KENNETH KENJI SAKAMOTO (MD) – Cardiovascular Disease Physician, NPI 1275575698
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,010 CARDIOVASCULAR DISEASE (CARDIOLOGY) in CA
Provider Addresses for KENNETH KENJI SAKAMOTO (MD)
900 Blake Wilbur Dr
Stanford Executive Medicine, 2nd Floor
Palo Alto, CA 943042201
Phone: (650) 721-6700
Fax: (650) 498-7873
Type: Location
Blake Wilbur Building, 900, Blake Wilbur Drive, Stanford, Palo Alto, Santa Clara County, California, 94304, United States
STANFORD EXECUTIVE MEDICINE, 2ND FLOOR
PALO ALTO, CA 943042201
Phone: (650) 721-6700
Fax: (650) 498-7873
Type: Mailing
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
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: 2004-10-13
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 |
|---|---|---|---|---|
| I20041013000490 | I | Internal 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 312 | 281 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 209 | 148 | $0 |
| G2212 | Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 149 | 97 | $0 |
| 93248 | Heart rhythm review and interpretation of continous external ekg over 8-15 days | 38 | 37 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 35 | 35 | $0 |
Insurance plans in this area (ZIP 94304)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Hematology, Medical Oncology | NY | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Neuropsychiatry, Neurology | CA |
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