KIMBERLY ANNE LARSON (MD) – Neonatal-Perinatal Medicine Physician, NPI 1730473885
Neonatal-Perinatal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,422 PEDIATRIC MEDICINE in CA
Provider Addresses for KIMBERLY ANNE LARSON (MD)
1601 YGNACIO VALLEY RD
WALNUT CREEK, CA 945983122
Phone: (925) 947-5350
Type: Location
747 52ND ST
OAKLAND, CA 946091809
Phone: (510) 428-3276
Type: Mailing
11100 Euclid Ave
Mailstop 6010
Cleveland, OH 441061716
Phone: (216) 844-3387
Type: Location
725 Welch Rd
Palo Alto, CA 943041601
Phone: (650) 497-8000
Type: Location
1601 Ygnacio Valley Rd
Walnut Creek, CA 945983122
Phone: (925) 947-5350
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.
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: 2025-10-15
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20251015003783 | I | Pediatric 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 94598)
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