LEAH YUNSUNG AHN MD
NPI 1306291166
Radiology - Diagnostic Radiology in Dallas, TX
About Leah Yunsung Ahn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEAH YUNSUNG AHN MD (NPI 1306291166) is an individual diagnostic radiology provider in Dallas, Texas, licensed in Colorado (DR.0075289) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Tufts University School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Leah Yunsung Ahn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Leah Ahn reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waco, TX 76711
- Reassigned Medicare billing, Colorado and Texas enrollments
- 2 clinicians in this Medicare group
Morganton, NC 28655
- Reassigned Medicare billing, Colorado enrollment
- 27 clinicians in this Medicare group
Las Vegas, NV 89135
- Reassigned Medicare billing, Colorado enrollment
Milton, MA 02186
- Reassigned Medicare billing, Colorado and Massachusetts enrollments
- Also billed through NPI 1861216038 (Massachusetts)
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75219 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
DALLAS, TX 75219
DALLAS, TX 75219
DALLAS, TX 75219
DALLAS, TX 75219
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 Leah Ahn's NPI number?
The NPI number for Leah Ahn is 1306291166. It was assigned to this individual provider in the NPPES registry on April 29, 2016.
Where is Leah Ahn located?
Leah Ahn practices at 2825 Oak Lawn Ave Unit 192749, Dallas, TX 75219. The listed phone number is (510) 683-9500.
What is Leah Ahn's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Leah Ahn enrolled in Medicare?
Yes. Leah Ahn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Leah Ahn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leah Ahn reassigns Medicare benefits to 5 organizations: Ideal Mri, LLC (Waco, TX), Blue Ridge Healthcare Medical Group Inc (Morganton, NC), Sutter Valley Medical Foundation (Las Vegas, NV), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Milton, MA) and Beth Israel Deaconess Medical Center, Inc. (Boston, MA). Each 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 Leah Ahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Leah Ahn was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Leah Yunsung Ahn, MD · NPI 1306291166
Diagnostic Radiology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since April 29, 2016.
## Identity
- **NPI:** 1306291166 (Entity type: Individual)
- **Enumerated:** April 29, 2016
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** DR.0075289 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 2825 OAK LAWN AVE UNIT 192749, Dallas, TX 75219-4688
- **Phone:** (510) 683-9500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Ideal Mri, LLC (NPI 1932692548, Waco, TX); Blue Ridge Healthcare Medical Group Inc (NPI 1639244478, Morganton, NC); Sutter Valley Medical Foundation (NPI 1174997407, Las Vegas, NV); Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (NPI 1245773308, Milton, MA); Beth Israel Deaconess Medical Center, Inc. (NPI 1548202641, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** September 16, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1306291166) · Data from the CMS NPPES public registry.