IndividualActive
Karen Janson, MD
NPI 1083633523 · Pediatrics Physician · South Haven, MI
Karen Janson, MD is a Pediatrics Physician provider in South Haven, MI (NPI 1083633523).
Provider details
- NPI number
- 1083633523
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301053992 (MI)
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
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
955 S Bailey Ave
Suite 2-1
South Haven, MI 49090-6743
Phone: (269) 639-2772
Fax: (269) 639-2770
Street-level locationGet directions
Mailing address
955 S Bailey Ave
South Haven, MI 49090-6743
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2016-11-22
Frequently asked questions
- What is Karen Janson's NPI number?
- Karen Janson's National Provider Identifier (NPI) is 1083633523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Janson's specialty?
- Karen Janson is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Janson located?
- Karen Janson's practice location on file with NPPES is 955 S Bailey Ave, South Haven, MI 49090-6743.
- What is Karen Janson's phone number?
- The practice phone number listed in the NPPES registry for Karen Janson is (269) 639-2772.
- Is Karen Janson's NPI active?
- Yes — Karen Janson's NPI (1083633523) is active in the NPPES registry as of the last update on 2016-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.