SHAWN KEIJI KAKU (MD) – Critical Care Medicine (Internal Medicine) Physician, NPI 1093977696
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,125 CRITICAL CARE (INTENSIVISTS) in CA
Provider Addresses for SHAWN KEIJI KAKU (MD)
20103 Lake Chabot Rd
Castro Valley, CA 945465305
Phone: (510) 537-1234
Type: Location
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Location
PO BOX 2098
SAN RAMON, CA 945837098
Phone:
Type: Mailing
Eden Medical Center, 20103, Lake Chabot Road, Castro Valley, Alameda County, California, 94546, United States
CASTRO VALLEY, CA 945465305
Phone: (510) 537-1234
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: 2012-03-29
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 |
|---|---|---|---|---|
| I20120329000306 | I | Critical Care (Intensivists) | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 301 | 158 | $0 |
| 99292 | Critical care, each additional 30 minutes | 181 | 72 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 22 | 19 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 17 | 15 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 12 | 12 | $0 |
Insurance plans in this area (ZIP 94546)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CRITICAL CARE (INTENSIVISTS) | CA | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 17 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | DC | |
| Colorectal Surgery (Proctology), General Surgery | LA | |
| - | CA | |
| N E U R O S U R G E R Y | MA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Emergency Medicine | CA | |
| - | MA | |
| Emergency Medicine | CA |
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