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IAN ARMSTRONG MD
NPI 1619556453
Radiology - Diagnostic Radiology in Boston, MA

Active since April 07, 2021PECOS Enrolled

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 11, 2026, May 5, 2026, Feb 1, 2022 and 1 more (4 updates tracked since 2021).

About Ian Armstrong Md NPPES

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

IAN ARMSTRONG MD (NPI 1619556453) is an individual diagnostic radiology provider in Boston, Massachusetts, licensed in Massachusetts (1026333) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2021).

NPPES Registry Identity

NPI1619556453
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameIAN ARMSTRONGCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2696
Mailing Address55 Fruit St, Austen Bldg 2 Suite 210Boston, MA 02114-2696 · (617) 726-8755
Phone(617) 726-8755
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2021
Enumeration DateApril 7, 2021
Last NPPES UpdateMay 11, 20264 updates tracked since enumeration
NPPES CertifiedMay 11, 2026
✔ NPI 1619556453 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in MA · 1026333
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
55 FRUIT ST, Boston, MA 02114
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ian Armstrong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123421294
PECOS Enrollment IDI20260516000498
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 02114 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Ian Armstrong's NPI number?

The NPI number for Ian Armstrong is 1619556453. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is Ian Armstrong located?

Ian Armstrong practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-8755.

What is Ian Armstrong's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Ian Armstrong enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Ian Armstrong was last updated on May 11, 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.