Doctor profile · Federal record
Dr. Kathryn Pennington, M.D.
Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Obstetrics & Gynecology Physician · Seattle, WA
- NPI 1336265511
- Accepts Medicare
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
825 Eastlake Ave E
Seattle, WA 981094405
(206) 228-1000 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- August 13, 2015
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207VX0201X — NUCC code
- State license (1)
- Washington #MD60232578
- Medicaid
- WA #1336265511
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336265511. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32
Distinct HCPCS
2
Medicare allowed
$5,929
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 20 | 14 | $154 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 12 | 12 | $238 |
In context: peer comparison
Among 8 peers in Seattle Gynecologic Oncology Physician, average services per provider: 29. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$226
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 4 | $207.06 | |
| Daiichi Sankyo INC. | 1 | $18.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
11
Total drug cost
$203
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ondansetron Hcl | Generic | 12 | 0 | $171 |
| Oxycodone Hcl | Generic | 11 | 11 | $33 |
Hospital affiliations
Frequently asked questions
What is Dr. Kathryn Pennington's medical specialty?
Dr. Kathryn Pennington practices Gynecologic Oncology Physician in Seattle, WA.
Where does Dr. Kathryn Pennington practice?
Dr. Kathryn Pennington practices at 825 Eastlake Ave E, Seattle, WA 981094405. Office phone: 2062281000.
What is Dr. Kathryn Pennington's NPI?
Dr. Kathryn Pennington's National Provider Identifier (NPI) is 1336265511, issued by NPPES.
Does Dr. Kathryn Pennington accept Medicare assignment?
Yes. Dr. Kathryn Pennington accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Pennington commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.