Michael Keefe, MD
NPI 1073510004 · Hematology & Oncology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Keefe, MD is a Hematology & Oncology Physician provider in Milwaukee, WI (NPI 1073510004).
Provider details
- NPI number
- 1073510004
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 42858 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
584 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 273 | $90 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 179 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 109 | $61 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $134 |
Typical Medicare-allowed amounts for these services range $15–$134 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 382 | 73 |
| Rivaroxabanbrand: Xarelto | 100 | 18 |
| Warfarin Sodium | 94 | 22 |
| Acyclovir | 50 | 17 |
| Prochlorperazine Maleate | 47 | 28 |
| Hydroxyurea | 40 | 13 |
| Dexamethasone | 34 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2012-06-11
Frequently asked questions
- What is Michael Keefe's NPI number?
- Michael Keefe's National Provider Identifier (NPI) is 1073510004, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Keefe's specialty?
- Michael Keefe is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Keefe located?
- Michael Keefe's practice location on file with NPPES is 2350 N Lake Dr, Milwaukee, WI 53211-4528.
- What is Michael Keefe's phone number?
- The practice phone number listed in the NPPES registry for Michael Keefe is (414) 298-7250.
- Does Michael Keefe accept Medicare?
- Michael Keefe is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Keefe's NPI active?
- Yes — Michael Keefe's NPI (1073510004) is active in the NPPES registry as of the last update on 2012-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.