DR. JOHN ATTOKAREN (M.D.) – Cardiovascular Disease Physician, NPI 1831297423
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. JOHN ATTOKAREN (M.D.)
11600 ATLANTIS PLACE
SUITE B
ALPHARETTA, GA 30022
Phone: (770) 664-4449
Fax: (770) 777-6496
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 3 Open Payments records for all available years, with a total value of $203.
Total Amount is formed as General ($203) + Research ($0) + Ownership ($0) = $203.
Last reported payment date: 2023-08-03 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($190).
Total Amount
$203
General + Research + Ownership
Payments
3
Total payment records
General Amount
$203
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-08-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $190 |
| Novartis Pharmaceuticals Corporation | $13 |
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: 2005-03-15
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 |
|---|---|---|---|---|
| I20050315000190 | I | Cardiovascular Disease (Cardiology) | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 795 | 356 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 237 | 208 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 115 | 115 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 55 | 41 | $0 |
| 93356 | Heart muscle strain imaging | 39 | 39 | $0 |
Insurance plans in this area (ZIP 30022)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology) | GA | |
| Cardiovascular Disease (Cardiology), Cardiac Electrophysiology | GA | |
| - | GA | |
| Nurse Practitioner | GA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | GA | |
| Cardiovascular Disease (Cardiology) | GA | |
| Physician Assistant | OH | |
| Physician Assistant | GA | |
| Cardiovascular Disease (Cardiology) | GA | |
| Nurse Practitioner | GA |
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