Doctor profile · Federal record
Dr. Joseph Karnish, D. O.
Family Medicine Physician (CMS: Family Practice) · Georgetown, DE
- NPI 1427002690
- Accepts Medicare
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
505 W Market St, Suite 110
Georgetown, DE 199472344
(302) 856-7099
fax (302) 856-3247
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- November 12, 2013
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Delaware #C20003297
- Medicaid (2)
- DE #0000030403 · DE #0000133204
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427002690. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,031
Distinct HCPCS
10
Medicare allowed
$64,137
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 332 | 222 | $70 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 151 | 128 | $95 | |
83036 |
Hemoglobin a1c level | 141 | 121 | $9 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 125 | 125 | $61 | |
G0008 |
Administration of influenza virus vaccine | 78 | 76 | $31 | |
90662 |
Influenza vaccine split virus, preservative free | 73 | 71 | $72 | |
G0009 |
Administration of pneumococcal vaccine | 24 | 24 | $31 | |
81003 |
Automated urinalysis test | 23 | 19 | $2 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 22 | 22 | $282 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 21 | 20 | $14 |
In context: peer comparison
Among 3 peers in Georgetown Family Medicine Physician, average services per provider: 80. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$154
Transactions
8
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 3 | $52.82 | |
| Pfizer INC. | 1 | $27.35 | |
| Abbvie INC. | 1 | $22.64 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $18.95 | |
| Phathom Pharmaceuticals, INC. | 1 | $17.02 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $14.90 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,457
Patients
1,013
Total drug cost
$56,014
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 495 | 136 | $7,873 |
| Lisinopril | Generic | 317 | 84 | $2,965 |
| Levothyroxine Sodium | Generic | 265 | 63 | $2,792 |
| Gabapentin | Generic | 261 | 66 | $6,514 |
| Losartan Potassium | Generic | 259 | 73 | $4,174 |
| Pantoprazole Sodium | Generic | 249 | 70 | $4,690 |
| Amlodipine Besylate | Generic | 247 | 80 | $1,917 |
| Rosuvastatin Calcium | Generic | 228 | 63 | $7,318 |
| Fluticasone Propionate | Generic | 186 | 89 | $3,081 |
| Lorazepam | Generic | 180 | 47 | $1,590 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Karnish's medical specialty?
Dr. Joseph Karnish practices Family Medicine Physician in Georgetown, DE.
Where does Dr. Joseph Karnish practice?
Dr. Joseph Karnish practices at 505 W Market St, Georgetown, DE 199472344. Office phone: 3028567099.
What is Dr. Joseph Karnish's NPI?
Dr. Joseph Karnish's National Provider Identifier (NPI) is 1427002690, issued by NPPES.
Does Dr. Joseph Karnish accept Medicare assignment?
Yes. Dr. Joseph Karnish accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Karnish commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.