Doctor profile · Federal record
Dr. Mark Wallis, M.D.
Mohs-Micrographic Surgery Physician (CMS: Dermatology) · Dermatology Physician · Dermatopathology Physician · Clinical & Laboratory Dermatological Immunology Physician · Pediatric Dermatology Physician · Procedural Dermatology Physician · Longview, TX
- NPI 1861489049
- Accepts Medicare
- MIPS 88.5 / 100 · 2023
- 38 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3535 N Fourth St Ste 400
Longview, TX 756050038
(903) 757-3881
fax (903) 757-5948
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207ND0101X — NUCC code
- State license (1)
- Texas #H6685
- Medicaid
- TX #0898678-03
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861489049. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,452
Distinct HCPCS
10
Medicare allowed
$579,995
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7345 |
Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg | 3,000 | 11 | $2 | |
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 1,864 | 1,147 | $69 | |
17003 |
Destruction of precancer skin growth, 2-14 growths | 1,304 | 199 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 386 | 293 | $87 | |
17000 |
Destruction of precancer skin growth, 1 growth | 312 | 234 | $49 | |
17311 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 285 | 222 | $595 | |
17312 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 143 | 96 | $395 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 128 | 116 | $41 | |
11102 |
Biopsy of related skin growth, first growth | 114 | 100 | $81 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 113 | 94 | $124 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 206. This provider delivers 41× the peer median.Open Payments
Industry payments received
All-time total
$2,136
Transactions
110
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 30 | $399.23 | |
| GENZYME CORPORATION | 12 | $296.50 | |
| Regeneron Healthcare Solutions, Inc. | 10 | $278.15 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 9 | $187.20 | |
| Janssen Biotech, Inc. | 3 | $157.18 | |
| PFIZER INC. | 13 | $150.04 | |
| Lilly USA, LLC | 7 | $113.03 | |
| STRATA Skin Sciences, Inc. | 2 | $100.84 | |
| E.R. Squibb & Sons, L.L.C. | 6 | $92.10 | |
| Galderma Laboratories, L.P. | 5 | $78.01 | |
| Incyte Corporation | 3 | $62.02 | |
| Novartis Pharmaceuticals Corporation | 3 | $54.32 | |
| LEO Pharma Inc. | 2 | $53.94 | |
| UCB, Inc. | 3 | $49.16 | |
| Ortho Dermatologics, a division of Bausch Health US, LLC | 2 | $28.56 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
548
Patients
358
Total drug cost
$89,846
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Betamethasone Dipropionate | Generic | 93 | 52 | $5,387 |
| Cephalexin | Generic | 73 | 69 | $365 |
| Mometasone Furoate | Generic | 66 | 47 | $1,575 |
| Lorazepam | Generic | 50 | 48 | $46 |
| Triamcinolone Acetonide | Generic | 39 | 25 | $564 |
| Doxycycline Hyclate | Generic | 38 | 17 | $1,184 |
| Ketoconazole | Generic | 26 | 13 | $440 |
| Methotrexate (Methotrexate Sodium) | Brand | 24 | 0 | $409 |
| Dupixent Pen (Dupilumab) | Brand | 21 | 0 | $78,192 |
| Minocycline Hcl | Generic | 21 | 15 | $939 |
Frequently asked questions
What is Dr. Mark Wallis's medical specialty?
Dr. Mark Wallis practices Mohs-Micrographic Surgery Physician in Longview, TX.
Where does Dr. Mark Wallis practice?
Dr. Mark Wallis practices at 3535 N Fourth St Ste 400, Longview, TX 756050038. Office phone: 9037573881.
What is Dr. Mark Wallis's NPI?
Dr. Mark Wallis's National Provider Identifier (NPI) is 1861489049, issued by NPPES.
Does Dr. Mark Wallis accept Medicare assignment?
Yes. Dr. Mark Wallis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Wallis commonly perform?
Top Medicare-reported procedures in 2023: Aminolevulinic acid hcl for topical administration, 10% gel, 10 mg (HCPCS J7345); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Destruction of precancer skin growth, 2-14 growths (HCPCS 17003). Source: CMS Medicare Physician & Other Practitioners file.