Benjamin Maruska, MD
NPI 1699525691 · Anesthesiology Physician · Milwaukee, WI
Enrolled with Medicare as Order and Referring Only - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Maruska, MD is a Anesthesiology Physician provider in Milwaukee, WI (NPI 1699525691).
Provider details
- NPI number
- 1699525691
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 101200-851 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-03-25
- Last updated
- 2024-06-13
- Certified
- 2024-06-13
Frequently asked questions
- What is Benjamin Maruska's NPI number?
- Benjamin Maruska's National Provider Identifier (NPI) is 1699525691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Maruska's specialty?
- Benjamin Maruska is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Maruska located?
- Benjamin Maruska's practice location on file with NPPES is 8701 Watertown Plank Rd, Milwaukee, WI 53226-3548.
- What is Benjamin Maruska's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Maruska is (414) 955-4575.
- Does Benjamin Maruska accept Medicare?
- Benjamin Maruska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Maruska's NPI active?
- Yes — Benjamin Maruska's NPI (1699525691) is active in the NPPES registry as of the last update on 2024-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.