Douglas D. Mayo, M.D.
NPI 1548221062ActiveIndividual· Emergency Medicine, Emergency Medical Services· Baltimore, MD
Emergency Medicine, Emergency Medical Services (M.D.) with Adfinitas Health at Umcap LLC, practicing in Baltimore, Maryland. 369 Medicare patients in 2024, $54,497 paid; nearly all of their 214 Part D prescriptions were generic (93%). Vertex Pharmaceuticals Incorporated reported $14.12 in payments in 2024, mostly food and beverage. Lists Umd Upper Chesapeake Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1548221062 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 1, 2006 |
| Last updated in NPPES | Jun 20, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine, Emergency Medical Services Primary | 207PE0004X | D006155 | MD |
| Specialist | 174400000X | D0061555 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (DC); Practitioner - Emergency Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 369 |
|---|---|
| Services billed | 513 across 27 procedure codes |
| Paid by Medicare | $54,497 |
Part D prescriptions in 2024
| Prescriptions (claims) | 214 · 214 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $3,125 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Internal Medicine |
Medical group
- Adfinitas Health at Umcap LLCLargo, MD · 52 clinicians
Hospital affiliations
- Umd Upper Chesapeake Medical CenterBel Air, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
- University of MD Charles Regional Medical CenterLa Plata, MD
- University of MD Shore Medical Center at EastonEaston, MD
- University of MD Shore Medical Ctr at ChestertownChestertown, MD
Industry payments (Open Payments)
- 2024$14.12 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $14.12 | 1 |
What the 2024 payments were for
- Food and Beverage$14.12 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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