Robert Gregory
NPI 1215399878 · Anesthesiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Gregory is a Anesthesiology Physician provider in Milwaukee, WI (NPI 1215399878).
Provider details
- NPI number
- 1215399878
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
86 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Electroshock Therapy00104 | 18 | $52 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 18 | $83 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 18 | $75 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 18 | $43 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 14 | $193 |
Typical Medicare-allowed amounts for these services range $43–$193 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 1740 W Taylor StChicago, IL 60612-7232Phone: (866) 600-2273
Registry dates
- Enumerated
- 2016-03-23
- Last updated
- 2021-06-15
- Certified
- 2021-06-15
Frequently asked questions
- What is Robert Gregory's NPI number?
- Robert Gregory's National Provider Identifier (NPI) is 1215399878, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Gregory's specialty?
- Robert Gregory is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Gregory located?
- Robert Gregory's practice location on file with NPPES is 8701 W Watertown Plank Rd, Milwaukee, WI 53226-3548.
- What is Robert Gregory's phone number?
- The practice phone number listed in the NPPES registry for Robert Gregory is (414) 805-6102.
- Does Robert Gregory accept Medicare?
- Robert Gregory is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Gregory's NPI active?
- Yes — Robert Gregory's NPI (1215399878) is active in the NPPES registry as of the last update on 2021-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.