DR. WILLIAM R. IV ALEXANDER (D.O.) – Hospitalist Physician, NPI 1639303589
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,405 INTERNAL MEDICINE in GA
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Provider Addresses for DR. WILLIAM R. IV ALEXANDER (D.O.)
Medical Center Pharmacy, 4700, Waters Avenue, Fairfield, Savannah, Chatham County, Georgia, 31404, United States
SUITE 150
SAVANNAH, GA 314046220
Phone: (912) 350-1316
Fax: (912) 350-2156
Type: Mailing
901, 18th Street East, Tifton, Tift County, Georgia, 31794, United States
TIFTON, GA 317943648
Phone: (229) 353-6051
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: 2012-10-05
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 |
|---|---|---|---|---|
| I20121005000453 | I | Internal Medicine | GA | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 397 | 139 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 302 | 137 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 130 | 128 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 121 | 121 | $0 |
| 99291 | Critical care, first 30-74 minutes | 19 | 16 | $0 |
Insurance plans in this area (ZIP 31404)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Infectious Disease | GA | |
| Family Practice | GA | |
| Physician Assistant | GA | |
| Family Practice | GA | |
| Physician Assistant | GA | |
| Internal Medicine | GA | |
| - | GA | |
| Cardiovascular Disease (Cardiology), Internal Medicine | GA | |
| - | GA | |
| - | GA |
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