DR. MICHAEL J SINEWAY (MD) – Internal Medicine Physician, NPI 1962488080
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,405 INTERNAL MEDICINE in GA
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Provider Addresses for DR. MICHAEL J SINEWAY (MD)
631, Professional Drive, Lawrenceville, Gwinnett County, Georgia, 30046, United States
SUITE 350
LAWRENCEVILLE, GA 300463367
Phone: (770) 995-0630
Fax: (770) 995-1555
Type: Location
121 LANGLEY DR
LAWRENCEVILLE, GA 300466930
Phone: (770) 685-1300
Fax: (770) 685-1311
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 88 Open Payments records for all available years, with a total value of $1,742.
Total Amount is formed as General ($1,742) + Research ($0) + Ownership ($0) = $1,742.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Bayer Healthcare Pharmaceuticals Inc. ($383).
Total Amount
$1,742
General + Research + Ownership
Payments
88
Total payment records
General Amount
$1,742
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $383 |
| GlaxoSmithKline, LLC. | $306 |
| Amgen Inc. | $245 |
| AstraZeneca Pharmaceuticals LP | $170 |
| Insmed, Inc. | $164 |
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: 2010-10-21
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 |
|---|---|---|---|---|
| I20101021000222 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 492 | 290 | $0 |
| 99458 | Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 109 | 59 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 92 | 33 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 73 | 61 | $0 |
| 94729 | Test to examine how well the lungs exchange gases | 70 | 68 | $0 |
Insurance plans in this area (ZIP 30046)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | GA | |
| Nurse Practitioner | GA | |
| - | GA | |
| - | GA | |
| Internal Medicine | GA |
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