Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Matthew D Jachalke, LMSW

Individual provider Clinical Social Worker · NPI 1306833439

Matthew D Jachalke, LMSW is a Clinical Social Worker in Grand Rapids, Michigan. Qualified in 2002, 24 years ago. Practices with Pine Rest Christian Mental Health Services, a 353-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
24
Licensed in
MI
In the registry since
2005
What do these letters mean?
LMSW — Licensed Master Social Worker
A master's-level social worker, usually practising under supervision.

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Practice location Address checks out

300 68th St SE
Grand Rapids, MI 49548-6927
Phone: (616) 455-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 6801087083 (MI)

Record details

NPI number1306833439
Entity typeIndividual (Type 1)
GenderMale
Credentials LMSW
Sole proprietorNo
NPI enumeratedOctober 4, 2005
Last updated in NPPESMay 24, 2016

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Pine Rest Christian Mental Health Services — 353 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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