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Jeffrey Gruchalski, DDS
NPI 1366603995 · General Practice Dentistry · New Berlin, WI
Jeffrey Gruchalski, DDS is a General Practice Dentistry provider in New Berlin, WI (NPI 1366603995).
Provider details
- NPI number
- 1366603995
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2263 (WI)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(87/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
4010 South Church Drive
New Berlin, WI 53151
Phone: (262) 784-2449
Fax: (262) 784-7873
Street-level locationGet directions
Mailing address
4010 South Church Drive
New Berlin, WI 53151
Registry dates
- Enumerated
- 2008-06-17
- Last updated
- 2008-06-17
Frequently asked questions
- What is Jeffrey Gruchalski's NPI number?
- Jeffrey Gruchalski's National Provider Identifier (NPI) is 1366603995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Gruchalski's specialty?
- Jeffrey Gruchalski is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is Jeffrey Gruchalski located?
- Jeffrey Gruchalski's practice location on file with NPPES is 4010 South Church Drive, New Berlin, WI 53151.
- What is Jeffrey Gruchalski's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Gruchalski is (262) 784-2449.
- Is Jeffrey Gruchalski's NPI active?
- Yes — Jeffrey Gruchalski's NPI (1366603995) is active in the NPPES registry as of the last update on 2008-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.