Robert J Hallock, M.D.
Emergency Medicine · Milwaukee, WI
At a glance
111 E Wisconsin Ave, Milwaukee, WI 53202-4815
NPPES record updated May 8, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
111 E Wisconsin Ave Suite 2000Milwaukee, WI 53202-4815
Additional reported practice locations
2661 County Highway IChippewa Falls, WI 547295407
Phone: 7157231811 900 W Clairemont Ave
Eau Claire, WI 547016122
Phone: 7157174121 23789 Garrett Hwy
Mc Henry, MD 215411338
Phone: 2404884139 45 Hunt Club Dr
Ridgeley, WV 267537567
Phone: 3047264501 1050 W Industrial Blvd Ste 17
Cumberland, MD 215024331
Phone: 2409649300 10701 New Georges Creek Rd Sw
Frostburg, MD 215321457
Phone: 3016893229
Education & affiliations
- Medical / professional school
- University Of Connecticut School Of Medicine
- Graduation year
- 1999
- CMS specialties
- Emergency Medicine
Practice groups
Reported hospital affiliations
- Ascension Ne Wisconsin - St Elizabeth Campus Appleton, WI
- Methodist Hospital San Antonio, TX
- Methodist Hospital Stone Oak San Antonio, TX
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Emergency Medicine
- Taxonomy code
- 207P00000X
- Enumeration date
- May 23, 2006
- Record updated
- May 8, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207P00000X
License reported: 26624 WV
207P00000X
License reported: 44713-020 WI
207P00000X
License reported: 035105392 IL
207P00000X · Primary
License reported: D75037 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
111 E Wisconsin AveSuite 2000
Milwaukee, WI 53202-4815
- Phone
- (414) 290-6720
- Fax
- (414) 290-6755
Mailing address
111 E WISCONSIN AVESUITE 2000
MILWAUKEE, WI 532024815
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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