NPPES file of Aug 9, 2026

Robert Joseph Gregory

Anesthesiology Physician · Milwaukee, WI

Robert Joseph Gregory is an anesthesiology physician with a practice address in Milwaukee, Wisconsin, and NPI 1215399878, issued on Mar 23, 2016. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215399878
Name
Robert Joseph Gregory
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
2021-00257 NC
Self-reported in NPPES; status is on the state search
Practice location
8701 W Watertown Plank RD, Milwaukee, WI 53226
Phone
(414) 805-6102
Enumerated
Mar 23, 2016
Record last updated
Jun 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220510001256); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 8701 W Watertown Plank RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Fayrouz Abu-Hamdan, MDStudent in an Organized Health Care Education/Training Program1154909489
  2. Zaynab Al-Duwal, MDAnatomic Pathology & Clinical Pathology Physician1760836951
  3. Suhita AlluriStudent in an Organized Health Care Education/Training Program1417453341
  4. Naif Alsaikhan, MDVascular & Interventional Radiology Physician1255743860
  5. Eric Anderson, MDStudent in an Organized Health Care Education/Training Program1518595024
  6. Warren Anderson, MSPPerfusionist1194350991

Verify Robert Joseph Gregory in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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One hospital affiliation

  1. Memorial Medical CenterSpringfield, IL · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Robert Joseph Gregory among 1,313 anesthesiology physician records in Wisconsin

Robert Joseph Gregory is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 80% of them.

  • NPI issued2016 · 80% of these records are older, 18% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2016 · median 2006 among the 872 with a school on file
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

387 anesthesiology physician records list a practice address in Milwaukee

They are 387 of the 18,389 NPPES records with a practice address in Milwaukee, and 1,313 anesthesiology physician records in Wisconsin.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Meredith Albrecht, MD PHDMilwaukee, WI 532261750363099
  2. Athlene Alexis, M.D.Milwaukee, WI 532261346223161
  3. Melissa Anglin, M.D.Milwaukee, WI 532261174522130
  4. Lourdes Burgos, MDMilwaukee, WI 532261154371680
  5. Antonio Caballero, M.D.Milwaukee, WI 532261245213941
  6. Adam Cambray, M.D.Milwaukee, WI 532261639134786
  7. Robert Corish, M.D.Milwaukee, WI 532261194708008
  8. Su-Ryong Hur, M.D.Milwaukee, WI 532261245214659

Common questions

What is Robert Joseph Gregory's NPI number?

Robert Joseph Gregory's National Provider Identifier (NPI) is 1215399878, issued on Mar 23, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Robert Joseph Gregory located?

The NPPES record lists a practice address at 8701 W Watertown Plank RD, Milwaukee, WI, 53226. Phone: (414) 805-6102. Providers update this record themselves, so call before visiting.

How can I verify Robert Joseph Gregory's license?

Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.