DR. JOHN P OPPENHEIMER (M.D.) – Anesthesiology Physician, NPI 1174507545
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,266 ANESTHESIOLOGY in WI
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Provider Addresses for DR. JOHN P OPPENHEIMER (M.D.)
225, South Executive Drive, Brookfield, Waukesha County, Wisconsin, 53005, United States
BROOKFIELD, WI 530054266
Phone: (262) 787-4026
Type: Mailing
Ascension Columbia Saint Mary's Women's Medical Center, 2323, North Lake Drive, The East Side, Milwaukee, Milwaukee County, Wisconsin, 53211, United States
MILWAUKEE, WI 532114508
Phone: (414) 291-1000
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.
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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: 2016-01-28
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 |
|---|---|---|---|---|
| I20160128001566 | I | Anesthesiology | FL | 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 |
|---|---|---|---|---|
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 43 | 43 | $0 |
| 64415 | Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 31 | 31 | $0 |
| 64450 | Injection of anesthetic agent and/or steroid into other nerve or branch | 22 | 22 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 22 | 22 | $0 |
Insurance plans in this area (ZIP 53005)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | WI | 36620 | Insertion of arterial catheter for blood sampling or infusion, accessed through the skin | 53 | 53 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Certified Registered Nurse Anesthetist (Crna) | GA | |
| A N E S T H E S I O L O G Y | FL | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Certified Registered Nurse Anesthetist (Crna) | IL | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| A N E S T H E S I O L O G Y | FL | |
| - | FL | |
| Certified Registered Nurse Anesthetist (Crna) | DE | |
| Certified Registered Nurse Anesthetist (Crna) | PA |
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