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

DR. WILLIAM CHOTAS M.D.
NPI 1588058838
Pediatrics - Neonatal-Perinatal Medicine in Carbondale, IL

Active since March 25, 2015PECOS Enrolled
405 W JACKSON ST, CARBONDALE, IL 62901(618) 549-0721(618) 529-0549 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 16, 2026, Dec 17, 2025, Aug 14, 2024 and 3 more (6 updates tracked since 2021).

About Dr. William Chotas M.d. NPPES

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

DR. WILLIAM CHOTAS M.D. (NPI 1588058838) is an individual neonatal-perinatal medicine provider in Carbondale, Illinois, licensed in Illinois (036169441) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS and maintains a secondary practice location in Gainesville.

NPPES Registry Identity

NPI1588058838
Entity TypeIndividualMale
Primary Taxonomy2080N0001X
Provider Legal NameDR. WILLIAM CHOTASCredential: M.D.
Location Address405 W JACKSON STCarbondale, IL 62901-1462
Mailing AddressPo Box 3988Carbondale, IL 62902-3988 · (618) 457-5200
Fax(618) 529-0549
Sole ProprietorNo
Enumeration DateMarch 25, 2015
Last NPPES UpdateOctober 16, 20266 updates tracked since enumeration
NPPES CertifiedOctober 16, 2026
✔ NPI 1588058838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in IL · 036169441✔ Licensed in FL · ME136487
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License 036169441 (IL)
405 W JACKSON ST, Carbondale, IL 62901

Secondary Practice Location 1

Location 16500 W Newberry RdGainesville, FL 32605-4309 · Phone (352) 333-4000

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Chotas M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show William Chotas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
1239 E MAIN ST
Carbondale, IL 62901
  • Reassigned Medicare billing, Illinois enrollment
  • 702 clinicians in this Medicare group
General Acute Care Hospital
133 FAIRFIELD ST
Saint Albans, VT 05478
  • Reassigned Medicare billing, Vermont enrollment
  • 184 clinicians in this Medicare group

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

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.

Physician Assistant
405 W JACKSON ST
CARBONDALE, IL 62901
Pathology (Anatomic Pathology & Clinical Pathology)
405 W JACKSON ST
CARBONDALE, IL 62901
Emergency Medicine
405 W JACKSON ST, MEMORIAL HOSPITAL
CARBONDALE, IL 62901
Anesthesiology
405 W JACKSON ST
CARBONDALE, IL 62901
Physician Assistant
405 W JACKSON ST
CARBONDALE, IL 62901
Nurse Anesthetist, Certified Registered
405 W JACKSON ST
CARBONDALE, IL 62901
Pharmacist
405 W JACKSON ST
CARBONDALE, IL 62901
Emergency Medicine
405 W JACKSON ST
CARBONDALE, IL 62901

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 William Chotas's NPI number?

The NPI number for William Chotas is 1588058838. It was assigned to this individual provider in the NPPES registry on March 25, 2015.

Where is William Chotas located?

William Chotas practices at 405 W Jackson St, Carbondale, IL 62901. The listed phone number is (618) 549-0721.

What is William Chotas's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is William Chotas enrolled in Medicare?

Yes. William Chotas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Chotas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Chotas reassigns Medicare benefits to 2 organizations: Southern Illinois Medical Services, Nfp (Carbondale, IL) and Northwestern Medical Center Inc (Saint Albans, VT). 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 William Chotas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Chotas accept?

Health plans from Anthem Blue Cross and Blue Shield list William Chotas 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 William Chotas was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.