Doctor profile · Federal record
Dr. Helen Mashek, MD
Dermatology Physician (CMS: Dermatology) · Newark, DE
- NPI 1023012515
- Accepts Medicare
- MIPS 75.6 / 100 · 2023
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
537 Stanton Christiana RD, Suite # 207
Newark, DE 197132146
(302) 633-7550
fax (302) 633-7556
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- May 24, 2016
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State license (1)
- Delaware #C10004790
- Medicaid
- DE #0000709401
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023012515. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
9,238
Distinct HCPCS
10
Medicare allowed
$545,358
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 3,196 | 569 | $7 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,825 | 1,356 | $90 | |
17000 |
Destruction of precancer skin growth, 1 growth | 1,079 | 805 | $51 | |
17110 |
Destruction of skin growth, 1-14 growths | 717 | 573 | $112 | |
11102 |
Biopsy of related skin growth, first growth | 637 | 533 | $89 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 591 | 502 | $57 | |
11103 |
Biopsy of related skin growth, each additional growth | 226 | 147 | $51 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 119 | 94 | $172 | |
96910 |
Therapy procedure using ultraviolet radiation with tar or petroleum jelly application | 116 | 35 | $120 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 116 | 87 | $128 |
In context: peer comparison
Among 2 peers in Newark Dermatology Physician, average services per provider: 619. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$1,695
Transactions
78
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Dermavant Sciences, INC. | 15 | $324.65 | |
| Ucb, INC. | 7 | $224.69 | |
| E.R. Squibb & Sons, L.L.C. | 11 | $189.89 | |
| Abbvie INC. | 11 | $179.68 | |
| Janssen Biotech, INC. | 4 | $156.20 | |
| Novartis Pharmaceuticals Corporation | 6 | $104.21 | |
| Arcutis Biotherapeutics, INC. | 6 | $100.02 | |
| Amgen INC. | 4 | $98.65 | |
| Pfizer INC. | 5 | $91.09 | |
| Incyte Corporation | 2 | $47.76 | |
| Regeneron Healthcare Solutions, INC. | 2 | $35.95 | |
| Ortho Dermatologics, A Division of Bausch Health US, LLC | 2 | $30.42 | |
| Mallinckrodt Hospital Products INC. | 1 | $26.54 | |
| Lilly USA, LLC | 1 | $19.42 | |
| Krystal Biotech INC | 1 | $18.77 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
740
Patients
462
Total drug cost
$31,160
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ketoconazole | Generic | 161 | 97 | $3,371 |
| Hydrocortisone | Generic | 142 | 118 | $1,220 |
| Mupirocin | Generic | 66 | 48 | $489 |
| Triamcinolone Acetonide | Generic | 66 | 49 | $641 |
| Clobetasol Propionate | Generic | 48 | 34 | $3,047 |
| Doxycycline Hyclate | Generic | 44 | 23 | $1,261 |
| Clindamycin Phosphate | Generic | 37 | 19 | $1,512 |
| Minoxidil | Generic | 31 | 0 | $249 |
| Metronidazole | Generic | 27 | 19 | $2,400 |
| Ammonium Lactate | Generic | 26 | 20 | $449 |
Frequently asked questions
What is Dr. Helen Mashek's medical specialty?
Dr. Helen Mashek practices Dermatology Physician in Newark, DE.
Where does Dr. Helen Mashek practice?
Dr. Helen Mashek practices at 537 Stanton Christiana RD, Newark, DE 197132146. Office phone: 3026337550.
What is Dr. Helen Mashek's NPI?
Dr. Helen Mashek's National Provider Identifier (NPI) is 1023012515, issued by NPPES.
Does Dr. Helen Mashek accept Medicare assignment?
Yes. Dr. Helen Mashek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Helen Mashek commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.