JUSTIN YU (M.D.) – Internal Medicine Physician, NPI 1053707802
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
21,511 INTERNAL MEDICINE in CA
Provider Addresses for JUSTIN YU (M.D.)
2351 Clay St Ste 380
San Francisco, CA 941151931
Phone: (415) 600-3954
Type: Location
2351 CLAY ST STE 380
SAN FRANCISCO, CA 941151931
Phone:
Type: Mailing
2001 WINWARD WAY STE 101
SAN MATEO, CA 944042499
Phone:
Type: Mailing
1501 TROUSDALE DR
BURLINGAME, CA 940104506
Phone: (650) 696-5400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $144.
Total Amount is formed as General ($144) + Research ($0) + Ownership ($0) = $144.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Penumbra, Inc. ($144).
Total Amount
$144
General + Research + Ownership
Payments
1
Total payment records
General Amount
$144
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Penumbra, Inc. | $144 |
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: 2018-07-19
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 |
|---|---|---|---|---|
| I20180719000861 | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 446 | 214 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 295 | 128 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 181 | 175 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 118 | 118 | $0 |
| 99291 | Critical care, first 30-74 minutes | 49 | 36 | $0 |
Insurance plans in this area (ZIP 94115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Hospitalist, Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine | TN | |
| Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA | |
| Internal Medicine | CA | |
| Hospitalist, Family Practice | CA |
Reviews
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