DR. KASSONDRA SUZANNE GRZANKOWSKI (M.D.) – Gynecologic Oncology Physician, NPI 1316109648
Gynecologic Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
139 GYNECOLOGICAL ONCOLOGY in TX
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Provider Addresses for DR. KASSONDRA SUZANNE GRZANKOWSKI (M.D.)
100, East 30th Street, Central Austin, Austin, Travis County, Texas, 78705, United States
AUSTIN, TX 787053378
Phone: (512) 505-5500
Type: Location
4383 Medical Dr
San Antonio, TX 782293307
Phone: (210) 593-4980
Fax: (210) 593-4842
Type: Location
4383 MEDICAL DR
SAN ANTONIO, TX 782293307
Phone: (210) 593-4980
Fax: (210) 593-4842
Type: Mailing
8715 VILLAGE DR STE 116
SAN ANTONIO, TX 782175407
Phone: (210) 593-4980
Fax: (210) 593-4842
Type: Location
Burnet Road, Domain Northside, Austin, Travis County, Texas, 78759-3504, United States
SUITE 200
AUSTIN, TX 787585215
Phone: (512) 505-5500
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 47 Open Payments records for all available years, with a total value of $1,131.
Total Amount is formed as General ($1,131) + Research ($0) + Ownership ($0) = $1,131.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($124).
Total Amount
$1,131
General + Research + Ownership
Payments
47
Total payment records
General Amount
$1,131
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $124 |
| Myriad Genetic Laboratories, Inc. | $118 |
| ABBVIE INC. | $92 |
| Eisai Inc. | $89 |
| Merck Sharp & Dohme LLC | $71 |
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: 2020-06-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20160525002943 | I | Gynecological Oncology | AZ | TBD |
| I20200610001794 | I | Gynecological Oncology | TX | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 19 | 15 | $0 |
Insurance plans in this area (ZIP 78705)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Medical Oncology | TX | |
| - | TX | |
| Surgical Oncology, General Surgery | TX | |
| - | TX | |
| General Surgery | TX | |
| Gynecological Oncology, Obstetrics/Gynecology | NY | |
| Medical Oncology, Internal Medicine | TX | |
| Medical Oncology | TX | |
| H E M A T O L O G Y/ O N C O L O G Y | TX |
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