Lee Haller MD PC

Lee Haller MD PC is a healthcare organization registered as Psychiatry Physician in Potomac, MD, holding Type 2 (organization) NPI 1558355644 since 2005. The authorized official on file is Marcia Haller, Vice President & Treasurer.

✓ Active NPI ✓ Valid NPI checksum

NPI	1558355644
Entity type	Organization (Type 2)
Legal business name	Lee Haller MD PC
Practice address	9800 FALLS RD, STE 2, Potomac, MD, 20854
Phone	3019835211
Fax	3019835213
Enumeration date	2005-09-06
Last updated in NPPES	2008-12-18

Authorized official

Name	Marcia Haller
Title	Vice President & Treasurer
Phone	3019770648

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
2084P0800X	Psychiatry Physician	Secondary	D0023516	MD
2084P0800X	Psychiatry Physician	Primary	MD12620	DC

Copy-ready billing details

Provider: Lee Haller MD PC
NPI: 1558355644
Taxonomy: 2084P0800X (Psychiatry Physician)
Address: 9800 FALLS RD, STE 2, Potomac, MD, 20854

Providers at this address

NPI	Name	Type	Specialty	Location
1366538761	Diane Colgan	Individual	Plastic and Reconstructive Surgery Physician	Potomac, MD
1518025691	Khin Way	Individual	General Practice Dentistry	Potomac, MD
1427106277	Kala Shahi	Individual	Family Nurse Practitioner	Potomac, MD
1518091883	Cynthia Weiss	Individual	Physical Therapist	Potomac, MD
1992032775	Joseph Debenedictis	Individual	Dentist	Potomac, MD
1326345828	Lee Haller	Individual	Psychiatry Physician	Potomac, MD
1427330463	First Clinic, LLC	Organization	Family Nurse Practitioner	Potomac, MD
1154690766	Jaime Durant	Individual	Family Nurse Practitioner	Potomac, MD

Verify this record

Cross-check NPI 1558355644 against the authoritative CMS record: view Lee Haller MD PC on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Lee Haller MD PC located?

The practice location on file with NPPES is in Potomac, MD.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-12-18. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-12-18.