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

AARON NELSON DO
NPI 1285489427
Emergency Medicine in Bethlehem, PA

Active since April 22, 2024PECOS Enrolled
801 OSTRUM ST, BETHLEHEM, PA 18015(484) 526-4000 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 17, 2026, Apr 22, 2024 (2 updates tracked since 2024).

About Aaron Nelson Do NPPES

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

AARON NELSON DO (NPI 1285489427) is an individual emergency medicine provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (OS026039) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285489427
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameAARON NELSONCredential: DO
Location Address801 OSTRUM STBethlehem, PA 18015-1000
Mailing Address801 Ostrum StBethlehem, PA 18015-1000 · (484) 526-4000
Sole ProprietorNo
Enumeration DateApril 22, 2024
Last NPPES UpdateAugust 17, 20262 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
NPI 1285489427 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in PA · OS026039
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.
801 OSTRUM ST, Bethlehem, PA 18015

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Aaron Nelson Do 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 18015 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Emergency Medicine
801 OSTRUM ST, DEPT. OF EMERGENCY MEDICINE
BETHLEHEM, PA 18015
Emergency Medicine
801 OSTRUM ST
BETHLEHEM, PA 18015
Obstetrics & Gynecology
801 OSTRUM ST
BETHLEHEM, PA 18015
Nurse Practitioner (Acute Care)
801 OSTRUM ST
BETHLEHEM, PA 18015
Emergency Medicine
801 OSTRUM ST
BETHLEHEM, PA 18015
Internal Medicine (Critical Care Medicine)
801 OSTRUM ST
BETHLEHEM, PA 18015
Nurse Anesthetist, Certified Registered
801 OSTRUM ST
BETHLEHEM, PA 18015
Emergency Medicine
801 OSTRUM ST
BETHLEHEM, PA 18015

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 Aaron Nelson's NPI number?

The NPI number for Aaron Nelson is 1285489427. It was assigned to this individual provider in the NPPES registry on April 22, 2024.

Where is Aaron Nelson located?

Aaron Nelson practices at 801 Ostrum St, Bethlehem, PA 18015. The listed phone number is (484) 526-4000.

What is Aaron Nelson's specialty?

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

Is Aaron Nelson enrolled in Medicare?

Yes. Aaron Nelson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Aaron Nelson was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.