Doctor profile · Federal record
Dr. Catherine Teskin, DO
Student in an Organized Health Care Education/Training Program (CMS: Internal Medicine) · Newark, DE
- NPI 1770089112
- Accepts Medicare
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
Christiana Hospital 4755 Ogletown-Stanton RD
Newark, DE 197180001
(302) 320-4411 - Additional location
-
501 W 14Th St
Wilmington, DE 198011013 - Mailing address
-
501 W 14Th St
Wilmington, DE 198011013
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 390200000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770089112. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
87
Distinct HCPCS
4
Medicare allowed
$8,474
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 37 | 33 | $95 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 22 | $64 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $126 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $129 |
In context: peer comparison
Among 4 peers in Newark Student in an Organized Health Care Education/Training Program, average services per provider: 81. This provider delivers 1.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
242
Patients
109
Total drug cost
$166,653
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxychloroquine Sulfate | Generic | 44 | 23 | $2,077 |
| Prednisone | Generic | 42 | 28 | $604 |
| Methotrexate (Methotrexate Sodium) | Brand | 34 | 22 | $1,344 |
| Alendronate Sodium | Generic | 22 | 13 | $200 |
| Azathioprine | Generic | 16 | 0 | $1,091 |
| Allopurinol | Generic | 15 | 12 | $224 |
| Diclofenac Sodium | Generic | 15 | 11 | $593 |
| Humira Pen (Adalimumab) | Brand | 15 | 0 | $157,909 |
| Omeprazole | Generic | 14 | 0 | $312 |
| Folic Acid | Generic | 13 | 0 | $45 |
Hospital affiliations
Frequently asked questions
What is Dr. Catherine Teskin's medical specialty?
Dr. Catherine Teskin practices Student in an Organized Health Care Education/Training Program in Newark, DE.
Where does Dr. Catherine Teskin practice?
Dr. Catherine Teskin practices at Christiana Hospital 4755 Ogletown-Stanton RD, Newark, DE 197180001. Office phone: 3023204411.
What is Dr. Catherine Teskin's NPI?
Dr. Catherine Teskin's National Provider Identifier (NPI) is 1770089112, issued by NPPES.
Does Dr. Catherine Teskin accept Medicare assignment?
Yes. Dr. Catherine Teskin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Teskin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.