Dermatology · Clay, NY
NPI
1710419379
Since 2017
Specialty
Dermatology
Code 207N00000X
Group practices
1
Medicare group memberships
Hospitals
1
Hospital affiliations
4106 Route 31 # 904
Clay, NY, 13041
Phone (315) 500-3376
Groups this clinician bills Medicare through
Medicare paid, 2024
$142K
2,773 services
Medicare patients, 2024
385
Average age 74
Drug cost, 2024
$570K
1,537 prescriptions
Company payments, 2025
$2,139
From 17 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Mark M Ash was code 17003 (destruction skin lesion), 792 times for 136 patients. In total Mark M Ash billed 2,773 services in 64 codes, and Medicare paid $142K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-01-23.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 17003 Destruction Skin Lesion | Office | 792 | 136 | $4.93 | $3,902 |
| 99214 Office E&M - Established | Office | 548 | 305 | $84.91 | $47K |
| 17110 Destruction Skin Lesion | Office | 271 | 195 | $72.28 | $20K |
| 17000 Destruction Skin Lesion | Office | 270 | 187 | $31.64 | $8,543 |
| G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's | Office | 191 | 125 | $11.92 | $2,277 |
| 99213 Office E&M - Established | Office | 146 | 111 | $58.17 | $8,492 |
| 11102 Skin Biopsy | Office | 84 | 66 | $50.18 | $4,215 |
| 99215 Office E&M - Established | Office | 53 | 19 | $130.75 | $6,930 |
| 17004 Destruction Skin Lesion | Office | 46 | 28 | $122.49 | $5,635 |
| 99204 Office E&M - New | Office | 36 | 36 | $83.18 | $2,995 |
| 11301 Removal or Shaving of Skin Growth | Office | 33 | 28 | $84.53 | $2,789 |
| 11300 Removal or Shaving of Skin Growth | Office | 28 | 27 | $47.51 | $1,330 |
| 11103 Skin Biopsy | Office | 19 | 12 | $37.91 | $720 |
| 17263 Destruction Skin Lesion | Office | 18 | 13 | $115.53 | $2,079 |
| 11602 Skin Lesion Excision | Office | 15 | 14 | $92.29 | $1,384 |
By year: 2022 $128K for 5,493 services; 2023 $155K for 3,692 services; 2024 $142K for 2,773 services.
Medicare prescription drug claims, 2024
In 2024, the drug Mark M Ash prescribed most often to Medicare patients was Ketoconazole, with 251 prescriptions and refills. In total Mark M Ash wrote 1,537 Medicare prescriptions that cost $570K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Ketoconazole Generic | 251 | 267 | 118 | $3,267 |
| Clobetasol Propionate Generic | 199 | 209 | 114 | $8,036 |
| Mupirocin Generic | 166 | 171 | 123 | $1,295 |
| Fluorouracil Generic | 116 | 129 | 92 | $8,356 |
| Triamcinolone Acetonide Generic | 115 | 122 | 88 | $1,023 |
| Tacrolimus Generic | 73 | 77 | 51 | $8,028 |
| Ciclopirox Generic | 64 | 80 | 35 | $2,313 |
| Prednisone Generic | 51 | 56 | 17 | $277 |
| Doxycycline Hyclate Generic | 43 | 45 | 29 | $858 |
| Dupixent Pen Dupilumab | 39 | 44 | Under 11 | $166K |
| Metronidazole Generic | 36 | 36 | 26 | $1,722 |
| Adbry Tralokinumab-Ldrm | 32 | 32 | Under 11 | $121K |
| Valacyclovir Valacyclovir Hcl | 30 | 32 | 17 | $266 |
| Clindamycin Hcl Generic | 22 | 22 | 18 | $121 |
| Nystatin Generic | 20 | 23 | 15 | $273 |
Brand drugs: 165 claims; generic drugs: 1,372 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Mark M Ash $2,139 ($2,139 in general payments such as food, travel and fees) from 17 companies. The largest payer was Incyte Corporation with $258.
| Company | Payments | Amount |
|---|---|---|
| Incyte Corporation INCY | 11 | $258 |
| Janssen Biotech, Inc. JNJ | 11 | $256 |
| Regeneron Healthcare Solutions, Inc. REGN | 10 | $249 |
| Genzyme Corporation SNY | 6 | $236 |
| Abbvie Inc. ABBV | 12 | $233 |
| UCB, Inc. UCB.BR | 6 | $178 |
| Novartis Pharmaceuticals Corporation NVS | 8 | $159 |
| Galderma Laboratories, L.P. GALD.SW | 5 | $106 |
| Sun Pharmaceutical Industries Inc. SUNPHARMA.NS | 4 | $78.34 |
| Arcutis Biotherapeutics, Inc. ARQT | 4 | $71.45 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.