Doctor profile · Federal record

Dr. Charles Murdock, MD

Nephrology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Spartanburg, SC

  • NPI 1679533640
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
126 Dillon Dr
Spartanburg, SC 293071018
(864) 327-1212
fax (864) 327-1211

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
November 15, 2011
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
South Carolina #12557 · South Carolina #12257
Medicaid (2)
NC #7906172 · SC #122575

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679533640. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,964
Distinct HCPCS
10
Medicare allowed
$191,142
HCPCS Description Services Patients Avg allowed
90970 Dialysis services, per day, less than full month service (20 years or older) 625 14 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 433 241 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 291 110 $75
90935 Hemodialysis procedure with physician evaluation 170 53 $68
90966 Home dialysis services per month (20 years or older) 134 22 $270
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 116 22 $334
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 63 57 $123
90945 Dialysis procedure including 1 evaluation 42 11 $81
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 26 22 $113
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 21 13 $277

In context: peer comparison

Among 1 peers in Spartanburg Nephrology Physician, average services per provider: 151. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,416
Transactions
62
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Akebia Therapeutics INC 15 $389.52
Travere Therapeutics, INC. 10 $203.29
Novartis Pharmaceuticals Corporation 5 $142.66
Ardelyx, INC. 4 $98.11
Bayer Healthcare Pharmaceuticals INC. 5 $89.32
Novo Nordisk INC 3 $71.55
Boehringer Ingelheim Pharmaceuticals, INC. 3 $68.83
AstraZeneca Pharmaceuticals Lp 4 $62.88
Amgen INC. 2 $52.64
Vifor Pharma, INC. 3 $52.32
GlaxoSmithKline, LLC. 3 $52.29
Ani Pharmaceuticals, INC. 2 $43.07
Mallinckrodt Hospital Products INC. 1 $27.72
Calliditas Therapeutics US INC. 1 $24.85
Aurinia Pharma U.S., INC. 1 $21.31

By nature of payment

Food and Beverage
$1,291
Education
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,727
Patients
524
Total drug cost
$291,594
Drug Type Claims Patients Total cost
Calcium Acetate Generic 248 58 $20,460
Furosemide Generic 195 74 $1,187
Auryxia (Ferric Citrate) Brand 185 32 $252,785
Amlodipine Besylate Generic 167 61 $1,606
Alprazolam Generic 140 19 $792
Benazepril Hcl Generic 126 39 $2,041
Irbesartan Generic 89 23 $2,301
Lisinopril Generic 89 32 $1,001
Allopurinol Generic 80 22 $1,419
Cephalexin Generic 76 53 $2,452

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Charles Murdock's medical specialty?
Dr. Charles Murdock practices Nephrology Physician in Spartanburg, SC.
Where does Dr. Charles Murdock practice?
Dr. Charles Murdock practices at 126 Dillon Dr, Spartanburg, SC 293071018. Office phone: 8643271212.
What is Dr. Charles Murdock's NPI?
Dr. Charles Murdock's National Provider Identifier (NPI) is 1679533640, issued by NPPES.
Does Dr. Charles Murdock accept Medicare assignment?
Yes. Dr. Charles Murdock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Murdock commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services (HCPCS 90970); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.