TAMARA ZORIANNA VERN-GROSS (DO) – Radiation Oncology Physician, NPI 1679732036
Radiation Oncology Physician
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Profile Insights
NPPES metrics only — not quality of care.
186 RADIATION ONCOLOGY in WI
Provider Addresses for TAMARA ZORIANNA VERN-GROSS (DO)
2009 5TH ST
MONROE, WI 535661546
Phone: (608) 324-2000
Type: Location
13400 E Shea Blvd
Mayo Clinic Arizona
Scottsdale, AZ 852595452
Phone: (480) 301-8000
Type: Location
Mayo Clinic Hospital Scottsdale Campus, 13400, East Shea Boulevard, Scottsdale, Maricopa County, Arizona, 85259, United States
MAYO CLINIC ARIZONA
SCOTTSDALE, AZ 852595452
Phone: (480) 301-8000
Type: Location
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.
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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: 2025-02-06
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20140908001761 | I | Radiation Oncology | TN | TBD |
| I20241206001692 | I | Radiation Oncology | IA | TBD |
| I20241230000727 | I | Radiation Oncology | WI | TBD |
| I20250206002542 | I | Radiation Oncology | OH | 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 |
|---|---|---|---|---|
| G6002 | Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 128 | 11 | $0 |
| 77427 | Radiation treatment management, 5 treatment sessions | 28 | 11 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 27 | 26 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 17 | 17 | $0 |
| 77334 | Design and construction of complex radiation treatment device | 15 | 11 | $0 |
Insurance plans in this area (ZIP 53566)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RADIATION ONCOLOGY | AZ | 77427 | Radiation treatment management, 5 treatments | 20 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine, Internal Medicine | WI | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| - | WI | |
| U R O L O G Y | WI | |
| - | WI | |
| P S Y C H I A T R Y | WI | |
| Certified Registered Nurse Anesthetist (Crna) | WI | |
| Vascular Surgery, General Surgery | WI | |
| - | ND | |
| Nephrology, Internal Medicine | WI |
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