Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Robert J Hallock, MD

Individual provider Emergency Medicine Physician · NPI 1043265804

Robert J Hallock, MD practises Emergency Medicine in Milwaukee, Wisconsin. Graduated from University of Connecticut School of Medicine in 1999, 27 years ago. Practices with Emergency Medicine Services of Tx, PLLC, a 358-clinician group, works from 7 locations and accepts Medicare assignment. Licensed in Illinois, Maryland, Wisconsin and West Virginia.

Years since qualifying
27
Trained at
University of Connecticut School of Medicine
Licensed in
IL, MD, WI, WV
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

111 E Wisconsin Ave Ste 2000
Milwaukee, WI 53202-4815
Phone: (414) 290-6720
Fax: (414) 290-6755
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 1050 W Industrial Blvd Ste 17, Cumberland, MD 21502-4331 — (240) 964-9300
  • 10701 New Georges Creek Rd Sw, Frostburg, MD 21532-1457 — (301) 689-3229
  • 23789 Garrett Hwy, Mc Henry, MD 21541-1338 — (240) 488-4139
  • 2661 County Highway I, Chippewa Falls, WI 54729-5407 — (715) 723-1811
  • 900 W Clairemont Ave, Eau Claire, WI 54701-6122 — (715) 717-4121
  • 45 Hunt Club Dr, Ridgeley, WV 26753-7567 — (304) 726-4501

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence D75037 (MD)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 26624 (WV)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 44713-020 (WI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 035105392 (IL)

Record details

NPI number1043265804
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2006
Last updated in NPPESMay 8, 2020
Certification dateMay 8, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Emergency Medicine Services Of Tx, Pllc — 358 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients122
Services billed 168 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Ascension Ne Wisconsin - St Elizabeth Campus Hospital · Appleton, WI
  • Methodist Hospital Hospital · San Antonio, TX
  • Methodist Hospital Stone Oak Hospital · San Antonio, TX

Colleagues at Emergency Medicine Services of Tx, PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 358 clinicians in the practice; 12 are shown here.

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