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MERCED MRI MEDICAL GROUP
NPI 1700821477
Radiology - Diagnostic Ultrasound in Merced, CA

Active since June 18, 2006
3365 G ST, SUITE 100, MERCED, CA 95340(209) 384-2121(209) 384-4269 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Merced Mri Medical Group NPPES

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

MERCED MRI MEDICAL GROUP (NPI 1700821477) is a healthcare organization registered as a diagnostic ultrasound in Merced, California and active in the NPI registry since June 2006. The organization lists Karen Hansen, Managing Employee, as its authorized official.

NPPES Registry Identity

NPI1700821477
Entity TypeOrganization
Primary Taxonomy2085U0001X
Legal Business NameMERCED MRI MEDICAL GROUP
Location Address3365 G ST, SUITE 100Merced, CA 95340-0964
Mailing AddressPo Box 1350Suisun City, CA 94585-4350 · (209) 384-4250
Phone(209) 384-2121
Fax(209) 384-4269
Organization SubpartNo
Authorized OfficialKaren HansenManaging Employee · (209) 384-4250
Enumeration DateJune 18, 2006
Last NPPES UpdateAugust 7, 2025
NPPES CertifiedAugust 7, 2025
✔ NPI 1700821477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic UltrasoundAllopathic & Osteopathic Physicians
Taxonomy Code2085U0001X
Definition
A Radiology doctor of Osteopathy that specializes in Diagnostic Ultrasound.
Also ListedClinic/Center · Magnetic Resonance Imaging (MRI)Taxonomy 261QM1200X
3365 G ST, Merced, CA 95340
Open in Google Maps ↗

Other Identifiers 1

MedicaidGR0041350CA

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Merced Mri Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Merced Mri Medical Group, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (4)

Steven Hansen, MD
Diagnostic Radiology
NPI 1639274368
3365 G STREET SUITE 100
Merced, CA 95340
(209) 384-4252
✔ PECOS✔ Accepts MedicareSame address
Duane Richey, MD
Diagnostic Radiology
NPI 1548365273
3365 G STREET SUITE 100
Merced, CA 95340
(209) 384-4252
✔ PECOS✔ Accepts MedicareSame address
Carmen Metildi, M.D.
Diagnostic Radiology
NPI 1932179124
2450 S TELSHOR BLVD
Las Cruces, NM 88011
(952) 595-1100
✔ PECOS✔ Accepts Medicare851 mi
Jackie Leong, M.D.
Diagnostic Radiology
NPI 1629170782
1419 35TH ST
Brooklyn, NY 11218
(914) 747-2438
✔ PECOS✔ Accepts Medicare2,481 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Merced Mri Medical Group's NPI number?

The NPI number for Merced Mri Medical Group is 1700821477. It was assigned to this organization in the NPPES registry on June 18, 2006.

Where is Merced Mri Medical Group located?

Merced Mri Medical Group is located at 3365 G St Suite 100, Merced, CA 95340. The listed phone number is (209) 384-2121.

What is Merced Mri Medical Group's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Ultrasound, with taxonomy code 2085U0001X.

Is Merced Mri Medical Group enrolled in Medicare?

Yes. Merced Mri Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Merced Mri Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Diagnostic Radiology, reassign their Medicare billing to Merced Mri Medical Group. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Merced Mri Medical Group was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.