WEI FAN (MD) – Hospitalist Physician, NPI 1053499863
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for WEI FAN (MD)
Harrison Street, Financial District, Downtown Oakland, Oakland, Alameda County, California, 94612, United States
OAKLAND, CA 946123429
Phone: (510) 625-6262
Type: Mailing
7373, West Lane, Stockton, San Joaquin County, California, 95210, United States
STOCKTON, CA 952103377
Phone: (209) 476-2000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $1,366.
Total Amount is formed as General ($1,366) + Research ($0) + Ownership ($0) = $1,366.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Lilly USA, LLC ($287).
Total Amount
$1,366
General + Research + Ownership
Payments
15
Total payment records
General Amount
$1,366
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2010-11-19
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 |
|---|---|---|---|---|
| I20101119001209 | 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.
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 | 533 | 250 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 210 | 93 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 145 | 142 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 56 | 55 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 25 | 25 | $0 |
Insurance plans in this area (ZIP 94612)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Critical Care (Intensivists) | FL | |
| Internal Medicine, Critical Care (Intensivists) | CA | |
| Internal Medicine, Pediatric Medicine | CA | |
| - | CA | |
| Critical Care (Intensivists), Pulmonary Disease | CA | |
| - | CA | |
| Internal Medicine, Pulmonary Disease, Critical Care (Intensivists) | CA | |
| - | CA | |
| - | CA | |
| Critical Care (Intensivists), Internal Medicine | CA |
Reviews
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