LEOPOLD K YIN MD
NPI 1740252147
Otolaryngology in Mesa, AZ
About Leopold K Yin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEOPOLD K YIN MD (NPI 1740252147) is an individual otolaryngology provider in Mesa, Arizona, licensed in Arizona (36985) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Leopold K Yin Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Leopold Yin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Scottsdale, AZ 85260
- Reassigned Medicare billing, Arizona enrollment
- 74 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.
Areas of Expertise CMS Part B claims 10
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85206 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MESA, AZ 85206
MESA, AZ 85206
MESA, AZ 85206
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 Leopold Yin's NPI number?
The NPI number for Leopold Yin is 1740252147. It was assigned to this individual provider in the NPPES registry on February 2, 2006.
Where is Leopold Yin located?
Leopold Yin practices at 4140 E Baseline Rd Suite 211, Mesa, AZ 85206. The listed phone number is (480) 273-8680.
What is Leopold Yin's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Leopold Yin enrolled in Medicare?
Yes. Leopold Yin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Leopold Yin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leopold Yin reassigns Medicare benefits to Valley Ent, PC (Scottsdale, AZ). The 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 Leopold Yin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leopold Yin accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and UnitedHealthcare list Leopold Yin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Leopold Yin was last updated on July 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.
# Leopold K Yin, MD · NPI 1740252147
Otolaryngology physician in Mesa, Arizona. Individual provider, active in the CMS NPPES registry since February 2, 2006.
## Identity
- **NPI:** 1740252147 (Entity type: Individual)
- **Enumerated:** February 2, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 36985 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 4140 E BASELINE RD, SUITE 211, Mesa, AZ 85206-4412
- **Phone:** (480) 273-8680 · **Fax:** (480) 306-7683
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Valley Ent, PC (NPI 1508990185, Scottsdale, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** July 12, 2012
- **Other identifiers:** Medicaid 2560938 (OH); Medicare ID-Type Unspecified 4108232; Medicare UPIN H85640
---
Source: [NPI Profile](https://npiprofile.com/npi/1740252147) · Data from the CMS NPPES public registry.