NATHAN WILLIAMS (MD) – Hospitalist Physician, NPI 1649253154
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for NATHAN WILLIAMS (MD)
PO BOX 11889
LYNCHBURG, VA 245061889
Phone: (434) 947-3944
Fax: (434) 544-2316
Type: Mailing
Medical Associates, 2215, Landover Place, Lynchburg, Lynchburg (city), Virginia, 24501, United States
LYNCHBURG, VA 245012115
Phone: (434) 947-3944
Fax: (434) 544-2316
Type: Location
PO BOX 11646
LYNCHBURG, VA 245061646
Phone: (434) 200-5895
Fax: (434) 200-7529
Type: Mailing
1901 TATE SPRINGS RD
LYNCHBURG, VA 245011109
Phone: (434) 200-5895
Fax: (434) 200-7529
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $23.
Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.
Last reported payment date: 2023-12-16 • Largest payer in this snapshot: Ultragenyx Pharmaceutical Inc. ($23).
Total Amount
$23
General + Research + Ownership
Payments
1
Total payment records
General Amount
$23
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ultragenyx Pharmaceutical Inc. | $23 |
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: 2018-01-04
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 |
|---|---|---|---|---|
| I20060921000265 | I | Hospitalist | VA | TBD |
| I20180104001616 | I | Internal Medicine | SC | 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 | 478 | 188 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 101 | 73 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 67 | 66 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 66 | 41 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 62 | 62 | $0 |
Insurance plans in this area (ZIP 24506)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| N E U R O L O G Y | MD | |
| Internal Medicine | VA | |
| - | VA | |
| N E U R O S U R G E R Y | VA | |
| Hospitalist, Family Practice | VA | |
| Diagnostic Radiology | OH | |
| Cardiac Electrophysiology | VA | |
| - | SC | |
| - | VA |
Reviews
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