DR. MARK S WALLIS (M.D.) – MOHS-Micrographic Surgery Physician, NPI 1861489049
MOHS-Micrographic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,284 DERMATOLOGY in TX
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Provider Addresses for DR. MARK S WALLIS (M.D.)
Wallis Dermatology Associates, 6, Doctor Circle, Longview, Gregg County, Texas, 75605, United States
LONGVIEW, TX 756055050
Phone: (903) 757-3881
Fax: (903) 757-5948
Type: Mailing
3535 N FOURTH ST STE 400
LONGVIEW, TX 756050038
Phone: (903) 757-3881
Fax: (903) 757-5948
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 197 Open Payments records for all available years, with a total value of $3,752.
Total Amount is formed as General ($3,752) + Research ($0) + Ownership ($0) = $3,752.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($719).
Total Amount
$3,752
General + Research + Ownership
Payments
197
Total payment records
General Amount
$3,752
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-06-10
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 |
|---|---|---|---|---|
| I20100610000658 | I | Dermatology | 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 |
|---|---|---|---|---|
| J7345 | Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg | 3,000 | 11 | $0 |
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 1,864 | 1,147 | $0 |
| 17003 | Destruction of precancer skin growth, 2-14 growths | 1,304 | 199 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 386 | 293 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 312 | 234 | $0 |
Insurance plans in this area (ZIP 75605)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | TX | 11101 | Biopsy of each additional growth of skin and/or tissue | 90 | 60 |
| DERMATOLOGY | TX | 13132 | Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet | 39 | 39 |
| DERMATOLOGY | TX | 14060 | Tissue transfer repair of wound (10 sq centimeters or less) of eyelids, nose, ears, and/or lips | 28 | 28 |
| DERMATOLOGY | TX | 17003 | Destruction of 2-14 skin growths | 3450 | 468 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| D E R M A T O L O G Y | TX | |
| D E R M A T O L O G Y | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| D E R M A T O L O G Y | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| D E R M A T O L O G Y | TX |
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