DR. WILLIAM AIKEN III CHAFIN (M.D.) – Rheumatology Physician, NPI 1225122716
Rheumatology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
186 RHEUMATOLOGY in GA
Provider Addresses for DR. WILLIAM AIKEN III CHAFIN (M.D.)
700 S ENOTA DR NE
GAINESVILLE, GA 305012403
Phone: (770) 531-3711
Fax: (706) 410-9276
Type: Mailing
1715 Resurgence Dr Ste 201
Watkinsville, GA 306777321
Phone: (706) 410-9270
Type: Location
961, Smoky Mountain Springs Lane, Gainesville, Hall County, Georgia, 30501, United States
STE A
GAINESVILLE, GA 305012418
Phone: (770) 531-3711
Fax: (706) 410-9276
Type: Mailing
957, Baxter Street, Dearing Street Historic District, Athens, Athens-Clarke County, Georgia, 30606, United States
ATHENS, GA 306063754
Phone: (706) 410-9270
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 396 Open Payments records for all available years, with a total value of $7,677.
Total Amount is formed as General ($7,677) + Research ($0) + Ownership ($0) = $7,677.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($2,730).
Total Amount
$7,677
General + Research + Ownership
Payments
396
Total payment records
General Amount
$7,677
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $2,730 |
| Amgen Inc. | $901 |
| UCB, Inc. | $898 |
| Novartis Pharmaceuticals Corporation | $600 |
| Janssen Biotech, Inc. | $260 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2012-07-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120725000415 | I | Rheumatology | GA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0717 | 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) | 270,402 | 97 | $0 |
| J3262 | Injection, tocilizumab, 1 mg | 102,038 | 35 | $0 |
| J0129 | 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) | 35,477 | 77 | $0 |
| J1602 | Injection, golimumab, 1 mg, for intravenous use | 17,878 | 29 | $0 |
| J9312 | Injection, rituximab, 10 mg | 2,833 | 21 | $0 |
Insurance plans in this area (ZIP 30501)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | GA | |
| R H E U M A T O L O G Y | GA | |
| R H E U M A T O L O G Y | GA | |
| Physician Assistant | GA | |
| R H E U M A T O L O G Y | GA | |
| Internal Medicine, Rheumatology | SC | |
| Nurse Practitioner | GA | |
| Nurse Practitioner | PA | |
| R H E U M A T O L O G Y | GA | |
| R H E U M A T O L O G Y | GA |
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