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

Dr. Justin K Liegmann, MD

Individual provider Sleep Medicine (Psychiatry & Neurology) Physician · NPI 1750513099

Dr. Justin K Liegmann, MD is a Psychiatry in Grand Blanc, Michigan. Qualified in 2007, 19 years ago. Practices with Cognosis Health Hillside, a 15-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Florida and Michigan.

Years since qualifying
19
Licensed in
FL, MI
In the registry since
2009
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5445 Ali Dr Dept 320
Grand Blanc, MI 48439-5193
Phone: (810) 428-1181
Fax: (810) 426-0009
Show map & directions

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

Additional practice locations (2)

  • 130 S University Dr, Plantation, FL 33324-3357 — (954) 634-7966
  • 541 Cedar Hill Ave, Wyckoff, NJ 07481-2150 — (508) 221-6805

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 4301097584 (MI)
Sleep Medicine (Psychiatry & Neurology) Physician Taxonomy 2084S0012X · Licence 4301097584 (MI)
Psychiatry Physician Taxonomy 2084P0800X · Licence ME160935 (FL)

Record details

NPI number1750513099
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2009
Last updated in NPPESMarch 19, 2026
Certification dateMarch 19, 2026

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Cognosis Health Hillside — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services