IndividualActive
John Lange, DDS
NPI 1437190469 · Dentist · Sparta, MI
John Lange, DDS is a Dentist provider in Sparta, MI (NPI 1437190469).
Provider details
- NPI number
- 1437190469
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Male
- License
- 2901011913 (MI)
Specialties & taxonomies
Dental Providers
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
62 N Union
Sparta, MI 49345
Phone: (616) 887-7355
Fax: (616) 887-2005
Street-level locationGet directions
Mailing address
62 N Union
Sparta, MI 49345
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Lange's NPI number?
- John Lange's National Provider Identifier (NPI) is 1437190469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Lange's specialty?
- John Lange is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is John Lange located?
- John Lange's practice location on file with NPPES is 62 N Union, Sparta, MI 49345.
- What is John Lange's phone number?
- The practice phone number listed in the NPPES registry for John Lange is (616) 887-7355.
- Is John Lange's NPI active?
- Yes — John Lange's NPI (1437190469) 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.