Doctor profile · Federal record

Dr. Mason Day, DO

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Clinton, NC

  • NPI 1225657208
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
607 Beaman St
Clinton, NC 283282603
(910) 592-8511

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
July 7, 2023
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
North Carolina #2021-02917 · North Carolina #262144

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225657208. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
310
Distinct HCPCS
6
Medicare allowed
$30,583
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 162 95 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 58 57 $166
99239 Hospital discharge day management, more than 30 minutes 44 42 $109
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 21 16 $47
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 13 12 $114
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $124

In context: peer comparison

Among 3 peers in this city , average services per provider: 108. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, Inc 1 $19.63

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
513
Patients
120
Total drug cost
$8,471
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 66 26 $426
Lisinopril Generic 52 18 $464
Atorvastatin Calcium Generic 51 23 $1,099
Gabapentin Generic 49 11 $1,418
Potassium Chloride Generic 36 15 $820
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 35 0 $925
Levothyroxine Sodium Generic 30 0 $503
Metformin Hcl Generic 29 0 $344
Furosemide Generic 28 0 $201
Carvedilol Generic 27 0 $218

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mason Day's medical specialty?
Dr. Mason Day practices Internal Medicine Physician in Clinton, NC.
Where does Dr. Mason Day practice?
Dr. Mason Day practices at 607 Beaman St, Clinton, NC 283282603. Office phone: 9105928511.
What is Dr. Mason Day's NPI?
Dr. Mason Day's National Provider Identifier (NPI) is 1225657208, issued by NPPES.
Does Dr. Mason Day accept Medicare assignment?
Yes. Dr. Mason Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mason Day commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.