DR. LEON GUSTAV ROSENKRANZ (M.D.) – Internal Medicine Physician, NPI 1033114483
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. LEON GUSTAV ROSENKRANZ (M.D.)
South Gulfstream Avenue, Sarasota, Sarasota County, Florida, 34236, United States
SARASOTA, FL 342366736
Phone: (718) 974-7518
Fax: (718) 273-9664
Mailing address matches the actual address.
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: 2018-11-12
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 |
|---|---|---|---|---|
| I20100921000016 | I | Internal Medicine | NY | TBD |
| I20181112001018 | I | Hospitalist | FL | 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 |
|---|---|---|---|---|
| 99308 | Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 49 | 19 | $0 |
Insurance plans in this area (ZIP 34236)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | FL | |
| - | TN | |
| Nurse Practitioner | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| Family Practice | FL | |
| Internal Medicine, Infectious Disease | TX |
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