MS. CRYSTAL GRUBER (APNP) – Family Nurse Practitioner, NPI 1376952507
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MS. CRYSTAL GRUBER (APNP)
140 24TH ST S
WISCONSIN RAPIDS, WI 544941906
Phone: (715) 424-1881
Type: Mailing
5200 HUMMINGBIRD RD
STE 100
WAUSAU, WI 544016312
Phone: (715) 359-6442
Fax: (715) 393-0390
Type: Mailing
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: 2014-10-07
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 |
|---|---|---|---|---|
| I20141007000539 | I | Nurse Practitioner | WI | 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 |
|---|---|---|---|---|
| J1030 | Injection, methylprednisolone acetate, 40 mg | 85 | 38 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 74 | 45 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 53 | 51 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 45 | 38 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 37 | 37 | $0 |
Insurance plans in this area (ZIP 54494)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | WI | |
| P O D I A T R Y | WI | |
| Physical Therapist In Private Practice | WI | |
| Physical Therapist In Private Practice | WI | |
| Occupational Therapist In Private Practice | AK | |
| Physician Assistant | WI | |
| Occupational Therapist In Private Practice | WI | |
| Nurse Practitioner | WI | |
| Orthopedic Surgery | WI | |
| Occupational Therapist In Private Practice | WI |
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