DR. JOHN LEATHERBURY ALLEN (M.D.) – Internal Medicine Physician, NPI 1639495492
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,282 HOSPITALIST in GA
Provider Addresses for DR. JOHN LEATHERBURY ALLEN (M.D.)
3853 BYRNWYCK PL NE
BROOKHAVEN, GA 303191658
Phone: (251) 533-8739
Mailing address matches the actual address.
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 $14.
Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.
Last reported payment date: 2023-03-10 • Largest payer in this snapshot: Sun Pharmaceutical Industries Inc. ($14).
Total Amount
$14
General + Research + Ownership
Payments
1
Total payment records
General Amount
$14
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-03-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sun Pharmaceutical Industries Inc. | $14 |
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: 2016-08-24
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 |
|---|---|---|---|---|
| I20160824001726 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 41 | 41 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $0 |
Insurance plans in this area (ZIP 30319)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| Internal Medicine | GA | |
| Physician Assistant | FL | |
| Interventional Radiology, Diagnostic Radiology | KY | |
| Anesthesiology Assistant | GA | |
| - | CA | |
| D E R M A T O L O G Y | GA | |
| Interventional Radiology, Diagnostic Radiology | NC | |
| Physician Assistant | GA | |
| - | GA |
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