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ARTHUR OSCAR SIERON M.D.
NPI 1477230555
Emergency Medicine in Saginaw, MI

Active since June 30, 2023PECOS Enrolled
1000 HOUGHTON AVENUE, SAGINAW, MI 48602(989) 746-7500 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 4, 2026, Mar 24, 2026, Oct 25, 2023 and 1 more (4 updates tracked since 2023).

About Arthur Oscar Sieron M.d. NPPES

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

ARTHUR OSCAR SIERON M.D. (NPI 1477230555) is an individual emergency medicine provider in Saginaw, Michigan, licensed in Michigan (4351051111) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital Of Carbondale, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1477230555
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameARTHUR OSCAR SIERONCredential: M.D.
Location Address1000 HOUGHTON AVENUESaginaw, MI 48602
Mailing Address1000 Houghton AveSaginaw, MI 48602-5303 · (989) 746-7500
Phone(989) 746-7500
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 30, 2023
Last NPPES UpdateAugust 4, 20264 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1477230555 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in MI · 4351051111✔ Licensed in IL · 036178159
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.
1000 HOUGHTON AVENUE, Saginaw, MI 48602
Open in Google Maps ↗

Secondary Practice Locations 4

Location 1201 S 14th StHerrin, IL 62948-3631 · Phone (618) 942-2171 ext. 35130 · Fax (618) 351-4917
Location 2100 Dr Warren Tuttle DrHarrisburg, IL 62946-2718 · Phone (618) 253-0350 · Fax (618) 252-2425
Location 32 S Hospital DrMurphysboro, IL 62966-3333 · Phone (618) 684-3156 ext. 55620 · Fax (618) 529-0524
Location 4405 W Jackson StCarbondale, IL 62901-1462 · Phone (618) 549-0721 ext. 65150 · Fax (618) 457-0469

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arthur Oscar Sieron M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7911354451
PECOS Enrollment IDI20260728003551
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 Reassignment

Medicare enrollment records show Arthur Sieron reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern Illinois Medical Services, Nfp
480 mi
Internal Medicine
1239 E MAIN ST
Carbondale, IL 62901
  • Reassigned Medicare billing, Illinois enrollment
  • 702 clinicians in this Medicare group
NPI 1770656837 (618) 457-5200

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

Hospital Affiliations CMS Care Compare 2

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

Memorial Hospital Of Carbondale

Acute Care Hospitals · Carbondale, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140164
Location405 W JacksonCarbondale, IL 62901 · Jackson County
Emergency services Birthing friendly

Harrisburg Medical Center

Acute Care Hospitals · Harrisburg, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140210
Location100 Doctor Warren Tuttle DrHarrisburg, IL 62946 · Saline County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48602 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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 9

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

DR. IAN RANDALL KECK DO
Emergency Medicine
1000 HOUGHTON AVENUE
SAGINAW, MI 48602
Saginaw County (989) 583-6800
RAHUL ARORA M.D.
Pediatrics
1000 HOUGHTON AVENUE, CMU MEDICAL EDUCATION PARTNERS
SAGINAW, MI 48602
Saginaw County (989) 746-7500
IMRAN ALI RESHI MBBS
Student in an Organized Health Care Education/Training Program
1000 HOUGHTON AVENUE
SAGINAW, MI 48602
Saginaw County (989) 746-7681
MATTHEW CHRISTOPHER NEWMAN
Internal Medicine
1000 HOUGHTON AVENUE
SAGINAW, MI 48602
Saginaw County (989) 583-6826
SAYERA MUQARRAM M.D.
Pediatrics
1000 HOUGHTON AVENUE
SAGINAW, MI 48602
Saginaw County (989) 746-7673
DR. CATHERINE ANNE MOLYNEUX BARRINGTON MD
Emergency Medicine
1000 HOUGHTON AVENUE
SAGINAW, MI 48602
Saginaw County (989) 746-7500
BASEL AL KHATIB
Student in an Organized Health Care Education/Training Program
1000 HOUGHTON AVENUE, 1015 S. WASHINGTON AVENUE
SAGINAW, MI 48602
Saginaw County (989) 746-7500
DR. SUKAINA ALI ALALI M.D..MSC
Internal Medicine
1000 HOUGHTON AVENUE
SAGINAW, MI 48602
Saginaw County (989) 583-6826

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 Arthur Sieron's NPI number?

The NPI number for Arthur Sieron is 1477230555. It was assigned to this individual provider in the NPPES registry on June 30, 2023.

Where is Arthur Sieron located?

Arthur Sieron practices at 1000 Houghton Avenue, Saginaw, MI 48602. The listed phone number is (989) 746-7500.

What is Arthur Sieron's specialty?

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

Is Arthur Sieron enrolled in Medicare?

Yes. Arthur Sieron is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Arthur Sieron's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Arthur Sieron reassigns Medicare benefits to Southern Illinois Medical Services, Nfp (Carbondale, IL). The 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 Arthur Sieron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Arthur Sieron affiliated with any hospitals?

According to CMS data, Arthur Sieron is affiliated with Memorial Hospital Of Carbondale and Harrisburg Medical Center.

When was this NPI record last updated?

The NPPES record for Arthur Sieron was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.