MARCUS K. WELDON (MD) – Hematology & Oncology Physician, NPI 1942689286
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
348 HEMATOLOGY/ONCOLOGY in GA
Provider Addresses for MARCUS K. WELDON (MD)
777 HEMLOCK ST
MSC 69
MACON, GA 312012102
Phone: (478) 633-1700
Fax: (478) 633-7032
Type: Mailing
800 1ST ST STE 410
MACON, GA 312018306
Phone: (478) 743-7068
Fax: (478) 741-1354
Type: Mailing
114 Sutherlin Dr Ste C-1
Warner Robins, GA 310882259
Phone: (478) 743-7068
Fax: (478) 741-1354
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 285 Open Payments records for all available years, with a total value of $6,500.
Total Amount is formed as General ($6,500) + Research ($0) + Ownership ($0) = $6,500.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Novartis Pharmaceuticals Corporation ($929).
Total Amount
$6,500
General + Research + Ownership
Payments
285
Total payment records
General Amount
$6,500
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novartis Pharmaceuticals Corporation | $929 |
| PFIZER INC. | $381 |
| Seagen Inc. | $251 |
| Daiichi Sankyo Inc. | $194 |
| Regeneron Healthcare Solutions, Inc. | $192 |
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: 2021-05-11
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 |
|---|---|---|---|---|
| I20210511001975 | I | Hematology/Oncology | 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 |
|---|---|---|---|---|
| J1439 | Injection, ferric carboxymaltose, 1 mg | 50,250 | 43 | $0 |
| J9271 | Injection, pembrolizumab, 1 mg | 20,800 | 55 | $0 |
| J9144 | Injection, daratumumab, 10 mg and hyaluronidase-fihj | 12,420 | 21 | $0 |
| J1453 | Injection, fosaprepitant, 1 mg | 11,700 | 48 | $0 |
| J9267 | Injection, paclitaxel, 1 mg | 11,248 | 34 | $0 |
Insurance plans in this area (ZIP 31201)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IN | |
| H E M A T O L O G Y/ O N C O L O G Y | DE | |
| Nurse Practitioner | NC | |
| Nurse Practitioner | FL | |
| P A T H O L O G Y | FL | |
| Nurse Practitioner | KS | |
| - | MO | |
| Nurse Practitioner | MD | |
| - | GA | |
| - | FL |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.