DR. MOLLY JO NELSEN (D.O.) – Family Medicine Physician, NPI 1437243581

DR. MOLLY JO NELSEN (D.O.) is a healthcare provider. based in Belleville, Illinois. specializing in FAMILY PRACTICE. They hold the professional credentials D.O.. They hold a License No. 2009033144 (MO). The NPI Number for DR. MOLLY JO NELSEN (D.O.) is 1437243581

Main info

Female
22 Years Of Experience
Accepts Medicare Assignment
Name
DR. MOLLY JO NELSEN (D.O.)
NPI
1437243581
Phone
(618) 256-7311
Address
180 S 3RD ST STE 300
Enumeration Date
3 October 2006
Last Update Date
1 August 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
3146150560
Graduation Year
2004 (22 years ago)
PAC ID
0244423820
Group Practice PAC ID
0941285720
Professional Enrollment ID
I20101015000636
Address ID
MO631342003SA6121XRDXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness75
Years active:19State licenses:2Digital endpointsOther names

5,041 FAMILY PRACTICE in IL

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Provider Addresses for DR. MOLLY JO NELSEN (D.O.)

  • 300, South 3rd Street, Belleville, Saint Clair County, Illinois, 62220, United States

    BELLEVILLE, IL 622201952

    Phone: (618) 256-7311

    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: 2010-10-15

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
I20101015000636IFamily PracticeMOTBD

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
91322Sarscov2 vac 50 mcg/0.5ml im242242$0
90480Admn sarscov2 vacc 1 dose240240$0
90662Influenza vaccine split virus, preservative free128128$0
99214Established patient office or other outpatient visit, 30-39 minutes9554$0
G0008Administration of influenza virus vaccine9292$0
View full utilization report →

Insurance plans in this area (ZIP 62220)

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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: 0941285720View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YSC
Family PracticeMO
Nurse PractitionerMO
-MO
Family PracticeOK
O B S T E T R I C S/ G Y N E C O L O G YKS
-MO
-MO
-MO
Physician AssistantMO

Reviews

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Frequently asked questions

Does DR. MOLLY JO NELSEN (D.O.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. MOLLY JO NELSEN (D.O.) uses 1437243581.
Can I rely on DR. MOLLY JO NELSEN (D.O.) being an active provider?
As of the registry snapshot, DR. MOLLY JO NELSEN (D.O.) is marked active.
What taxonomy line describes DR. MOLLY JO NELSEN (D.O.)?
For research purposes, treat DR. MOLLY JO NELSEN (D.O.) as Family Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
What address line appears for DR. MOLLY JO NELSEN (D.O.)?
DR. MOLLY JO NELSEN (D.O.)'s geographic hint is Belleville, Illinois in our summary view.
Why does DR. MOLLY JO NELSEN (D.O.) have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.