DR. MARK MCELHANNON (M.D.) – Family Medicine Physician, NPI 1083675086
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,281 HOSPITALIST in GA
Provider Addresses for DR. MARK MCELHANNON (M.D.)
Wellstar Atlanta Medical Center, 303, Parkway Drive Northeast, Sweet Auburn, Atlanta, Fulton County, Georgia, 30312, United States
SUITE 418
ATLANTA, GA 303121212
Phone: (404) 265-6371
Fax: (404) 265-3505
Type: Mailing
1000 CORPORATE CENTER DR
SUITE 200
MORROW, GA 302604180
Phone: (770) 968-6464
Fax: (770) 968-6455
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 $50.
Total Amount is formed as General ($50) + Research ($0) + Ownership ($0) = $50.
Last reported payment date: 2023-06-28 • Largest payer in this snapshot: bioMerieux Inc ($34).
Total Amount
$50
General + Research + Ownership
Payments
2
Total payment records
General Amount
$50
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| bioMerieux Inc | $34 |
| Janssen Pharmaceuticals, 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: 2005-12-19
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 |
|---|---|---|---|---|
| I20051219000875 | I | Hospitalist | TX | 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 | 361 | 180 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 160 | 150 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 139 | 134 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 129 | 76 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 21 | 21 | $0 |
Insurance plans in this area (ZIP 30312)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine, Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine | TX | |
| Family Practice | TX | |
| Nurse Practitioner | NM | |
| Internal Medicine, Hospitalist | OK | |
| Internal Medicine | LA | |
| Nurse Practitioner | TX | |
| Internal Medicine | AZ |
Reviews
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