DR. WILLIAM DETLEV RITTMEYER (DO) – Interventional Pain Medicine Physician, NPI 1770088189
Interventional Pain Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
1,266 ANESTHESIOLOGY in WI
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Provider Addresses for DR. WILLIAM DETLEV RITTMEYER (DO)
Froedtert Hospital, 9200, West Wisconsin Avenue, Cannon Park, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
MILWAUKEE, WI 532263522
Phone: (414) 805-6100
Type: Mailing
1750 W Harrison St Ste 720
Chicago, IL 606123825
Phone: (888) 352-7874
Type: Location
29373 NETWORK PL
CHICAGO, IL 606731293
Phone: (847) 390-5900
Type: Mailing
890 GARFIELD AVE STE 103
LIBERTYVILLE, IL 600483100
Phone: (847) 279-0061
Fax: (847) 279-0069
Type: Location
1750 W HARRISON ST STE 720
CHICAGO, IL 606123825
Phone: (888) 352-7874
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 172 Open Payments records for all available years, with a total value of $14,414.
Total Amount is formed as General ($14,414) + Research ($0) + Ownership ($0) = $14,414.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Abbott Laboratories ($5,842).
Total Amount
$14,414
General + Research + Ownership
Payments
172
Total payment records
General Amount
$14,414
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $5,842 |
| Medtronic, Inc. | $3,555 |
| Nevro Corp. | $2,200 |
| Boston Scientific Corporation | $1,147 |
| Saluda Medical Americas, Inc. | $870 |
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: 2023-03-03
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 |
|---|---|---|---|---|
| I20230303001952 | I | Anesthesiology | IL | 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 | 91 | 67 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 54 | 54 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 30 | $0 |
| 62323 | Injection of substance into lower spine canal using imaging guidance | 43 | 43 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 24 | $0 |
Insurance plans in this area (ZIP 53226)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | IL | |
| A N E S T H E S I O L O G Y | IL | |
| - | MN | |
| - | IL | |
| - | IL | |
| Rheumatology, Internal Medicine | IL | |
| - | IL | |
| Internal Medicine | IL | |
| P S Y C H I A T R Y | IL | |
| - | IL |
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