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

DR. JUSTIN ARMSTRONG DO
NPI 1114583523
Internal Medicine - Interventional Cardiology in Royal Oak, MI

Active since May 13, 2019PECOS Enrolled
3601 W 13 MILE RD, ROYAL OAK, MI 48073(248) 898-4163 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 1, 2026, Jul 17, 2022, Jun 8, 2022 and 1 more (4 updates tracked since 2019).

About Dr. Justin Armstrong Do NPPES

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

DR. JUSTIN ARMSTRONG DO (NPI 1114583523) is an individual interventional cardiology provider in Royal Oak, Michigan, licensed in Michigan (5101026853) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of Kansas City University Of Physicians And Surgeons (2019).

NPPES Registry Identity

NPI1114583523
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameDR. JUSTIN ARMSTRONGCredential: DO
Location Address3601 W 13 MILE RDRoyal Oak, MI 48073-6712
Mailing Address26901 Beaumont Blvd Ste 3dSouthfield, MI 48033-3849
Sole ProprietorYes
Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 2019
Enumeration DateMay 13, 2019
Last NPPES UpdateSeptember 1, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
NPI 1114583523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in MI · 5101026853
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal MedicineTaxonomy 207R00000X · License 5151013580 (MI)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 5101026853 (MI)
3601 W 13 MILE RD, Royal Oak, MI 48073

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Justin Armstrong Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688907181
PECOS Enrollment IDI20260709002393
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 2

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

Beaumont Hospital Royal Oak

Acute Care Hospitals · Royal Oak, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230130
Location3601 W Thirteen Mile RdRoyal Oak, MI 48073 · Oakland County
Emergency services Birthing friendly

Beaumont Hospital - Farmington Hills

Acute Care Hospitals · Farmington Hills, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230151
Location28050 Grand River AvenueFarmington Hills, MI 48336 · Oakland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48073 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
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.

Emergency Medicine
3601 W 13 MILE RD, WILLIAM BEAUMONT HOSPITAL
ROYAL OAK, MI 48073
Physician Assistant
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Pathology (Anatomic Pathology & Clinical Pathology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Radiology (Diagnostic Radiology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Internal Medicine
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Internal Medicine (Gastroenterology)
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Surgery
3601 W 13 MILE RD
ROYAL OAK, MI 48073
Pediatrics
3601 W 13 MILE RD
ROYAL OAK, MI 48073

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 Justin Armstrong's NPI number?

The NPI number for Justin Armstrong is 1114583523. It was assigned to this individual provider in the NPPES registry on May 13, 2019.

Where is Justin Armstrong located?

Justin Armstrong practices at 3601 W 13 Mile Rd, Royal Oak, MI 48073. The listed phone number is (248) 898-4163.

What is Justin Armstrong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Justin Armstrong enrolled in Medicare?

Yes. Justin Armstrong is registered in the Medicare PECOS enrollment system.

Is Justin Armstrong affiliated with any hospitals?

According to CMS data, Justin Armstrong is affiliated with Beaumont Hospital Royal Oak and Beaumont Hospital - Farmington Hills.

When was this NPI record last updated?

The NPPES record for Justin Armstrong was last updated on September 1, 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.