DR. MARK IRWIN HARRIS (M.D.) – Specialist, NPI 1649262577
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. MARK IRWIN HARRIS (M.D.)
6300, Hospital Parkway, Johns Creek, Georgia, 30097, United States
SUITE 260
JOHNS CREEK, GA 300971828
Phone: (770) 454-4685
Fax: (770) 454-4690
Type: Mailing
3890 Johns Creek Pkwy Ste 210
Johns Creek, GA 300245647
Phone: (770) 454-4685
Fax: (404) 250-7366
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 192 Open Payments records for all available years, with a total value of $6,725.
Total Amount is formed as General ($6,725) + Research ($0) + Ownership ($0) = $6,725.
Last reported payment date: 2024-08-29 • Largest payer in this snapshot: Lilly USA, LLC ($2,488).
Total Amount
$6,725
General + Research + Ownership
Payments
192
Total payment records
General Amount
$6,725
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $2,488 |
| ABBVIE INC. | $805 |
| Biogen, Inc. | $366 |
| Eisai Inc. | $313 |
| PFIZER INC. | $190 |
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: 2006-03-02
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 |
|---|---|---|---|---|
| I20060302000153 | I | Neurology | 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 | 301 | 223 | $0 |
| 96138 | Administration of psychological or neuropsychological test by technician, first 30 minutes | 200 | 193 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 109 | 86 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 85 | 85 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 48 | 47 | $0 |
Insurance plans in this area (ZIP 30097)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROLOGY | GA | 95819 | Measurement and recording of brain wave (EEG) activity, awake and asleep | 40 | 40 |
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