XIN CHEN (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1033573241
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for XIN CHEN (M.D.)
4455 W 117TH ST STE 502
HAWTHORNE, CA 902502261
Phone: (424) 236-4800
Type: Location
1414 S Grand Ave Ste 456
Los Angeles, CA 900153071
Phone: (408) 823-1252
Type: Location
1200, North State Street, Boyle Heights, Los Angeles, Los Angeles County, California, 90033, United States
CT-A7D
LOS ANGELES, CA 900331029
Phone: (323) 226-7556
Fax: (323) 226-2657
Type: Mailing
2550 W MAIN ST STE 301
ALHAMBRA, CA 918017003
Phone: (424) 236-4800
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $156.
Total Amount is formed as General ($156) + Research ($0) + Ownership ($0) = $156.
Last reported payment date: 2024-09-05 • Largest payer in this snapshot: Novo Nordisk Inc ($65).
Total Amount
$156
General + Research + Ownership
Payments
6
Total payment records
General Amount
$156
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $65 |
| Radius Health, Inc. | $60 |
| Medtronic, Inc. | $31 |
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: 2021-06-18
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 |
|---|---|---|---|---|
| I20210618000909 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 90250)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| Physician Assistant | CA | |
| Family Practice | CA | |
| Clinical Social Worker | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| Family Practice | CA | |
| Nurse Practitioner | CA | |
| Physician Assistant | CA | |
| - | CA |
Reviews
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