LIAN LANCASTER MD
NPI 1922687623
Emergency Medicine in Washington, DC

Q: What is Lian Lancaster's NPI number?

The NPI number for Lian Lancaster is 1922687623. It was assigned to this individual provider in the NPPES registry on April 8, 2021.

Q: What is Lian Lancaster's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Lian Lancaster was last updated on July 30, 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.

Active since April 08, 2021PECOS Enrolled

2120 L ST NW STE 450, WASHINGTON, DC 20037(202) 741-2911 Get Directions Write a Review

NPPES record last updated: July 30, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 30, 2024, Apr 8, 2021 (2 updates tracked since 2021).

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About Lian Lancaster Md NPPES

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

LIAN LANCASTER MD (NPI 1922687623) is an individual emergency medicine provider in Washington, District Of Columbia, licensed in California (A196312) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1922687623

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameLIAN LANCASTERCredential: MD

Location Address2120 L ST NW STE 450Washington, DC 20037-1541

Mailing Address2150 Pennsylvania Ave NwWashington, DC 20037-3201 · (202) 741-3100

Phone(202) 741-2911

Sole ProprietorYes

Enumeration DateApril 8, 2021

Last NPPES UpdateJuly 30, 20242 updates tracked since enumeration

NPPES CertifiedJuly 30, 2024

✔ NPI 1922687623 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CA · A196312

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2120 L ST NW STE 450, Washington, DC 20037

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lian Lancaster Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Lian Lancaster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America-California

2,113 mi

Emergency Medicine

250 N 1ST ST
Blythe, CA 92225

Reassigned Medicare billing, California enrollment
2,323 clinicians in this Medicare group

NPI 1710826581 (760) 922-4115

Central Oregon Emergency Physicians LLC

2,294 mi

Emergency Medical Services

2500 NE NEFF RD
Bend, OR 97701

Reassigned Medicare billing, Oregon enrollment
52 clinicians in this Medicare group

NPI 1376714543 (541) 382-4321

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

300 services289 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

60 services60 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

46 services46 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20037 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

$100.31 typical visit price

range $65.18 – $194.86

Typical copayment $25.07 (range $16.29 – $48.71)

Most-billed visit code 99203

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

DR. ERIN MICHELLE KANE M.D.

Emergency Medicine