YECHEN PI
NPI 1164865523
Emergency Medicine in Frederick, MD
About Yechen Pi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YECHEN PI (NPI 1164865523) is an individual emergency medicine provider in Frederick, Maryland, licensed in Maryland (D81347) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Yechen Pi is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Yechen Pi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Frederick, MD 21701
- Reassigned Medicare billing, Maryland enrollment
- 91 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 4
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 21701 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.
FREDERICK, MD 21701
FREDERICK, MD 21701
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 Yechen Pi's NPI number?
The NPI number for Yechen Pi is 1164865523. It was assigned to this individual provider in the NPPES registry on April 16, 2013.
Where is Yechen Pi located?
Yechen Pi practices at 400 W 7th St Emergency Department, Frederick, MD 21701. The listed phone number is (240) 566-3500.
What is Yechen Pi's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Yechen Pi enrolled in Medicare?
Yes. Yechen Pi is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Yechen Pi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yechen Pi reassigns Medicare benefits to Hospitalist Medicine Physicians Of Maryland-Frederick PC (Frederick, MD). 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 Yechen Pi'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 Yechen Pi was last updated on October 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Yechen Pi · NPI 1164865523
Emergency Medicine physician in Frederick, Maryland. Individual provider, active in the CMS NPPES registry since April 16, 2013.
## Identity
- **NPI:** 1164865523 (Entity type: Individual)
- **Enumerated:** April 16, 2013
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** D81347 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 W 7TH ST, EMERGENCY DEPARTMENT, Frederick, MD 21701-4506
- **Phone:** (240) 566-3500
## 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:** Hospitalist Medicine Physicians Of Maryland-Frederick PC (NPI 1093322257, Frederick, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 21, 2016
---
Source: [NPI Profile](https://npiprofile.com/npi/1164865523) · Data from the CMS NPPES public registry.