Mark Kevin Jacob, M.D.

Critical Care (Intensivists) · Internal Medicine (CMS) · Rockford, IL

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At a glance

1340 Charles St Ste 401, Rockford, IL 61104-2200

NPPES record updated Dec 27, 2024. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

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Practice location

1340 Charles St Ste 401
Rockford, IL 61104-2200

Additional reported practice locations

160 Allen St
Medical Staff Office
Rutland, VT 057014560
Phone: 9139097400
601 John St Ste M-510
Kalamazoo, MI 490075341
Phone: 2693417762
363 Fremont St Ste 100
Battle Creek, MI 490173395
Phone: 2692455100
300 E Warwick Dr
Alma, MI 488011014
Phone: 9897741101
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
Wayne State University School Of Medicine
Graduation year
2005
CMS specialties
Critical Care (Intensivists) · Internal Medicine

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1063688497
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Registry details

Primary taxonomy
Critical Care (Intensivists) · Internal Medicine (CMS)
Taxonomy code
207RP1001X
Enumeration date
May 6, 2008
Record updated
Dec 27, 2024
More registry details
Provider type
Individual · Type 1
Reported credentials
M.D.

Reported taxonomies and licenses

Internal Medicine

207R00000X

License reported: 4301086585 MI

Specialty details in registry

207RC0200X

License reported: 036.161882 IL

Specialty details in registry

207RC0200X

License reported: 04-331614 KS

Specialty details in registry

207RP1001X

License reported: 04-331614 KS

Specialty details in registry

207RP1001X · Primary

License reported: 2011-01117 NC

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

1340 Charles St Ste 401
Rockford, IL 61104-2200
Phone
(779) 696-6102
Mailing address
160 ALLEN ST
MEDICAL STAFF OFFICE
RUTLAND, VT 057014560
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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