Karen Carlson, MD/PHD
NPI 1417114158 · Hematology & Oncology Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Carlson, MD/PHD is a Hematology & Oncology Physician provider in Milwaukee, WI (NPI 1417114158).
Provider details
- NPI number
- 1417114158
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 60104 (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
18 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
455 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 136 | $74 |
| 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 | 101 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 95 | $112 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $137 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $92 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 57 | 26 |
| Posaconazole | 46 | 15 |
| Venetoclaxbrand: Venclexta | 45 | 18 |
| Levofloxacin | 26 | 20 |
| Prednisone | 22 | 12 |
| Allopurinol | 21 | 17 |
| Acalabrutinib Maleatebrand: Calquence | 19 | — |
| Fluconazole | 19 |
Practice location
Mailing address
Additional practice locations (1)
- 4805 S Moorland RdNew Berlin, WI 53151-7401Phone: (262) 798-7200Fax: (262) 798-7201
Registry dates
- Enumerated
- 2008-05-20
- Last updated
- 2022-12-02
- Certified
- 2022-12-02
Frequently asked questions
- What is Karen Carlson's NPI number?
- Karen Carlson's National Provider Identifier (NPI) is 1417114158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Carlson's specialty?
- Karen Carlson is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Carlson located?
- Karen Carlson's practice location on file with NPPES is 9200 W Wisconsin Ave, Milwaukee, WI 53226-3522.
- What is Karen Carlson's phone number?
- The practice phone number listed in the NPPES registry for Karen Carlson is (414) 805-6800.
- Does Karen Carlson accept Medicare?
- Karen Carlson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Carlson's NPI active?
- Yes — Karen Carlson's NPI (1417114158) is active in the NPPES registry as of the last update on 2022-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.