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LINGLING XIAN MD., PHD
NPI 1649851908
Pathology - Anatomic Pathology & Clinical Pathology in Baltimore, MD

Active since April 19, 2021PECOS Enrolled
1800 ORLEANS ST, BALTIMORE, MD 21287(410) 502-2037 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 29, 2026, Jun 18, 2025, Oct 13, 2023 and 1 more (4 updates tracked since 2021).

About Lingling Xian Md., Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LINGLING XIAN MD., PHD (NPI 1649851908) is an individual anatomic pathology & clinical pathology provider in Baltimore, Maryland, licensed in Maryland (D0106631) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1649851908
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameLINGLING XIANCredential: MD., PHD
Location Address1800 ORLEANS STBaltimore, MD 21287-0010
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 955-5000 · Fax (410) 500-4266
Phone(410) 502-2037
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateApril 19, 2021
Last NPPES UpdateJuly 29, 20264 updates tracked since enumeration
NPPES CertifiedJuly 29, 2026
✔ NPI 1649851908 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in MD · D0106631✔ Licensed in AL · L5558✔ Licensed in AL · MD.47961
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1800 ORLEANS ST, Baltimore, MD 21287
Open in Google Maps ↗

Secondary Practice Location 1

Location 1310 Cedar StNew Haven, CT 06510-3218 · Phone (203) 785-3624

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lingling Xian Md., Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2062979867
PECOS Enrollment IDI20260812000831
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Lingling Xian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Johns Hopkins University
0.1 mi
General Practice
600 N WOLFE ST
Baltimore, MD 21205
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
NPI 1033190442 (410) 614-1732

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Physician 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.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KATHRYN ROSENBLATT M.D.
Anesthesiology
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-7461
DR. CARMEL BOGLE M.D.
Pediatrics
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (443) 287-0526
MIAN MOHAMMAD BILAL KHALID MD
Internal Medicine (Gastroenterology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
SPENCER WILSON
Surgery (Trauma Surgery)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 933-6423
EVAN FOX
Radiology (Neuroradiology)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
ADAM ROBERT BUSSELLS
Physician Assistant
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
DR. SARAH WALSER MD
Student in an Organized Health Care Education/Training Program
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (484) 883-6433
LYNN DESROSIERS FNP-C
Nurse Practitioner (Family)
1800 ORLEANS ST
BALTIMORE, MD 21287
Baltimore City (410) 955-2800

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 Lingling Xian's NPI number?

The NPI number for Lingling Xian is 1649851908. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Lingling Xian located?

Lingling Xian practices at 1800 Orleans St, Baltimore, MD 21287. The listed phone number is (410) 502-2037.

What is Lingling Xian's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Lingling Xian enrolled in Medicare?

Yes. Lingling Xian is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lingling Xian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lingling Xian reassigns Medicare benefits to Johns Hopkins University (Baltimore, 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 Lingling Xian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Lingling Xian affiliated with any hospitals?

According to CMS data, Lingling Xian is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Lingling Xian was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.