Physician Profile
William A. Chafin, M.D. practices rheumatology in Gainesville, GA. William is a 2004 graduate of Medical College of Georgia School of Medicine. According to Medicare claims data, William cared for 3,527 Medicare patients across 494,864 services. The services billed most often include injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered), injection, tocilizumab, 1 mg, and injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
700 S ENOTA DR NE
Gainesville, GA 30501
1715 Resurgence Dr Ste 201
Watkinsville, GA 30677
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Autoimmune
Bone
Bone Health
Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
Education & Support
Imaging
Injections
Lab & Diagnostics
Lab Work
Medication Management
Pain Relief
Regenerative Medicine
494,864 services · 3,527 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
821 | More than most peers in Rheumatology |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
80 | More often than most peers in Rheumatology |
| X-ray of hand, 2 views | Imaging | 73120 |
233 | More than most peers in Rheumatology |
| X-ray of knee, 3 views | Imaging | 73562 |
53 | More often than most peers in Rheumatology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
1,375 | More than most peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
834 | More than most peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
246 | More often than most peers in Rheumatology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
133 | As often as other peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
107 | As often as other peers in Rheumatology |
| Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0717 |
316,401 | More than most peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William A. Chafin is a rheumatologist in Gainesville, GA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
William A. Chafin is listed at 700 S Enota Dr Ne, Gainesville, GA 30501. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (770) 531-3711. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William A. Chafin's National Provider Identifier is 1225122716. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
William A. Chafin attended Medical College of Georgia School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
William A. Chafin has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William A. Chafin performs procedures including insertion of needle into vein for collection of blood sample and aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of hand, 2 views and x-ray of knee, 3 views; provides treatments such as administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by William A. Chafin. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.