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

Alexander Joseph Lake, DO

Individual provider Pediatric Hematology & Oncology Physician · NPI 1255860789

Alexander Joseph Lake, DO is a Pediatric Hematology & Oncology Physician in Grand Rapids, Michigan. Licensed in Michigan. Registered with an NPI since 2017.

Licensed in
MI
In the registry since
2017
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

35 Michigan St NE Fl 2
Grand Rapids, MI 49503-2514
Phone: (616) 267-1925
Fax: (616) 267-1005
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 5101025698 (MI)

Record details

NPI number1255860789
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 8, 2017
Last updated in NPPESMay 8, 2025
Certification dateMay 8, 2025
Mailing address100 Michigan St Ne # Mc845, Grand Rapids, MI 49503-2560

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