DR. SHIEN TSUI LIU MICCHELLI M.D.
NPI 1275683567
Pathology - Anatomic Pathology & Clinical Pathology in Baltimore, MD
About Dr. Shien Tsui Liu Micchelli M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHIEN TSUI LIU MICCHELLI M.D. (NPI 1275683567) is an individual anatomic pathology & clinical pathology provider in Baltimore, Maryland, licensed in Maryland (D0065396) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Tufts University School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
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. Shien Tsui Liu Micchelli M.d. 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 Shien Micchelli reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 16 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 12
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.
Mercy Hospital St Louis
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21287 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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Shien Micchelli's NPI number?
The NPI number for Shien Micchelli is 1275683567. It was assigned to this individual provider in the NPPES registry on January 11, 2007.
Where is Shien Micchelli located?
Shien Micchelli practices at 600 N Wolfe St The Johns Hopkins Hospital, Pathology Bldg, Room 401, Baltimore, MD 21287. The listed phone number is (410) 955-3980.
What is Shien Micchelli's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Shien Micchelli enrolled in Medicare?
Yes. Shien Micchelli 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 Shien Micchelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shien Micchelli reassigns Medicare benefits to St Louis Pathology Assoc Inc. (Saint Louis, MO). 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 Shien Micchelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shien Micchelli accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 1 other insurer list Shien Micchelli 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 Shien Micchelli affiliated with any hospitals?
According to CMS data, Shien Micchelli is affiliated with Mercy Hospital St Louis.
When was this NPI record last updated?
The NPPES record for Shien Micchelli was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.