KAREN LINNEA PETERSON (MD) – Otolaryngology Physician, NPI 1518970235
Otolaryngology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
321 OTOLARYNGOLOGY in WA
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Provider Addresses for KAREN LINNEA PETERSON (MD)
1100 OLIVE WAY MSC M4-PA
SEATTLE, WA 981011873
Phone:
Type: Mailing
Virginia Mason Hospital & Seattle Medical Center, 1100, 9th Avenue, Central Business District, First Hill, Seattle, King County, Washington, 98101, United States
SEATTLE, WA 981012756
Phone: (206) 223-6600
Type: Location
1100 9th Ave
Seattle, WA 981012756
Phone: (206) 223-6600
Type: Location
600 Broadway Ste 200
Seattle, WA 981225373
Phone: (206) 215-1770
Fax: (206) 215-1771
Type: Location
4140 W 190TH ST
TORRANCE, CA 905045513
Phone:
Type: Mailing
960 E GREEN ST STE 208
PASADENA, CA 911062401
Phone: (424) 314-0196
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $509.
Total Amount is formed as General ($509) + Research ($0) + Ownership ($0) = $509.
Last reported payment date: 2024-11-11 • Largest payer in this snapshot: Medtronic, Inc. ($153).
Total Amount
$509
General + Research + Ownership
Payments
6
Total payment records
General Amount
$509
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $153 |
| Baxter Healthcare | $146 |
| Acclarent, Inc | $137 |
| Smith+Nephew, Inc. | $58 |
| AXOGEN | $15 |
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: 2024-02-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20210419000080 | I | Otolaryngology | TX | TBD |
| I20231010000951 | I | Otolaryngology | IL | TBD |
| I20240209003436 | I | Otolaryngology | CA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 33 | 27 | $0 |
| 31575 | Diagnostic exam of voice box using a flexible endoscope | 29 | 27 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 21 | 21 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 98101)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | NY | |
| A N E S T H E S I O L O G Y | NV | |
| - | CA | |
| - | CA | |
| - | CA | |
| H O S P I T A L I S T | CA | |
| Infectious Disease | CA | |
| Plastic And Reconstructive Surgery | CA | |
| Physical Therapist In Private Practice | CA | |
| Hospitalist, Internal Medicine | CA |
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