
Kowa Pharmaceuticals America, Inc. 1 $14.27

By nature of payment

Food and Beverage
$498

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
995
Patients
319
Total drug cost
$11,183
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 130 43 $1,542
Lisinopril Generic 129 38 $1,173
Amlodipine Besylate Generic 122 37 $1,000
Levothyroxine Sodium Generic 69 20 $1,244
Hydrochlorothiazide Generic 67 20 $255
Pantoprazole Sodium Generic 55 16 $639
Omeprazole Generic 54 17 $847
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 51 27 $1,327
Metoprolol Succinate Generic 51 16 $1,114
Methylprednisolone Generic 49 46 $400

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Mayo's medical specialty?
Dr. Douglas Mayo practices Family Nurse Practitioner in Weldon Spring, MO.
Where does Dr. Douglas Mayo practice?
Dr. Douglas Mayo practices at 1051 Wolfrum RD, Weldon Spring, MO 633047625. Office phone: 6363000370.
What is Dr. Douglas Mayo's NPI?
Dr. Douglas Mayo's National Provider Identifier (NPI) is 1942674254, issued by NPPES.
Does Dr. Douglas Mayo accept Medicare assignment?
Yes. Dr. Douglas Mayo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.