DREW STUART CHAVINSON (M.D) – Emergency Medicine Physician, NPI 1114972684
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
Provider Addresses for DREW STUART CHAVINSON (M.D)
2500 Grant Road
Mountain View, CA 94040
Phone: (650) 940-7055
Type: Location
325 DISTEL CIR
LOS ALTOS, CA 940221408
Phone: (650) 596-4100
Fax: (650) 551-7065
Type: Mailing
301 INDUSTRIAL RD
SAN CARLOS, CA 940702603
Phone: (650) 596-4100
Type: Location
2100 Powell Street, Bay Trail, Emeryville, Alameda County, California, 94608, United States
STE 920
EMERYVILLE, CA 946081803
Phone: (510) 350-2600
Fax: (510) 879-9100
Type: Mailing
El Camino Hospital, 2500, Grant Road, Mountain View, Santa Clara County, California, 94040, United States
MOUNTAIN VIEW, CA 94040
Phone: (650) 940-7055
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: 2005-08-10
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 |
|---|---|---|---|---|
| I20050810000486 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 277 | 275 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 81 | 81 | $0 |
| 99291 | Critical care, first 30-74 minutes | 73 | 73 | $0 |
| 71045 | X-ray of chest, 1 view | 32 | 32 | $0 |
Insurance plans in this area (ZIP 94040)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OR | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA |
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