JEFF TAI LI CHEN (DR) – Emergency Medicine Physician, NPI 1912973074
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for JEFF TAI LI CHEN (DR)
4301 NORTH STAR WAY
MODESTO, CA 953569262
Phone: (209) 342-2300
Fax: (209) 342-2300
Type: Mailing
Alta Bates Summit Medical Center - Alta Bates Campus, 2450, Ashby Avenue, Elmwood, Berkeley, Alameda County, California, 94705, United States
BERKELEY, CA 947052067
Phone: (510) 204-2500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $20.
Total Amount is formed as General ($20) + Research ($0) + Ownership ($0) = $20.
Last reported payment date: 2023-06-22 • Largest payer in this snapshot: Abbott Laboratories ($20).
Total Amount
$20
General + Research + Ownership
Payments
1
Total payment records
General Amount
$20
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-22
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $20 |
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: 2005-11-01
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 |
|---|---|---|---|---|
| I20051101001236 | 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 |
|---|---|---|---|---|
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 166 | 159 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 162 | 161 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 102 | 101 | $0 |
| 99291 | Critical care, first 30-74 minutes | 41 | 40 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 25 | 25 | $0 |
Insurance plans in this area (ZIP 95356)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | CA | |
| Emergency Medicine | MI | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| - | CA | |
| Emergency Medicine | AZ | |
| Emergency Medicine | CA | |
| Emergency Medicine | IL | |
| Emergency Medicine | NY | |
| Emergency Medicine | PA |
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