Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pathology

Lingling Xian, MD

Works at hospitals in Baltimore, MD · Maryland

Summary

Lingling Xian, MD (Pathology) is listed by Medicare at 1 hospital in Baltimore, MD. NPI 1649851908. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lingling Xian, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PathologyPrimary specialty
May acceptAccepts Medicare assignment
27Years since medical school (graduated 1999)
FemaleGender (as listed)
Johns Hopkins UniversityGroup practice

Quick answers

Which hospitals does Lingling Xian work at?
Medicare's official clinician data lists Lingling Xian at 1 hospital: The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lingling Xian see patients?
Medicare's clinician data lists 4 practice locations, including Columbia, MD and Baltimore, MD. Call before your visit to confirm the address.
What is Lingling Xian's specialty?
Medicare lists Pathology as the primary specialty.
Does Lingling Xian accept Medicare assignment?
Medicare's clinician data says Lingling Xian may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Lingling Xian?
(410) 502-4340, as listed in official Medicare / NPI Registry data.
What is Lingling Xian's NPI number?
1649851908. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lingling Xian works

Medicare's Facility Affiliation Data lists Lingling Xian at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lingling Xian is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lingling Xian as a member of this group (CMS data updated 2026-10-02).

  • Johns Hopkins University2,909 clinicians in the group

Specialties

Find other Pathology doctors in Maryland →

Other pathologists in Columbia

Clinicians with the same Medicare primary specialty in Columbia, MD — not a recommendation.

All pathologists in Columbia →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1649851908
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians