JIANNAN ZHANG (APNP) – Registered Nurse, NPI 1366875338
Registered Nurse
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
6,035 NURSE PRACTITIONER in WI
Provider Addresses for JIANNAN ZHANG (APNP)
3100 SUPERIOR AVE
SHEBOYGAN, WI 530811948
Phone: (920) 783-1236
Type: Mailing
PO BOX 735044
CHICAGO, IL 606735044
Phone: (800) 326-2250
Type: Mailing
2414 KOHLER MEMORIAL DR
SHEBOYGAN, WI 530813129
Phone: (920) 457-4461
Type: Location
3100 Superior Ave
Sheboygan, WI 530811948
Phone: (920) 783-1236
Type: Location
1441 Branding Ave Ste 310
Downers Grove, IL 605155624
Phone: (844) 284-0381
Fax: (414) 203-3788
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $48.
Total Amount is formed as General ($48) + Research ($0) + Ownership ($0) = $48.
Last reported payment date: 2023-10-03 • Largest payer in this snapshot: Boehringer Ingelheim Pharmaceuticals, Inc. ($24).
Total Amount
$48
General + Research + Ownership
Payments
2
Total payment records
General Amount
$48
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $24 |
| GlaxoSmithKline, LLC. | $23 |
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: 2026-01-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-11-30 (923 days ago).
Enrollment records
2
Earliest due date
2023-11-30
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 |
|---|---|---|---|---|
| I20131120001741 | I | Nurse Practitioner | WI | 2023-11-30 |
| I20260106002047 | I | Nurse Practitioner | IL | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 64 | 54 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 47 | 45 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 31 | 25 | $0 |
Insurance plans in this area (ZIP 53081)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| Family Practice | IL | |
| Geriatric Medicine, Internal Medicine | WI | |
| - | WI | |
| - | WI | |
| - | IL | |
| Family Practice | WI | |
| - | OH | |
| - | WI |
Reviews
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