DR. YING SUN MD
NPI 1114546694
Pathology - Clinical Pathology/Laboratory Medicine in Baltimore, MD
About Dr. Ying Sun Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YING SUN MD (NPI 1114546694) is an individual clinical pathology/laboratory medicine provider in Baltimore, Maryland, licensed in Maryland (D0098808) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Metrohealth System, and maintains a secondary practice location in Greenville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Ying Sun 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 Ying Sun reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44109
- Reassigned Medicare billing, Ohio enrollment
- 2,147 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 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Metrohealth System
Acute Care Hospitals · Cleveland, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21264 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.
BALTIMORE, MD 21264
BALTIMORE, MD 21264
BALTIMORE, MD 21264
BALTIMORE, MD 21264
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 Ying Sun's NPI number?
The NPI number for Ying Sun is 1114546694. It was assigned to this individual provider in the NPPES registry on April 14, 2020.
Where is Ying Sun located?
Ying Sun practices at 600 N Wolfe Street, Baltimore, MD 21264. The listed phone number is (410) 955-5000.
What is Ying Sun's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.
Is Ying Sun enrolled in Medicare?
Yes. Ying Sun 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 Ying Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ying Sun reassigns Medicare benefits to The Metrohealth System (Cleveland, OH). 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 Ying Sun's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ying Sun accept?
Health plans from CareSource list Ying Sun 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.
Is Ying Sun affiliated with any hospitals?
According to CMS data, Ying Sun is affiliated with Metrohealth System.
When was this NPI record last updated?
The NPPES record for Ying Sun was last updated on May 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Ying Sun, MD · NPI 1114546694
Clinical Pathology/Laboratory Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 14, 2020.
## Identity
- **NPI:** 1114546694 (Entity type: Individual)
- **Enumerated:** April 14, 2020
- **Primary specialty:** Pathology - Clinical Pathology/Laboratory Medicine · taxonomy 207ZP0105X
- **State license:** D0098808 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE STREET, Baltimore, MD 21264-2818
- **Phone:** (410) 955-5000
## 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:** The Metrohealth System (NPI 1053353896, Cleveland, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 2027
## Record status
- **NPPES last updated:** May 3, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1114546694) · Data from the CMS NPPES public registry.