DR. KATHRYN PATRICIA PENNINGTON M.D.
NPI 1336265511
Obstetrics & Gynecology - Gynecologic Oncology in Seattle, WA

Q: What is Kathryn Pennington's NPI number?

The NPI number for Kathryn Pennington is 1336265511. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Q: What is Kathryn Pennington's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

Active since March 21, 2007PECOS EnrolledAccepts Medicare Assignment

825 EASTLAKE AVE E, SEATTLE, WA 98109(206) 228-1000 Get Directions Write a Review

NPPES record last updated: August 13, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Kathryn Patricia Pennington M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KATHRYN PATRICIA PENNINGTON M.D. (NPI 1336265511) is an individual gynecologic oncology provider in Seattle, Washington, licensed in Washington (MD60232578) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (2006).

NPPES Registry Identity

NPI1336265511

Entity TypeIndividualFemale

Primary Taxonomy207VX0201X

Provider Legal NameDR. KATHRYN PATRICIA PENNINGTONCredential: M.D.

Location Address825 EASTLAKE AVE ESeattle, WA 98109-4405

Mailing AddressPo Box 50095Seattle, WA 98145-5095 · (206) 520-5700

Phone(206) 228-1000

Sole ProprietorNo

Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2006

Enumeration DateMarch 21, 2007

Last NPPES UpdateAugust 13, 2015

✔ NPI 1336265511 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207VX0201X

License✔ Licensed in WA · MD60232578

Definition

An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.

Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License MD60232578 (WA)

825 EASTLAKE AVE E, Seattle, WA 98109

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Other Identifiers 1

Medicaid1336265511WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kathryn Patricia Pennington M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496949703

PECOS Enrollment IDI20240607000180, I20240621001415

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Kathryn Pennington reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bartlett Regional Hospital

894 mi

Medical Specialty

3268 HOSPITAL DR STE B
Juneau, AK 99801

Reassigned Medicare billing, Alaska enrollment
7 clinicians in this Medicare group

NPI 1477909067 (907) 796-8720

Southcentral Foundation

1,425 mi

Community Health

11495 N CALLISON STREET
Sutton, AK 99674

Reassigned Medicare billing, Texas enrollment
459 clinicians in this Medicare group

NPI 1043632037 (907) 631-7665

Alaska Native Tribal Health Consortium

1,433 mi

General Acute Care Hospital

4315 DIPLOMACY DR
Anchorage, AK 99508

Reassigned Medicare billing, Texas enrollment
1,373 clinicians in this Medicare group

NPI 1437189339 (907) 563-2662

Alaska Women's Cancer Care, LLC

1,434 mi

Specialist

3851 PIPER ST STE U264
Anchorage, AK 99508

Reassigned Medicare billing, Alaska enrollment
Medicare enrollment name: Alaska Womens Cancer Care LLC
8 clinicians in this Medicare group

NPI 1063765295 (907) 562-4673

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

53 services37 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

50 services39 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

23 services19 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

17 services17 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

15 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98109 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$189.37 typical visit price

range $63.67 – $189.37

Typical copayment $47.34 (range $15.91 – $47.34)

Most-billed visit code 99205

Established Patient

$111.00 typical visit price

range $21.12 – $155.00

Typical copayment $27.75 (range $5.28 – $38.75)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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