DR. CHRIS CHEN (M.D.) – Anesthesiology Physician, NPI 1891738472
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,371 ANESTHESIOLOGY in CA
Provider Addresses for DR. CHRIS CHEN (M.D.)
4439 STONERIDGE DR
STE 110
PLEASANTON, CA 945888339
Phone: (925) 461-2840
Fax: (925) 461-2844
Type: Mailing
1393, Santa Rita Road, Pleasanton, Alameda County, California, 94566, United States
SUITE D
PLEASANTON, CA 945665665
Phone: (925) 461-2840
Fax: (925) 461-2844
Type: Mailing
PO BOX 122
PLEASANTON, CA 945660012
Phone: (925) 461-2840
Fax: (800) 940-9545
Type: Mailing
1393 SANTA RITA RD STE E
PLEASANTON, CA 945665667
Phone: (925) 461-2840
Fax: (800) 940-9545
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $316.
Total Amount is formed as General ($316) + Research ($0) + Ownership ($0) = $316.
Last reported payment date: 2024-10-29 • Largest payer in this snapshot: ABBVIE INC. ($148).
Total Amount
$316
General + Research + Ownership
Payments
8
Total payment records
General Amount
$316
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-29
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $148 |
| Inari Medical, Inc. | $63 |
| Abbott Laboratories | $41 |
| Collegium Pharmaceutical, Inc. | $37 |
| ATRICURE, INC. | $28 |
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: 2004-11-22
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 |
|---|---|---|---|---|
| I20041122000830 | I | Anesthesiology | 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 94588)
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