DR. KARIN LILLY SIGUENZA (MD) – Emergency Medicine Physician, NPI 1457989394
Emergency Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
Provider Addresses for DR. KARIN LILLY SIGUENZA (MD)
4358 SE CEDAR ST
HILLSBORO, OR 971237463
Phone: (541) 390-6664
Type: Mailing
1000 W CARSON ST BLDG D9
TORRANCE, CA 905022004
Phone: (310) 222-3501
Fax: (310) 782-1763
Type: Location
12816 INGLEWOOD AVE # 345
HAWTHORNE, CA 902505118
Phone: (541) 390-6664
Type: Mailing
12401 WASHINGTON BLVD
WHITTIER, CA 906021006
Phone: (562) 698-0811
Type: Location
11500 Brookshire Ave
Downey, CA 902414917
Phone: (562) 904-5000
Type: Location
1720 E Cesar E Chavez Ave
Los Angeles, CA 900332414
Phone: (323) 268-5000
Type: Location
25825 Vermont Ave
Harbor City, CA 907103518
Phone: (833) 574-2273
Type: Location
1000 W CARSON ST BLDG N-14
TORRANCE, CA 905022004
Phone: (424) 306-5400
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.
This can happen when there are no reportable CMS Open Payments records.
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: 2022-09-06
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 |
|---|---|---|---|---|
| I20220906001040 | I | Emergency Medicine | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 97123)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | PA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Hospice/Palliative Care, Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| - | CA |
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