DR. MICHAEL E. OBENSHAIN (MD) – Internal Medicine Physician, NPI 1528153723
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 E. OBENSHAIN (MD)
PO BOX 102321
ATLANTA, GA 303682321
Phone:
Type: Mailing
Shakerag Hill, Robinson Wood Estates, Shake Rag, Peachtree City, Fayette County, Georgia, 30269, United States
PEACHTREE CITY, GA 302694047
Phone: (770) 486-7100
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 $37.
Total Amount is formed as General ($37) + Research ($0) + Ownership ($0) = $37.
Last reported payment date: 2024-10-03 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($24).
Total Amount
$37
General + Research + Ownership
Payments
2
Total payment records
General Amount
$37
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $24 |
| Currax Pharmaceuticals LLC | $14 |
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: 2004-11-22
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 |
|---|---|---|---|---|
| I20041122000147 | 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 | 921 | 583 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 716 | 514 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 497 | 497 | $0 |
| 83036 | Hemoglobin a1c level | 303 | 180 | $0 |
| G0008 | Administration of influenza virus vaccine | 151 | 148 | $0 |
Insurance plans in this area (ZIP 30368)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | GA | |
| - | GA | |
| Nurse Practitioner | GA | |
| Diagnostic Radiology | GA | |
| Nurse Practitioner | GA | |
| Internal Medicine | GA | |
| Internal Medicine, Allergy/Immunology | GA | |
| General Practice | GA | |
| Nurse Practitioner | GA | |
| Internal Medicine | GA |
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