Matthew Hammer, M.D.
NPI 1285920918 · Anesthesiology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Hammer, M.D. is a Anesthesiology Physician provider in Milwaukee, WI (NPI 1285920918).
Provider details
- NPI number
- 1285920918
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125059763 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
165 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 X-Ray Or Radiation Therapy01922 | 51 | $124 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 35 | $42 |
| Anesthesia for Extensive Surgery on Spine00670 | 21 | $296 |
| Anesthesia for Procedure to Correct Abnormal Heart Rhythm00410 | 20 | $62 |
| Anesthesia for Other Procedure on Brain00210 | 13 | $358 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 13 | $77 |
| Anesthesia for Other Procedure on Urinary System Through Urethra |
Practice location
Mailing address
Additional practice locations (1)
- 13400 E Shea BlvdScottsdale, AZ 85259-5452Phone: (480) 301-8000
Registry dates
- Enumerated
- 2011-06-21
- Last updated
- 2024-07-23
- Certified
- 2024-07-23
Frequently asked questions
- What is Matthew Hammer's NPI number?
- Matthew Hammer's National Provider Identifier (NPI) is 1285920918, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Hammer's specialty?
- Matthew Hammer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Hammer located?
- Matthew Hammer's practice location on file with NPPES is 2900 W Oklahoma Ave, Milwaukee, WI 53215-4330.
- What is Matthew Hammer's phone number?
- The practice phone number listed in the NPPES registry for Matthew Hammer is (414) 649-6000.
- Does Matthew Hammer accept Medicare?
- Matthew Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Hammer's NPI active?
- Yes — Matthew Hammer's NPI (1285920918) is active in the NPPES registry as of the last update on 2024-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.