MARK T. CHEN (DO) – Anesthesiology Physician, NPI 1568417152
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,371 ANESTHESIOLOGY in CA
Loading map...
Provider Addresses for MARK T. CHEN (DO)
1628, Highbranch Way, Hillsborough, Orange County, North Carolina, 27278, United States
ORANGE, CA 928560628
Phone: (714) 560-1580
Type: Mailing
San Antonio Regional Hospital, 999, San Bernardino Road, Upland, San Bernardino County, California, 91786, United States
UPLAND, CA 917864920
Phone: (909) 920-4851
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $264.
Total Amount is formed as General ($264) + Research ($0) + Ownership ($0) = $264.
Last reported payment date: 2024-05-14 • Largest payer in this snapshot: Vero Biotech Inc. ($75).
Total Amount
$264
General + Research + Ownership
Payments
5
Total payment records
General Amount
$264
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Vero Biotech Inc. | $75 |
| Medtronic, Inc. | $65 |
| Heron Therapeutics, Inc. | $65 |
| Octapharma USA, Inc. | $36 |
| Boston Scientific Corporation | $22 |
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: 2019-10-15
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20060324000311 | I | Anesthesiology | WA | TBD |
| I20191015002454 | 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 92856)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | OH | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.