JOHN L JR. HEMMER (M.D) – Orthopaedic Surgery Physician, NPI 1518958784
Orthopaedic Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
933 ORTHOPEDIC SURGERY in GA
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Provider Addresses for JOHN L JR. HEMMER (M.D)
300, Jesse Jewell Parkway Southeast, Gainesville, Hall County, Georgia, 30501, United States
GAINESVILLE, GA 305013861
Phone: (770) 534-7200
Type: Mailing
Jesse Jewell Parkway Southeast, Gainesville, Hall County, Georgia, 30501, United States
SUITE 300
GAINESVILLE, GA 305013862
Phone: (770) 532-7202
Fax: (770) 536-2767
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $40.
Total Amount is formed as General ($40) + Research ($0) + Ownership ($0) = $40.
Last reported payment date: 2024-08-23 • Largest payer in this snapshot: DePuy Synthes Sales Inc. ($40).
Total Amount
$40
General + Research + Ownership
Payments
1
Total payment records
General Amount
$40
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| DePuy Synthes Sales Inc. | $40 |
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: 2004-10-06
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 |
|---|---|---|---|---|
| I20041006001144 | I | Orthopedic Surgery | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 244 | 139 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 76 | 23 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 60 | 35 | $0 |
| 72100 | X-ray of lower and sacral spine, 2-3 views | 53 | 50 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 44 | 39 | $0 |
Insurance plans in this area (ZIP 30501)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | GA | |
| Orthopedic Surgery | GA | |
| Physician Assistant | GA | |
| Physician Assistant | GA | |
| - | GA | |
| Orthopedic Surgery | GA | |
| Physician Assistant | GA | |
| Physician Assistant | GA | |
| Nurse Practitioner | GA | |
| Orthopedic Surgery | FL |
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