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

Dr. Mark Kevin Jacob, MD

Individual provider Internal Medicine Physician · NPI 1063688497

Dr. Mark Kevin Jacob, MD is a Critical Care (Intensivists) in Rockford, Illinois. Graduated from Wayne State University School of Medicine in 2005, 21 years ago. Practices with Advantage Health/Saint Mary's Medical Group, a 494-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Illinois, Kansas, Michigan and North Carolina.

Years since qualifying
21
Trained at
Wayne State University School of Medicine
Licensed in
IL, KS, MI, NC
In the registry since
2008
Specialties on file
5
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

1340 Charles St Ste 401
Rockford, IL 61104-2200
Phone: (779) 696-6102
Show map & directions

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

Additional practice locations (4)

  • 300 E Warwick Dr, Alma, MI 48801-1014 — (989) 774-1101
  • 363 Fremont St Ste 100, Battle Creek, MI 49017-3395 — (269) 245-5100
  • 601 John St Ste M-510, Kalamazoo, MI 49007-5341 — (269) 341-7762
  • 160 Allen St, Rutland, VT 05701-4560 — (913) 909-7400

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 2011-01117 (NC)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301086585 (MI)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 036.161882 (IL)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 04-331614 (KS)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 04-331614 (KS)

Record details

NPI number1063688497
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2008
Last updated in NPPESDecember 27, 2024
Certification dateDecember 27, 2024

Medicare enrollment

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

Medicare specialtyCRITICAL CARE (INTENSIVISTS)
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Advantage Health/Saint Mary'S Medical Group — 494 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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