CHRISTOPHER DIRK KEENE (MD, PHD) – Neuropathology Physician, NPI 1104928712
Neuropathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
369 PATHOLOGY in WA
Provider Addresses for CHRISTOPHER DIRK KEENE (MD, PHD)
PO BOX 50095
SEATTLE, WA 981455095
Phone:
Type: Mailing
325 9th Ave
Box 359791, room 2EH87
Seattle, WA 981042420
Phone: (206) 744-3145
Fax: (206) 744-8240
Type: Location
9444 Medical Center Dr
LA Jolla, CA 920371337
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
Harborview Medical Center, 325, 9th Avenue, Little Saigon, First Hill, Seattle, King County, Washington, 98104, United States
BOX 359791, ROOM 2EH87
SEATTLE, WA 981042420
Phone: (206) 744-3145
Fax: (206) 744-8240
Type: Location
FILE 57326
LOS ANGELES, CA 900747326
Phone: (800) 926-8273
Type: Mailing
200 W ARBOR DR
SAN DIEGO, CA 921039000
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2009-07-02
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20090702000056 | I | Pathology | WA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 22 | 11 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 14 | 12 | $0 |
Insurance plans in this area (ZIP 98145)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y | WA | |
| Infectious Disease | OR | |
| - | WA | |
| - | WA | |
| Family Practice | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA |
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