James C. Oates, MD
Rheumatology Physician · Charleston, SC
James C. Oates, MD is a rheumatology physician with a practice address in Charleston, South Carolina, and NPI 1831207885, issued on Aug 29, 2006. Check the license (South Carolina 18836, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James C. Oates
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 18836 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2125 Charlie Hall Blvd, Charleston, SC 29414
- Phone
- (843) 573-1500
- Enumerated
- Aug 29, 2006
- Record last updated
- Oct 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (843) 573-1535
- Medicaid ID
- 188362 SC
- Medicare enrollment
- Enrolled (PECOS I20070530000226); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 128 in South Carolina → Look up another NPI →
Also registered at 2125 Charlie Hall Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Austin, OTR/L,CHTHand Occupational Therapist1568658540
- Kelly Clay, M.D.Internal Medicine Physician1457327181
- Cathlyn HirschfeldMental Health Counselor1518708908
- Michael Manneraak, PT, MRS-PTPhysical Therapist1356538102
Verify James C. Oates in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 18836Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,754 Medicare Part D claims for 209 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 170 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate185 claims
- Prednisone133 claims
- Methotrexate102 claims
- Tramadol Hcl102 claims
- Gabapentin60 claims
- Humira Pen57 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $23.96
1 payment: food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James C. Oates among 128 rheumatology physician records in South Carolina
James C. Oates, MD is one of 128 rheumatology physician records with a practice address in South Carolina. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 54% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1991 · median 2008 among the 90 with a school on file
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in South Carolina
There are 128 rheumatology physician records in South Carolina.
All 128 in South Carolina → Every provider in Charleston → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Jake Altier, MDCharleston, SC 294141154983096
- Erica Anderson, D.O.Charleston, SC 294141881782266
- Georgia Roane, MDCharleston, SC 294141184662660
- Rashi Vora, MDCharleston, SC 294141265057582
- Sofia Aksentijevich, MDCharleston, SC 294071952449290
- Alan Nussbaum, M.D.Charleston, SC 294071982645529
- Hayley Walter, M.D.Charleston, SC 294241083032593
- Melissa Cunningham, MD/PHDCharleston, SC 294251689751844
Common questions
What is James C. Oates, MD's NPI number?
James C. Oates, MD's National Provider Identifier (NPI) is 1831207885, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James C. Oates, MD located?
The NPPES record lists a practice address at 2125 Charlie Hall Blvd, Charleston, SC, 29414. Phone: (843) 573-1500. Providers update this record themselves, so call before visiting.
How can I verify James C. Oates, MD's license?
NPPES lists South Carolina license number 18836, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James C. Oates, MD prescribe under Medicare Part D?
In 2024, James C. Oates, MD had 1,754 Medicare Part D claims for 209 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.