DR. STEPHANIE J MENGDEN KOON (M.D.) – Dermatopathology Physician, NPI 1780667527
Dermatopathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
232 DERMATOLOGY in OR
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Provider Addresses for DR. STEPHANIE J MENGDEN KOON (M.D.)
12254, Southwest Garden Place, Park 217, Downtown Tigard, Tigard, Metro, Washington County, Oregon, 97223, United States
TIGARD, OR 972238246
Phone: (503) 906-7300
Fax: (503) 245-8219
Type: Location
PO BOX 230457
TIGARD, OR 972810457
Phone: (503) 906-7300
Type: Mailing
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: 2008-11-17
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 |
|---|---|---|---|---|
| I20081117000114 | I | Dermatology | OR | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 3,390 | 2,422 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 702 | 626 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 547 | 304 | $0 |
| 88312 | Special stained specimen slides to identify organisms including interpretation and report | 351 | 250 | $0 |
| 88350 | Antibody evaluation, each additional single antibody stain procedure | 176 | 43 | $0 |
Insurance plans in this area (ZIP 97223)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | OR | 88342 | Tissue or cell analysis by immunologic technique | 284 | 245 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| Diagnostic Radiology | TN | |
| - | OR | |
| Nurse Practitioner | OR | |
| - | OR | |
| - | OR | |
| General Surgery, Thoracic Surgery | WA | |
| - | OR | |
| - | OR | |
| - | WA |
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