Doctor profile · Federal record

Dr. Charles Williamson

Emergency Medicine Physician · Oxford, NC

  • NPI 1881636025
  • MIPS 91.5 / 100 · 2023
  • 20 yrs on file
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1010 College St
Oxford, NC 275652507
(800) 291-4020
fax (919) 419-7247
Mailing address
3211 Shannon RD, Suite 300
Durham, NC 277076322

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207P00000X — NUCC code
State license (1)
North Carolina #39500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881636025. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
376
Distinct HCPCS
4
Medicare allowed
$44,881
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 206 191 $118
99285 Emergency department visit with high level of medical decision making 91 86 $171
99283 Emergency department visit with low level of medical decision making 63 59 $70
99282 Emergency department visit with straightforward medical decision making 16 16 $41

In context: peer comparison

Among 5 peers in this city , average services per provider: 98. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
167
Patients
165
Total drug cost
$738
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 27 27 $46
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 25 25 $122
Prednisone Generic 25 24 $56
Meloxicam Generic 24 23 $47
Cephalexin Generic 23 23 $206
Ondansetron Hcl Generic 18 18 $70
Loperamide (Loperamide Hcl) Brand 13 13 $67
Potassium Chloride Generic 12 12 $125

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Williamson's medical specialty?
Dr. Charles Williamson practices Emergency Medicine Physician in Oxford, NC.
Where does Dr. Charles Williamson practice?
Dr. Charles Williamson practices at 1010 College St, Oxford, NC 275652507. Office phone: 8002914020.
What is Dr. Charles Williamson's NPI?
Dr. Charles Williamson's National Provider Identifier (NPI) is 1881636025, issued by NPPES.
What procedures does Dr. Charles Williamson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.