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

TREY JOSEPH SHAUGHNESSY DO
NPI 1871298323
Emergency Medicine in Detroit, MI

Active since April 04, 2023PECOS Enrolled
4201 SAINT ANTOINE ST # 9C, DETROIT, MI 48201(313) 745-5147 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 22, 2026, Apr 4, 2023 (2 updates tracked since 2023).

About Trey Joseph Shaughnessy Do NPPES

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

TREY JOSEPH SHAUGHNESSY DO (NPI 1871298323) is an individual emergency medicine provider in Detroit, Michigan, licensed in Michigan (5101028886) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, is affiliated with Ascension Providence Hospital, Southfield And Novi, and is a graduate of Michigan State University College Of Osteopathic Medicine (2023).

NPPES Registry Identity

NPI1871298323
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTREY JOSEPH SHAUGHNESSYCredential: DO
Location Address4201 SAINT ANTOINE ST # 9CDetroit, MI 48201-2153
Mailing Address4201 Saint Antoine St # 9cDetroit, MI 48201-2153 · (313) 745-5147
Sole ProprietorNo
Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2023
Enumeration DateApril 4, 2023
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1871298323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MI · 5101028886
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.
4201 SAINT ANTOINE ST # 9C, Detroit, MI 48201

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

Trey Joseph Shaughnessy Do 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 ID3476910738
PECOS Enrollment IDI20260623004177
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.

Hospital Affiliations CMS Care Compare

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

Ascension Providence Hospital, Southfield And Novi

Acute Care Hospitals · Southfield, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230019
Location16001 W Nine Mile RdSouthfield, MI 48075 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48201 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
$90.76 typical visit price
range $58.04 – $177.36
Typical copayment $22.69 (range $14.51 – $44.34)
Most-billed visit code 99203
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Anesthesiology
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201
Emergency Medicine
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201
Student in an Organized Health Care Education/Training Program
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201
Student in an Organized Health Care Education/Training Program
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201
Student in an Organized Health Care Education/Training Program
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201
Student in an Organized Health Care Education/Training Program
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201
Student in an Organized Health Care Education/Training Program
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201
Student in an Organized Health Care Education/Training Program
4201 SAINT ANTOINE ST # 9C
DETROIT, MI 48201

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 Trey Shaughnessy's NPI number?

The NPI number for Trey Shaughnessy is 1871298323. It was assigned to this individual provider in the NPPES registry on April 4, 2023.

Where is Trey Shaughnessy located?

Trey Shaughnessy practices at 4201 Saint Antoine St # 9C, Detroit, MI 48201. The listed phone number is (313) 745-5147.

What is Trey Shaughnessy's specialty?

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

Is Trey Shaughnessy enrolled in Medicare?

Yes. Trey Shaughnessy 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.

Is Trey Shaughnessy affiliated with any hospitals?

According to CMS data, Trey Shaughnessy is affiliated with Ascension Providence Hospital, Southfield And Novi.

When was this NPI record last updated?

The NPPES record for Trey Shaughnessy was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.