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

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: August 16, 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.

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
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
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Arthur Oscar Sieron 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.

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.

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 18 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.