DR. WILLIAM F II REES (MD) – Internal Medicine Physician, NPI 1811952278
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,186 INTERNAL MEDICINE in MO
Provider Addresses for DR. WILLIAM F II REES (MD)
2211 Charlotte St
Kansas City, MO 641082733
Phone: (816) 404-4862
Type: Location
West 119th Street, Overland Park, Johnson County, Kansas, 66210, United States
OVERLAND PARK, KS 662093721
Phone: (913) 498-8787
Fax: (913) 498-1744
Type: Mailing
Lee's Summit Medical Center, 2100, Southeast Blue Parkway, Lee's Summit, Jackson County, Missouri, 64063, United States
LEES SUMMIT, MO 640631007
Phone: (913) 498-8787
Fax: (913) 498-1744
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: 2005-10-03
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 |
|---|---|---|---|---|
| I20051003000498 | I | Internal Medicine | MO | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 68 | 36 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 23 | 20 | $0 |
Insurance plans in this area (ZIP 64108)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | DC | |
| D E R M A T O L O G Y | MO | |
| O B S T E T R I C S/ G Y N E C O L O G Y | MO | |
| Internal Medicine | MO | |
| - | MO | |
| P S Y C H I A T R Y | MO | |
| P S Y C H I A T R Y | MO | |
| Orthopedic Surgery | MO | |
| Orthopedic Surgery | PA | |
| P S Y C H I A T R Y | MO |
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