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Peter Geiss, M.D.
NPI 1881666782 · Internal Medicine Physician · Waukesha, WI
Peter Geiss, M.D. is a Internal Medicine Physician provider in Waukesha, WI (NPI 1881666782).
Provider details
- NPI number
- 1881666782
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 24374 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
N17 W24100 Riverwood Dr
Waukesha Health Care Inc, Suite 130
Waukesha, WI 53188
Phone: (262) 928-4100
Fax: (262) 928-5835
Approximate (ZIP-level) locationGet directions
Mailing address
N17 W24100 Riverwood Dr. Suite 130
Waukesha, WI 53188
Registry dates
- Enumerated
- 2006-02-03
- Last updated
- 2009-03-16
Frequently asked questions
- What is Peter Geiss's NPI number?
- Peter Geiss's National Provider Identifier (NPI) is 1881666782, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Geiss's specialty?
- Peter Geiss is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Geiss located?
- Peter Geiss's practice location on file with NPPES is N17 W24100 Riverwood Dr, Waukesha, WI 53188.
- What is Peter Geiss's phone number?
- The practice phone number listed in the NPPES registry for Peter Geiss is (262) 928-4100.
- Is Peter Geiss's NPI active?
- Yes — Peter Geiss's NPI (1881666782) is active in the NPPES registry as of the last update on 2009-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.