DR. MARCUS ANTONIO WALTON (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1295962603
Critical Care Medicine (Internal Medicine) Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,335 ANESTHESIOLOGY in GA
Provider Addresses for DR. MARCUS ANTONIO WALTON (M.D.)
1000 Johnson Fy Rd NE
Atlanta, GA 303421606
Phone: (404) 851-8000
Fax: (404) 303-3759
Type: Location
10131 Forest Hill Blvd
Wellington, FL 334146156
Phone: (561) 766-1300
Fax: (561) 693-0539
Type: Location
10131, Forest Hill Boulevard, Polo Lakes Apartments, Wellington, Palm Beach County, Florida, 33414, United States
WELLINGTON, FL 334146156
Phone: (561) 766-1300
Fax: (561) 693-0539
Type: Location
100, Parkview Avenue, The Myrtles, Park View Historic District, Portsmouth, Virginia, 23704, United States
PORTSMOUTH, VA 237041932
Phone: (404) 374-5867
Type: Mailing
620 JHN PAUL JNS CIR
PORTSMOUTH, VA 237082111
Phone: (757) 953-3149
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $136.
Total Amount is formed as General ($136) + Research ($0) + Ownership ($0) = $136.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: ABIOMED ($110).
Total Amount
$136
General + Research + Ownership
Payments
2
Total payment records
General Amount
$136
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABIOMED | $110 |
| Chiesi USA, Inc. | $26 |
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: 2020-04-27
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20191105000526 | I | Anesthesiology | FL | TBD |
| I20200427002002 | I | Anesthesiology | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 181 | 103 | $0 |
| 99291 | Critical care, first 30-74 minutes | 141 | 77 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 32 | 31 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 27 | 27 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 30342)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Internal Medicine, Critical Care (Intensivists), Critical Care (Intensivists) | FL | |
| Physician Assistant | VT | |
| Internal Medicine | NY | |
| Nurse Practitioner | VA | |
| Pulmonary Disease, Internal Medicine | OK | |
| - | SC | |
| - | VA | |
| Pulmonary Disease, Critical Care (Intensivists) | GA | |
| - | FL | |
| Physician Assistant | OH |
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