MICHAEL D SIMPSON (M.D.) – Internal Medicine Physician, NPI 1205823184
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,409 INTERNAL MEDICINE in GA
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Provider Addresses for MICHAEL D SIMPSON (M.D.)
4480, North Cooper Lake Road Southeast, Smyrna, Cobb County, Georgia, 30080, United States
SMYRNA, GA 300824622
Phone: (770) 333-1300
Fax: (770) 432-8312
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 2 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: 2023-10-29 • Largest payer in this snapshot: Inari Medical, Inc. ($23).
Total Amount
$40
General + Research + Ownership
Payments
2
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
2023-10-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $23 |
| ABBVIE INC. | $17 |
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: 2005-02-10
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 |
|---|---|---|---|---|
| I20050210000278 | I | Internal Medicine | 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 | 207 | 184 | $0 |
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 140 | 13 | $0 |
| 87428 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 104 | 99 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 84 | 78 | $0 |
| 81003 | Automated urinalysis test | 39 | 35 | $0 |
Insurance plans in this area (ZIP 30082)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | GA | |
| - | GA | |
| - | GA | |
| R H E U M A T O L O G Y | MI | |
| Hospitalist, Internal Medicine | GA | |
| Nurse Practitioner | TN | |
| Family Practice | GA | |
| Physician Assistant | GA | |
| Physician Assistant | GA | |
| Hospitalist, Internal Medicine | GA |
Reviews
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