Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. STEVEN JAMES BYRNES PSY.D.
NPI 1144218785
Psychologist - Clinical in Scott Afb, IL

Q: What is Steven Byrnes's NPI number?

The NPI number for Steven Byrnes is 1144218785. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Q: What is Steven Byrnes's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Steven Byrnes was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.

Active since October 07, 2005PECOS Enrolled

310 W LOSEY ST, 375 MDG/SGOH, SCOTT AFB, IL 62225(618) 256-3426 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Steven James Byrnes Psy.d. NPPES

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

DR. STEVEN JAMES BYRNES PSY.D. (NPI 1144218785) is an individual clinical provider in Scott Afb, Illinois and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1144218785

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. STEVEN JAMES BYRNESCredential: PSY.D.

Location Address310 W LOSEY ST, 375 MDG/SGOHScott Afb, IL 62225-5250

Mailing Address1417 Nottinghill DrO Fallon, IL 62269-6887 · (618) 624-3897

Phone(618) 256-3426

Sole ProprietorNo

Medical School CMSOtherGraduated 1992

Enumeration DateOctober 7, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1144218785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

310 W LOSEY ST, Scott Afb, IL 62225

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Dr. Steven James Byrnes Psy.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 ID648426783

PECOS Enrollment IDI20231102001732

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62225 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

$173.35 typical visit price

range $56.28 – $173.35

Typical copayment $43.33 (range $14.07 – $43.33)

Most-billed visit code 99205

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.

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.

DR. TODD ALAN SCHULTZ D.M.D.

Dentist (Oral and Maxillofacial Surgery)

310 W LOSEY ST
SCOTT AFB, IL 62225

St. Clair County (618) 256-7079

DAWN WILSON PT

Physical Therapist

310 W LOSEY ST
SCOTT AFB, IL 62225

St. Clair County (618) 256-6267

MR. SEAN J MCNAMARA RPH.

Pharmacist

310 W LOSEY ST
SCOTT AFB, IL 62225

St. Clair County (618) 256-6150

DR. PATSY FRANCES KREMSREITER MD

Family Medicine

310 W LOSEY ST
SCOTT AFB, IL 62225

St. Clair County (618) 256-9355

JOAN FOMBOH TELAZIE-SIMONS RN

Registered Nurse

310 W LOSEY ST
SCOTT AIR FORCE BASE, IL 62225

St. Clair County (618) 256-9355

DR. SARAH KATHERINE TURBUSH DDS

Dentist (Prosthodontics)

310 W LOSEY ST
SCOTT AFB, IL 62225

St. Clair County (618) 256-6667

DR. CASEY TIMMERMAN DO

Obstetrics & Gynecology

310 W LOSEY ST
SCOTT AFB, IL 62225

St. Clair County (618) 256-7669

CHRISTINE LEIGH KMIECIK

Social Worker (Clinical)

310 W LOSEY ST
SCOTT AIR FORCE BASE, IL 62225

St. Clair County (618) 256-9355

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 Steven Byrnes's NPI number?

The NPI number for Steven Byrnes is 1144218785. It was assigned to this individual provider in the NPPES registry on October 7, 2005.

Where is Steven Byrnes located?

Steven Byrnes practices at 310 W Losey St 375 Mdg/Sgoh, Scott Afb, IL 62225. The listed phone number is (618) 256-3426.

What is Steven Byrnes's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Steven Byrnes enrolled in Medicare?

Yes. Steven Byrnes 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 Steven Byrnes accept?

Health plans from UnitedHealthcare list Steven Byrnes 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.

When was this NPI record last updated?

The NPPES record for Steven Byrnes was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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.