Robert Holdefer, PH.D.
NPI 1699714832 · Electroneurodiagnostic Specialist/Technologist · Milwaukee, WI
Robert Holdefer, PH.D. is a Electroneurodiagnostic Specialist/Technologist provider in Milwaukee, WI (NPI 1699714832).
Provider details
- NPI number
- 1699714832
- Entity type
- Individual
- Primary specialty
- Electroneurodiagnostic Specialist/TechnologistTechnologists, Technicians & Other Technical Service Providers
- Credential
- PH.D.
- Sex
- Male
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Profile Score
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
83% 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
- 2006-06-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Holdefer's NPI number?
- Robert Holdefer's National Provider Identifier (NPI) is 1699714832, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Holdefer's specialty?
- Robert Holdefer is listed in the NPPES registry with a primary specialty of Electroneurodiagnostic Specialist/Technologist (Technologists, Technicians & Other Technical Service Providers).
- Where is Robert Holdefer located?
- Robert Holdefer's practice location on file with NPPES is 8832 N Port Washington Rd, Milwaukee, WI 53217-1628.
- What is Robert Holdefer's phone number?
- The practice phone number listed in the NPPES registry for Robert Holdefer is (414) 351-6666.
- Is Robert Holdefer's NPI active?
- Yes — Robert Holdefer's NPI (1699714832) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.