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DORRIE C TREDWAY MD
NPI 1891787040
Family Medicine in O Fallon, IL

Active since August 15, 2005PECOS EnrolledAccepts Medicare Assignment
94.61/100
CMS Quality Rating
1512 N GREEN MOUNT RD, SUITE 108, O FALLON, IL 62269(618) 624-5510(618) 624-5529 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 20, 2021, Jun 23, 2016 (2 updates tracked since 2016).

About Dorrie C Tredway Md NPPES

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

DORRIE C TREDWAY MD (NPI 1891787040) is an individual family medicine provider in O Fallon, Illinois, licensed in Illinois (036108951) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with St Johns Hospital, and is a graduate of Rush Medical College Of Rush University (2000).

NPPES Registry Identity

NPI1891787040
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDORRIE C TREDWAYCredential: MD
Location Address1512 N GREEN MOUNT RD, SUITE 108O Fallon, IL 62269-2083
Mailing Address1512 N Green Mount Rd, Suite 108O Fallon, IL 62269-2083 · (618) 624-5510 · Fax (618) 624-5529
Phone(618) 624-5510
Fax(618) 624-5529
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2000
Enumeration DateAugust 15, 2005
Last NPPES UpdateDecember 20, 20212 updates tracked since enumeration
NPPES CertifiedDecember 20, 2021
✔ NPI 1891787040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in IL · 036108951✔ Licensed in MO · 2008010712
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1512 N GREEN MOUNT RD, O Fallon, IL 62269
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Other Names 1

Former Name (1)Dorrie C Cappelletti Md

Other Identifiers 1

Other156490007MO · Mo Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware and more.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

Dorrie C Tredway Md 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 ID8628960259
PECOS Enrollment IDI20040327000095
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 9

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
220 services123 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.
83 services68 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
36 services35 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
31 services31 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
31 services28 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
27 services26 patients

Hospital Affiliations CMS Care Compare 3

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

St Johns Hospital

Acute Care Hospitals · Springfield, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140053
Location800 E Carpenter StSpringfield, IL 62769 · Sangamon County
Emergency services Birthing friendly

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

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.

94.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.17
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 19

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
Clinic/Center
1512 N GREEN MOUNT RD, SUITE 200
O FALLON, IL 62269
St. Clair County (618) 234-2120
ST ELIZABETHS HOSPITAL OF THE HOSPITAL SISTERS OF THE THIRD ORDER
Family Medicine
1512 N GREEN MOUNT RD, SUITE 108
O FALLON, IL 62269
St. Clair County (618) 624-5510
VERONICA MINERVA CONTASTI MD
Internal Medicine
1512 N GREEN MOUNT RD
O FALLON, IL 62269
St. Clair County (872) 985-7137
LA SANTE WISCONSIN INC.
Durable Medical Equipment & Medical Supplies
1512 N GREEN MOUNT RD
O FALLON, IL 62269
St. Clair County (920) 465-3000
GREGORY CESAR CLIMACO MD
Family Medicine
1512 N GREEN MOUNT RD, SUITE 108
O'FALLON, IL 62269
St. Clair County (618) 624-5510
VITUITY - ILLINOIS AUC LLP
Emergency Medicine
1512 N GREEN MOUNT RD
O FALLON, IL 62269
St. Clair County (618) 624-3750
MIDWEST EMERGENCY MANAGEMENT, INC.
Clinic/Center (Urgent Care)
1512 N GREEN MOUNT RD
O FALLON, IL 62269
St. Clair County (618) 624-3750
TARA TOPPER FNP-C
Nurse Practitioner (Family)
1512 N GREEN MOUNT RD
O FALLON, IL 62269
St. Clair County (619) 624-3368

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 Dorrie Tredway's NPI number?

The NPI number for Dorrie Tredway is 1891787040. It was assigned to this individual provider in the NPPES registry on August 15, 2005. The provider is also known as Dorrie C Cappelletti MD.

Where is Dorrie Tredway located?

Dorrie Tredway practices at 1512 N Green Mount Rd Suite 108, O Fallon, IL 62269. The listed phone number is (618) 624-5510.

What is Dorrie Tredway's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Dorrie Tredway enrolled in Medicare?

Yes. Dorrie Tredway 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 Dorrie Tredway accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and UnitedHealthcare list Dorrie Tredway 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 Dorrie Tredway affiliated with any hospitals?

According to CMS data, Dorrie Tredway is affiliated with St Johns Hospital, Memorial Hospital and Hshs St Elizabeth's Hospital.

When was this NPI record last updated?

The NPPES record for Dorrie Tredway was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.