DR. JACOB C. JR. MARSHALL (M.D.) – Family Medicine Physician, NPI 1922081249

DR. JACOB C. JR. MARSHALL (M.D.) is a healthcare provider. based in O fallon, Illinois. specializing in Family Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 036102192 (IL). The NPI Number for DR. JACOB C. JR. MARSHALL (M.D.) is 1922081249

Main info

Male
Sole Proprietor
Name
DR. JACOB C. JR. MARSHALL (M.D.)
NPI
1922081249
Phone
(888) 577-6337
Address
103 N OAK ST
Enumeration Date
21 November 2005
Last Update Date
12 July 2010
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for DR. JACOB C. JR. MARSHALL (M.D.)

  • 103, North Oak Street, Petersburg, O'Fallon, Saint Clair County, Illinois, 62269, United States

    O FALLON, IL 622691165

    Phone: (888) 577-6337

    Type: Location

  • 2200 BOWLER RD

    COLLINSVILLE, IL 622347012

    Phone: (618) 977-9607

    Fax: (618) 624-9302

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-02-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040228000434IFamily PracticeILTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 62269)

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Reviews

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Frequently asked questions

Does DR. JACOB C. JR. MARSHALL (M.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. JACOB C. JR. MARSHALL (M.D.) uses 1922081249.
Does CMS list DR. JACOB C. JR. MARSHALL (M.D.) as active?
Yes — DR. JACOB C. JR. MARSHALL (M.D.) is active in the NPI listing used on this page.
What healthcare role does DR. JACOB C. JR. MARSHALL (M.D.) hold?
Scheduling teams often label DR. JACOB C. JR. MARSHALL (M.D.) under Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Where is DR. JACOB C. JR. MARSHALL (M.D.) based?
DR. JACOB C. JR. MARSHALL (M.D.) is tied to O Fallon, Illinois in the data we show; additional addresses may exist on the full record.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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