Internists Ltd
NPI 1952478299 · Internal Medicine Physician · New Berlin, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Internists Ltd is a Internal Medicine Physician organization in New Berlin, WI (NPI 1952478299).
Provider details
- NPI number
- 1952478299
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Margaret Podlisecki, Office Manager(262) 754-2555
- License
- 38648 (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
19 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
- 2006-11-30
- Last updated
- 2025-03-19
- Certified
- 2025-03-19
Frequently asked questions
- What is Internists Ltd's NPI number?
- Internists Ltd's National Provider Identifier (NPI) is 1952478299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Internists Ltd?
- Internists Ltd is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Internists Ltd located?
- Internists Ltd's practice location on file with NPPES is 12555 W National Ave, New Berlin, WI 53151.
- What is Internists Ltd's phone number?
- The practice phone number listed in the NPPES registry for Internists Ltd is (262) 754-2555.
- Does Internists Ltd accept Medicare?
- Internists Ltd is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Internists Ltd?
- The authorized official listed on Internists Ltd's NPPES record is Margaret Podlisecki, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Internists Ltd's NPI active?
- Yes — Internists Ltd's NPI (1952478299) is active in the NPPES registry as of the last update on 2025-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.