DOUGLAS J MARSHALL (M.D.) – Internal Medicine Physician, NPI 1477569499

DOUGLAS J MARSHALL (M.D.) is a healthcare provider. based in Morton, Illinois. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. The NPI Number for DOUGLAS J MARSHALL (M.D.) is 1477569499

Main info

Male
Sole Proprietor
34 Years Of Experience
Accepts Medicare Assignment
Name
DOUGLAS J MARSHALL (M.D.)
NPI
1477569499
Phone
(309) 266-8900
Address
110 N MAIN ST
Enumeration Date
31 July 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
SOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3092639124
Graduation Year
1992 (34 years ago)
PAC ID
5092702092
Group Practice PAC ID
1355259714
Professional Enrollment ID
I20040503000287
Address ID
IL615501426MO1909XAVEX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience43
Completeness75
Years active:19State licenses:0Digital endpointsOther names

8,828 INTERNAL MEDICINE in IL

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Provider Addresses for DOUGLAS J MARSHALL (M.D.)

  • 110, North Main Street, Morton, Tazewell County, Illinois, 61550, United States

    MORTON, IL 615502024

    Phone: (309) 266-8900

    Fax: (309) 263-6788

    Mailing address matches the actual address.

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: 2004-05-03

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
I20040503000287IInternal MedicineILTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J0897Injection, denosumab, 1 mg96012$0
36415Insertion of needle into vein for collection of blood sample741257$0
99214Established patient office or other outpatient visit, 30-39 minutes602267$0
99215Established patient office or other outpatient visit, 40-54 minutes230123$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit185185$0
View full utilization report →

Insurance plans in this area (ZIP 61550)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1355259714View full group profile

Reviews

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Frequently asked questions

Does DOUGLAS J MARSHALL (M.D.) have a public NPI I can cite?
Public records show DOUGLAS J MARSHALL (M.D.) under NPI 1477569499.
Should I treat DOUGLAS J MARSHALL (M.D.) as an active provider?
Patients and plans typically see DOUGLAS J MARSHALL (M.D.) as active in the national extract.
What services align with DOUGLAS J MARSHALL (M.D.)'s listing?
DOUGLAS J MARSHALL (M.D.)'s public classification highlights Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DOUGLAS J MARSHALL (M.D.)?
The directory associates DOUGLAS J MARSHALL (M.D.) with Morton, Illinois. Check all listed addresses for suites or satellite offices.
Why is information missing for DOUGLAS J MARSHALL (M.D.)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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