STEVEN SINFIELD (MD) – Hospitalist Physician, NPI 1013545979
Hospitalist Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,314 HOSPITALIST in CA
Provider Addresses for STEVEN SINFIELD (MD)
2 W Fern Ave
Redlands, CA 923735916
Phone: (909) 793-3311
Type: Location
101 THE CITY DRIVE, CITY TOWER, STE 400
ORANGE, CA 92868
Phone:
Type: Mailing
PO BOX 35380
LAS VEGAS, NV 891335380
Phone:
Type: Mailing
797 S FAIR OAKS AVE
PASADENA, CA 911052629
Phone: (626) 795-2244
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: 2023-07-12
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20230712001917 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 61 | 29 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 30 | 30 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 11 | $0 |
Insurance plans in this area (ZIP 92373)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Diagnostic Radiology | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| Nurse Practitioner | CA | |
| Neurology, Internal Medicine | CA | |
| - | CA | |
| - | CA | |
| - | CA |
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