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STEPHANIE LYNN SIMPSON D.O.
NPI 1598183378
Hospitalist in O'fallon, IL

Active since March 31, 2014PECOS EnrolledAccepts Medicare Assignment
90.77/100
CMS Quality Rating
3 ST. ELIZABETH'S BLVD, STE 4000, O'FALLON, IL 62269(618) 233-5480(618) 222-4792 Get Directions Write a Review

NPPES record last updated: June 15, 2021. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Jun 15, 2021, Apr 12, 2018, Nov 9, 2015 (3 updates tracked since 2015).

About Stephanie Lynn Simpson D.o. NPPES

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

STEPHANIE LYNN SIMPSON D.O. (NPI 1598183378) is an individual hospitalist provider in O'fallon, Illinois, licensed in Illinois (036157114) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Hshs St Elizabeth's Hospital, and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1598183378
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameSTEPHANIE LYNN SIMPSONCredential: D.O.
Location Address3 ST. ELIZABETH'S BLVD, STE 4000O'fallon, IL 62269
Mailing Address3 St. Elizabeth's Blvd Ste 4000O Fallon, IL 62269-1284 · (618) 233-5480 · Fax (618) 222-4792
Phone(618) 233-5480
Fax(618) 222-4792
Sole ProprietorNo
Medical School CMSEdward Via Col Of Osteo Medicine-virginia CampusGraduated 2014
Enumeration DateMarch 31, 2014
Last NPPES UpdateJune 15, 20213 updates tracked since enumeration
NPPES CertifiedJune 15, 2021
✔ NPI 1598183378 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in IL · 036157114
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3 ST. ELIZABETH'S BLVD, O'fallon, IL 62269
Open in Google Maps ↗

Secondary Practice Location 1

Location 11402 S Grand Blvd # M260Saint Louis, MO 63104-1004 · Phone (314) 577-8750

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

Stephanie Lynn Simpson D.o. 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 ID4688976160
PECOS Enrollment IDI20210713003488
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 6

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
661 services242 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
217 services211 patients
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.
116 services68 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.
102 services37 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
65 services63 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

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

St Joseph's Hospital

Critical Access Hospitals · Highland, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number141336
Location12866 Troxler AvenueHighland, IL 62249 · Madison County
Emergency services

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
$131.14 typical visit price
range $56.28 – $173.35
Typical copayment $32.78 (range $14.07 – $43.33)
Most-billed visit code 99204
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.

90.77/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.98
Improvement Activities40
Cost68.13

Other Providers at the Same Location NPPES

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

DR. HINA USMAN MD
Family Medicine
3 ST. ELIZABETH'S BLVD, STE 4000
O'FALLON, IL 62269
St. Clair County (618) 233-5480

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 Stephanie Simpson's NPI number?

The NPI number for Stephanie Simpson is 1598183378. It was assigned to this individual provider in the NPPES registry on March 31, 2014.

Where is Stephanie Simpson located?

Stephanie Simpson practices at 3 St. Elizabeth's Blvd Ste 4000, O'fallon, IL 62269. The listed phone number is (618) 233-5480.

What is Stephanie Simpson's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Stephanie Simpson enrolled in Medicare?

Yes. Stephanie Simpson 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.

Is Stephanie Simpson affiliated with any hospitals?

According to CMS data, Stephanie Simpson is affiliated with Hshs St Elizabeth's Hospital and St Joseph's Hospital.

When was this NPI record last updated?

The NPPES record for Stephanie Simpson was last updated on June 15, 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.