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MS. CLAIRE M VARGO FNP
NPI 1831712835
Nurse Practitioner in O Fallon, IL

Active since May 26, 2020PECOS EnrolledAccepts Medicare Assignment
92.39/100
CMS Quality Rating
3 SAINT ELIZABETH BLVD STE 1800, O FALLON, IL 62269(618) 233-6044(618) 233-5195 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 4, 2026, Sep 17, 2025, Jun 6, 2025 and 6 more (9 updates tracked since 2020).

About Ms. Claire M Vargo Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. CLAIRE M VARGO FNP (NPI 1831712835) is an individual nurse practitioner in O Fallon, Illinois, licensed in Illinois (209019577) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and maintains a secondary practice location in Belleville.

NPPES Registry Identity

NPI1831712835
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMS. CLAIRE M VARGOCredential: FNP
Location Address3 SAINT ELIZABETH BLVD STE 1800O Fallon, IL 62269-1281
Mailing Address3 Saint Elizabeth Blvd Ste 1800O Fallon, IL 62269-1281 · (618) 233-6044 · Fax (618) 233-5195
Phone(618) 233-6044
Fax(618) 233-5195
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMay 26, 2020
Last NPPES UpdateFebruary 4, 20269 updates tracked since enumeration
NPPES CertifiedFebruary 4, 2026
✔ NPI 1831712835 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in IL · 209019577
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 209019577 (IL)
3 SAINT ELIZABETH BLVD STE 1800, O Fallon, IL 62269
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Secondary Practice Location 1

Location 14500 Memorial Dr, Div Medical OncologyBelleville, IL 62226-5360 · Phone (800) 647-2098 · Fax (314) 362-3192

Other Identifiers 1

Medicaid420105608MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Claire M Vargo Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355766098
PECOS Enrollment IDI20200729000845
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
217 services88 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
98 services90 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services41 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
12 services12 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
12 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Hshs St Elizabeth's Hospital

Acute Care Hospitals · O Fallon, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140187
LocationOne St Elizabeth BoulevardO Fallon, IL 62269 · St. Clair County
Emergency services Birthing friendly

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62269 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.44 typical visit price
range $56.28 – $173.35
Typical copayment $22.11 (range $14.07 – $43.33)
Most-billed visit code 99203
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.81
Promoting Interoperability100
Improvement Activities40
Cost70.26

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MUHAMMAD ADIL SHEIKH M.D.
Internal Medicine (Interventional Cardiology)
3 SAINT ELIZABETH BLVD STE 1800
O FALLON, IL 62269
St. Clair County (618) 233-6044
SYDNEY POLLMANN APRN
Nurse Practitioner (Family)
3 SAINT ELIZABETH BLVD STE 1800
O FALLON, IL 62269
St. Clair County (618) 233-6044
HASAN REHMAN
Internal Medicine (Interventional Cardiology)
3 SAINT ELIZABETH BLVD STE 1800
O FALLON, IL 62269
St. Clair County (618) 233-6044
MISS CHELSEA RENEE BELL FNP-C
Nurse Practitioner (Family)
3 SAINT ELIZABETH BLVD STE 1800
O FALLON, IL 62269
St. Clair County (618) 233-6044
RECE PORTELL PA
Physician Assistant
3 SAINT ELIZABETH BLVD STE 1800
O FALLON, IL 62269
St. Clair County (618) 233-6044
SUMMIT SUBHASH PANDAT M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
3 SAINT ELIZABETH BLVD STE 1800
O FALLON, IL 62269
St. Clair County (618) 233-6044

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Claire Vargo's NPI number?

The NPI number for Claire Vargo is 1831712835. It was assigned to this individual provider in the NPPES registry on May 26, 2020.

Where is Claire Vargo located?

Claire Vargo practices at 3 Saint Elizabeth Blvd Ste 1800, O Fallon, IL 62269. The listed phone number is (618) 233-6044.

What is Claire Vargo's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Claire Vargo enrolled in Medicare?

Yes. Claire Vargo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Claire Vargo accept?

Health plans from Cox HealthPlans list Claire Vargo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Claire Vargo affiliated with any hospitals?

According to CMS data, Claire Vargo is affiliated with Memorial Hospital, Hshs St Elizabeth's Hospital and Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Claire Vargo was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.