DR. JAMES LEON II JABLONSKI (M.D.) – Family Medicine Physician, NPI 1194712513

DR. JAMES LEON II JABLONSKI (M.D.) is a healthcare provider. based in O fallon, Illinois. specializing in FAMILY PRACTICE. They hold the professional credentials M.D.. They hold a License No. 036-100341 (IL). The NPI Number for DR. JAMES LEON II JABLONSKI (M.D.) is 1194712513

Main info

Male
33 Years Of Experience
Accepts Medicare Assignment
Name
DR. JAMES LEON II JABLONSKI (M.D.)
NPI
1194712513
Phone
(618) 256-4287
Address
3 SAINT ELIZABETH BLVD STE 4000
Enumeration Date
30 September 2005
Last Update Date
11 March 2026

Doctor Profile

Medical School Name
UNIFORMED SERVICES UHS FE HEBERT SCHOOL OF MED
Secondary Phone
2173219292
Graduation Year
1993 (33 years ago)
PAC ID
5597764456
Group Practice PAC ID
5092857821
Professional Enrollment ID
I20061204000479
Address ID
IL622692495OX100XXCTXX300

Contacts

Secure Messaging
jjablonski100725@ewd.direct.hshs.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness95
Years active:20State licenses:1Other names

5,037 FAMILY PRACTICE in IL

Provider Addresses for DR. JAMES LEON II JABLONSKI (M.D.)

  • 3 SAINT ELIZABETH BLVD STE 4000

    O FALLON, IL 622691284

    Phone: (618) 256-4287

    Type: Mailing

  • 310 W LOSEY ST

    SCOTT AFB, IL 622255250

    Phone: (618) 256-4287

    Fax: (618) 222-4792

    Type: Location

  • 1116 HARTMAN LN

    SHILOH, IL 622218014

    Phone: (618) 641-9011

    Fax: (618) 641-9017

    Type: Location

  • 100 SPRINGFIELD CT

    O FALLON, IL 622692495

    Phone: (618) 632-3565

    Fax: (618) 632-7693

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 6 Open Payments records for all available years, with a total value of $109.

Total Amount is formed as General ($109) + Research ($0) + Ownership ($0) = $109.

Last reported payment date: 2024-08-13 • Largest payer in this snapshot: Abbott Laboratories ($22).

Total Amount

$109

General + Research + Ownership

Payments

6

Total payment records

General Amount

$109

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-08-13

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2006-12-04

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
I20061204000479IFamily 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.

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes909324$0
36415Insertion of needle into vein for collection of blood sample183117$0
99213Established patient office or other outpatient visit, 20-29 minutes176124$0
83036Hemoglobin a1c level9677$0
G0008Administration of influenza virus vaccine6969$0
View full utilization report →

Insurance plans in this area (ZIP 62269)

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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: 5092857821View full group profile

Reviews

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Frequently asked questions

Does DR. JAMES LEON II JABLONSKI (M.D.) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. JAMES LEON II JABLONSKI (M.D.) uses 1194712513.
Does CMS list DR. JAMES LEON II JABLONSKI (M.D.) as active?
Yes — DR. JAMES LEON II JABLONSKI (M.D.) is active in the NPI listing used on this page.
What taxonomy line describes DR. JAMES LEON II JABLONSKI (M.D.)?
For research purposes, treat DR. JAMES LEON II JABLONSKI (M.D.) as Family Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
What area does DR. JAMES LEON II JABLONSKI (M.D.) serve?
DR. JAMES LEON II JABLONSKI (M.D.)'s listing highlights O Fallon, Illinois; more addresses can appear in NPPES.
Why does DR. JAMES LEON II JABLONSKI (M.D.) have multiple addresses?
6 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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