DR. JUSTIN GREGORY PEACOCK M.D., PH.D.
NPI 1336563493
Radiology - Diagnostic Radiology in Bethesda, MD

Active since February 10, 2014PECOS Enrolled
8901 ROCKVILLE PIKE, BETHESDA, MD 20889(301) 295-9151 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 6, 2026, Jul 29, 2024, Jun 24, 2024 and 5 more (8 updates tracked since 2016).

About Dr. Justin Gregory Peacock M.d., Ph.d. NPPES

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

DR. JUSTIN GREGORY PEACOCK M.D., PH.D. (NPI 1336563493) is an individual diagnostic radiology provider in Bethesda, Maryland, licensed in Nebraska (28970) and active in the NPI registry since February 2014. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336563493
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. JUSTIN GREGORY PEACOCKCredential: M.D., PH.D.
Location Address8901 ROCKVILLE PIKEBethesda, MD 20889-0001
Mailing Address8901 Rockville PikeBethesda, MD 20889-0001 · (301) 295-9151
Sole ProprietorNo
Enumeration DateFebruary 10, 2014
Last NPPES UpdateMay 6, 20268 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
NPI 1336563493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses Licensed in NE · 28970 Licensed in PA · MD485441
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedNuclear MedicineTaxonomy 207U00000X · License MD485441 (PA), 4301512179 (MI), 28970 (NE)
8901 ROCKVILLE PIKE, Bethesda, MD 20889

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 Gregory Peacock M.d., Ph.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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Nuclear medicine study from skull base to mid-thigh with ct scan 78815
A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
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.

Dermatology (Dermatopathology)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Surgery
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine (Endocrinology, Diabetes & Metabolism)
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Obstetrics & Gynecology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Anesthesiology
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Internal Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Military Health Care Provider
8901 ROCKVILLE PIKE
BETHESDA, MD 20889
Emergency Medicine
8901 ROCKVILLE PIKE
BETHESDA, MD 20889

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 Peacock's NPI number?

The NPI number for Justin Peacock is 1336563493. It was assigned to this individual provider in the NPPES registry on February 10, 2014.

Where is Justin Peacock located?

Justin Peacock practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 295-9151.

What is Justin Peacock's specialty?

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

Is Justin Peacock enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Justin Peacock was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.