There is no information available about a US nonprofit organization named "Senior Health Support Group" with EIN 273672021. Therefore, it is not possible to create a Wikipedia-style article based on the provided details. If you have access to more specific information about this organization, please provide it to assist in creating a comprehensive article.

[1] https://sdscf.org [2] https://www.crfbehavioralhealthcare.org/programs/senior-impact/ [3] https://211sandiego.org/olderadults/ [4] https://sdscf.org/senior-resources/ [5] https://elderhelpofsandiego.org