DR. WILLIAM S RITTER (M.D.) – Cardiovascular Disease Physician, NPI 1104825462
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
278 CARDIOVASCULAR DISEASE (CARDIOLOGY) in KS
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Provider Addresses for DR. WILLIAM S RITTER (M.D.)
9119, West 74th Street, Overland Park, Johnson County, Kansas, 66204, United States
SUITE 350
SHAWNEE MISSION, KS 662042215
Phone: (913) 789-3290
Fax: (913) 789-3208
Type: Mailing
7840 W 165th St Ste 260
Overland Park, KS 662233020
Phone: (913) 632-9400
Fax: (913) 632-9444
Type: Location
7025 College Blvd Ste 300
Overland Park, KS 662111523
Phone: (913) 632-9400
Fax: (913) 632-9444
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 22 Open Payments records for all available years, with a total value of $577.
Total Amount is formed as General ($577) + Research ($0) + Ownership ($0) = $577.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: iRhythm Technologies, Inc. ($183).
Total Amount
$577
General + Research + Ownership
Payments
22
Total payment records
General Amount
$577
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| iRhythm Technologies, Inc. | $183 |
| Boston Scientific Corporation | $179 |
| PFIZER INC. | $38 |
| Baxter Healthcare | $35 |
| Amgen Inc. | $29 |
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: 2005-10-29
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 |
|---|---|---|---|---|
| I20051029000336 | I | Cardiovascular Disease (Cardiology) | KS | 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 |
|---|---|---|---|---|
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 138 | 97 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 95 | 69 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 45 | 45 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 42 | 36 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 41 | 41 | $0 |
Insurance plans in this area (ZIP 66204)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiovascular Disease (Cardiology) | KS | |
| Family Practice | NC | |
| Nurse Practitioner | KS | |
| - | KS | |
| Physician Assistant | KS | |
| Nurse Practitioner | KS | |
| - | KS | |
| Internal Medicine | KS | |
| Nurse Practitioner | KS | |
| - | KS |
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