Doctor profile · Federal record
Dr. William Farmer, MD
Dermatology Physician (CMS: Dermatology) · Dermatology Physician · Mohs-Micrographic Surgery Physician · Knightdale, NC
- NPI 1396242244
- Accepts Medicare
- 8 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6807 Knightdale Blvd Ste C
Knightdale, NC 275456563
(919) 217-5510
fax (919) 217-5501 - Additional location
-
2613 Hospital RD
Goldsboro, NC 275349424
(919) 736-0222
fax (919) 736-0223 - Additional location
-
7560 Carpenter Fire Station RD Ste 204
Cary, NC 275199637
(919) 439-4206
fax (919) 439-9375 - Mailing address
-
801 York St
Manitowoc, WI 542204630
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- March 19, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State licenses (2)
- North Carolina #202400764 · Alabama #MD.44360
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396242244. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,334
Distinct HCPCS
10
Medicare allowed
$220,988
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 1,406 | 229 | $6 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 448 | 396 | $83 | |
17000 |
Destruction of precancer skin growth, 1 growth | 328 | 292 | $48 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 195 | 169 | $117 | |
11102 |
Biopsy of related skin growth, first growth | 170 | 164 | $82 | |
17110 |
Destruction of skin growth, 1-14 growths | 169 | 160 | $100 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 109 | 109 | $103 | |
11103 |
Biopsy of related skin growth, each additional growth | 83 | 45 | $43 | |
17004 |
Destruction of precancer skin growth, 15 or more growths | 76 | 69 | $152 | |
17311 |
Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 64 | 56 | $511 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 121. This provider delivers 28× the peer median.Open Payments
Industry payments received
All-time total
$1,212
Transactions
48
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GENZYME CORPORATION | 6 | $200.30 | |
| Regeneron Healthcare Solutions, Inc. | 7 | $170.24 | |
| ABBVIE INC. | 10 | $163.86 | |
| Kerecis Limited | 3 | $142.61 | |
| E.R. Squibb & Sons, L.L.C. | 5 | $115.05 | |
| SUN PHARMACEUTICAL INDUSTRIES INC. | 4 | $103.90 | |
| Amgen Inc. | 2 | $50.77 | |
| Janssen Biotech, Inc. | 2 | $49.97 | |
| UCB, Inc. | 2 | $43.81 | |
| Lilly USA, LLC | 2 | $34.82 | |
| Novartis Pharmaceuticals Corporation | 1 | $28.62 | |
| Smith+Nephew, Inc. | 1 | $26.76 | |
| LEO Pharma Inc. | 1 | $25.01 | |
| Genentech USA, Inc. | 1 | $21.21 | |
| Biofrontera Inc. | 1 | $18.19 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,067
Patients
783
Total drug cost
$32,821
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mupirocin | Generic | 217 | 193 | $1,879 |
| Triamcinolone Acetonide | Generic | 147 | 105 | $2,156 |
| Doxycycline Hyclate | Generic | 142 | 123 | $1,658 |
| Ketoconazole | Generic | 122 | 77 | $3,026 |
| Clobetasol Propionate | Generic | 109 | 70 | $7,792 |
| Minocycline Hcl | Generic | 67 | 47 | $1,419 |
| Terbinafine Hcl | Generic | 43 | 23 | $497 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 40 | 16 | $990 |
| Fluorouracil | Generic | 39 | 32 | $7,840 |
| Dutasteride | Generic | 32 | 12 | $1,675 |
Frequently asked questions
What is Dr. William Farmer's medical specialty?
Dr. William Farmer practices Dermatology Physician in Knightdale, NC.
Where does Dr. William Farmer practice?
Dr. William Farmer practices at 6807 Knightdale Blvd Ste C, Knightdale, NC 275456563. Office phone: 9192175510.
What is Dr. William Farmer's NPI?
Dr. William Farmer's National Provider Identifier (NPI) is 1396242244, issued by NPPES.
Does Dr. William Farmer accept Medicare assignment?
Yes. Dr. William Farmer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Farmer 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.