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DR. JASON JEROME PH.D., M.D.
NPI 1881055762
Emergency Medicine in O Fallon, IL

Active since March 18, 2016PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1 SAINT ELIZABETH BLVD, O FALLON, IL 62269(618) 234-2120 Get Directions Write a Review

NPPES record last updated: January 5, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 5, 2021, Nov 17, 2020, Jun 12, 2019 and 1 more (4 updates tracked since 2016).

About Dr. Jason Jerome Ph.d., M.d. NPPES

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

DR. JASON JEROME PH.D., M.D. (NPI 1881055762) is an individual emergency medicine provider in O Fallon, Illinois, licensed in California (A151956) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with St Josephs Hospital, and is a graduate of Tulane University School Of Medicine (2016).

NPPES Registry Identity

NPI1881055762
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JASON JEROMECredential: PH.D., M.D.
Location Address1 SAINT ELIZABETH BLVDO Fallon, IL 62269-1099
Mailing Address1 Saint Elizabeth BlvdO Fallon, IL 62269-1099
Phone(618) 234-2120
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 2016
Enumeration DateMarch 18, 2016
Last NPPES UpdateJanuary 5, 20214 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2021
✔ NPI 1881055762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A151956✔ Licensed in IL · 036153182
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1 SAINT ELIZABETH BLVD, O Fallon, IL 62269
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jason Jerome Ph.d., M.d. 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 ID1557654928
PECOS Enrollment IDI20201202002598
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Jason Jerome reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America Illinois LLP
0.5 mi
Emergency Medicine
1404 CROSS ST
Shiloh, IL 62269
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Cepamerica Illinois LLP
  • 982 clinicians in this Medicare group
NPI 1134587637 (618) 233-7750
Vituity - Illinois Auc LLP
2.0 mi
Emergency Medicine
1512 N GREEN MOUNT RD
O Fallon, IL 62269
  • Reassigned Medicare billing, Illinois enrollment
  • 119 clinicians in this Medicare group
NPI 1487142022 (618) 624-3750
Pinnacle Emergency Physicians Of Bakersfield, A Professional Corp
1,619 mi
Emergency Medicine
420 34TH ST
Bakersfield, CA 93301
  • Reassigned Medicare billing, California enrollment
  • 200 clinicians in this Medicare group
NPI 1619153251 (661) 327-4647

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
379 services356 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
91 services90 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
79 services76 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
62 services61 patients

Hospital Affiliations CMS Care Compare 2

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

St Josephs Hospital

Acute Care Hospitals · Breese, IL
OwnershipVoluntary non-profit - Church
CMS Certification Number140145
Location9515 Holy Cross LnBreese, IL 62230 · Clinton 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

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost94.69

Other Providers at the Same Location NPPES 20

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

ST ELIZABETHS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER
Rehabilitation Unit
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (618) 234-2120
KATHRYN LOHMAN PA-C
Physician Assistant
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (618) 234-2120
MS. SHAMBRA CULLUM APN
Nurse Practitioner (Family)
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (217) 994-1485
ATA U. SIDDIQUI M.D.
Anesthesiology
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (618) 234-2120
DR. VINCENT JOSEPH DUENAS MD
Hospitalist
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (618) 234-2120
CAITLIN ALONZO
Nurse Practitioner
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (618) 234-2120
CEP AMERICA-ILLINOIS HOSPITALISTS, LLP
Internal Medicine
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (618) 234-2120
JENNIFER L CRIPPS CRNA
Nurse Anesthetist, Certified Registered
1 SAINT ELIZABETH BLVD
O FALLON, IL 62269
St. Clair County (618) 234-2120

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 Jason Jerome's NPI number?

The NPI number for Jason Jerome is 1881055762. It was assigned to this individual provider in the NPPES registry on March 18, 2016.

Where is Jason Jerome located?

Jason Jerome practices at 1 Saint Elizabeth Blvd, O Fallon, IL 62269. The listed phone number is (618) 234-2120.

What is Jason Jerome's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Jason Jerome enrolled in Medicare?

Yes. Jason Jerome 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.

Which organizations bill Medicare for Jason Jerome's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Jerome reassigns Medicare benefits to 3 organizations: Cep America Illinois LLP (Shiloh, IL), Vituity - Illinois Auc LLP (O Fallon, IL) and Pinnacle Emergency Physicians Of Bakersfield, A Professional Corp (Bakersfield, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Jerome's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jason Jerome affiliated with any hospitals?

According to CMS data, Jason Jerome is affiliated with St Josephs Hospital and Hshs St Elizabeth's Hospital.

When was this NPI record last updated?

The NPPES record for Jason Jerome was last updated on January 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.