DR. DONALD WILLIAM II SIMMLER (M.D.) – Hospice and Palliative Medicine (Internal Medicine) Physician, NPI 1063435535
Hospice and Palliative Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
298 HOSPICE/PALLIATIVE CARE in FL
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Provider Addresses for DR. DONALD WILLIAM II SIMMLER (M.D.)
1200 7TH AVE N
ST PETERSBURG, FL 337051300
Phone: (727) 820-7737
Fax: (727) 825-1223
Type: Mailing
Drew Street, Clearwater, Pinellas County, Florida, 34625, United States
CLEARWATER, FL 337593012
Phone: (727) 532-1355
Fax: (813) 635-2613
Type: Mailing
Saint Anthony's Hospital, 1200, 7th Avenue North, Methodist Town, Saint Petersburg, Pinellas County, Florida, 33713, United States
ST PETERSBURG, FL 337051300
Phone: (727) 820-7737
Fax: (727) 825-1223
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.
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: 2016-02-04
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 |
|---|---|---|---|---|
| I20160204000643 | I | Hospice/Palliative Care | 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 |
|---|---|---|---|---|
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 141 | 82 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 124 | 115 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 70 | 47 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 35 | 26 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 21 | 19 | $0 |
Insurance plans in this area (ZIP 33705)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | FL | |
| - | FL | |
| Certified Registered Nurse Anesthetist (Crna) | MI | |
| Internal Medicine | FL | |
| Family Practice | FL | |
| Family Practice | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| - | FL | |
| - | GA |
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