DR. MICHAEL LIN ZHANG (M.D.) – Urology Physician, NPI 1275920977
Urology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,307 UROLOGY in CA
Provider Addresses for DR. MICHAEL LIN ZHANG (M.D.)
PO BOX 31309
LOS ANGELES, CA 900310309
Phone: (323) 865-3700
Type: Mailing
1516 SAN PABLO ST FL 5
LOS ANGELES, CA 900335313
Phone: (323) 865-3700
Type: Location
1805 N CALIFORNIA ST STE 201
STOCKTON, CA 952046032
Phone: (209) 645-4005
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 29 Open Payments records for all available years, with a total value of $975.
Total Amount is formed as General ($975) + Research ($0) + Ownership ($0) = $975.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Cook Medical LLC ($290).
Total Amount
$975
General + Research + Ownership
Payments
29
Total payment records
General Amount
$975
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 |
|---|---|
| Cook Medical LLC | $290 |
| Octapharma USA, Inc. | $161 |
| Boston Scientific Corporation | $126 |
| ACCORD HEALTHCARE, INC. | $54 |
| MDD US Operations, LLC | $32 |
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: 2020-05-07
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 |
|---|---|---|---|---|
| I20200507002705 | I | Urology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 144 | 88 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 76 | 76 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 20 | $0 |
| 81002 | Urinalysis, manual test | 45 | 41 | $0 |
| 51798 | Ultrasound measurement of bladder capacity after voiding | 41 | 39 | $0 |
Insurance plans in this area (ZIP 90031)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Infectious Disease | NY | |
| R H E U M A T O L O G Y | CA | |
| U R O L O G Y | CA | |
| N E U R O L O G Y | CA | |
| P S Y C H I A T R Y | FL | |
| P S Y C H I A T R Y | CA | |
| N E U R O L O G Y | NE | |
| Infectious Disease | CA | |
| N E U R O L O G Y | CA | |
| P S Y C H I A T R Y | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.