DR. STEVEN Y CHANG (MD, PHD) – Critical Care Medicine (Internal Medicine) Physician, NPI 1376515023
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
580 CRITICAL CARE (INTENSIVISTS) in NJ
Provider Addresses for DR. STEVEN Y CHANG (MD, PHD)
10833 LE CONTE AVE RM 37-131
PULMONARY & CRITICAL CARE MEDICINE
LOS ANGELES, CA 900951690
Phone: (310) 825-5316
Fax: (310) 206-8622
Type: Mailing
150 BERGEN ST # UH I-354
UMDNJ - MICU DIRECTOR
NEWARK, NJ 071032496
Phone: (973) 972-6111
Fax: (973) 972-6228
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: 2013-10-22
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 |
|---|---|---|---|---|
| I20131022000412 | I | Critical Care (Intensivists) | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 441 | 95 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 21 | 17 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 19 | 16 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 18 | 14 | $0 |
Insurance plans in this area (ZIP 90095)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CRITICAL CARE (INTENSIVISTS) | NJ | 31500 | Emergent insertion of breathing tube into windpipe cartilage using an endoscope | 12 | 11 |
| CRITICAL CARE (INTENSIVISTS) | NJ | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 25 | 22 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Hospitalist | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Emergency Medicine, Family Practice | CA | |
| Medical Oncology, Hematology/Oncology | CA | |
| Hospitalist, Internal Medicine | MA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| Hospitalist, Internal Medicine | CA |
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