KEYING YAN OD
NPI 1447924329
Optometrist in Hershey, PA
About Keying Yan Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEYING YAN OD (NPI 1447924329) is an individual optometrist in Hershey, Pennsylvania, licensed in Pennsylvania (OEG003885) and active in the NPI registry since August 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Williamsport, and is a graduate of State University Of New York - State College Optometry (2022).
NPPES Registry Identity
Specialties & Licenses
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Keying Yan Od 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.
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 17033 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.
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.
HERSHEY, PA 17033
HERSHEY, PA 17033
HERSHEY, PA 17033
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 Keying Yan's NPI number?
The NPI number for Keying Yan is 1447924329. It was assigned to this individual provider in the NPPES registry on August 4, 2021.
Where is Keying Yan located?
Keying Yan practices at 500 University Dr, Hershey, PA 17033. The listed phone number is (717) 531-5690.
What is Keying Yan's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Keying Yan enrolled in Medicare?
Yes. Keying Yan 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.
What insurance does Keying Yan accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Keying Yan 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 Keying Yan was last updated on April 27, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.
