Doctor profile · Federal record

Dr. James Oates, MD

Rheumatology Physician (CMS: Rheumatology) · Charleston, SC

  • NPI 1831207885
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2125 Charlie Hall Blvd
Charleston, SC 294145879
(843) 573-1500
fax (843) 573-1535
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 20, 2020
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
South Carolina #18836
Medicaid
SC #188362

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831207885. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
277
Distinct HCPCS
4
Medicare allowed
$26,609
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 184 122 $92
99215 Established patient office or other outpatient visit, 40-54 minutes 38 32 $133
99213 Established patient office or other outpatient visit, 20-29 minutes 35 30 $63
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $126

In context: peer comparison

Among 10 peers in Charleston Rheumatology Physician, average services per provider: 430. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $23.96

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,084
Patients
196
Total drug cost
$1,260,759
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 179 53 $14,449
Prednisone Generic 169 38 $1,264
Methotrexate (Methotrexate Sodium) Brand 111 24 $4,087
Tramadol Hcl Generic 102 19 $781
Gabapentin Generic 68 13 $1,437
Humira(Cf) Pen (Adalimumab) Brand 66 0 $774,423
Oxycodone Hcl Generic 61 13 $1,519
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 56 13 $1,177
Humira Pen (Adalimumab) Brand 45 0 $392,242
Pregabalin Generic 41 11 $1,707

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Oates's medical specialty?
Dr. James Oates practices Rheumatology Physician in Charleston, SC.
Where does Dr. James Oates practice?
Dr. James Oates practices at 2125 Charlie Hall Blvd, Charleston, SC 294145879. Office phone: 8435731500.
What is Dr. James Oates's NPI?
Dr. James Oates's National Provider Identifier (NPI) is 1831207885, issued by NPPES.
Does Dr. James Oates accept Medicare assignment?
Yes. Dr. James Oates accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Oates commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.