OrganizationActive
Expression Pathology Incorporated
NPI 1184971855 · Clinical Medical Laboratory · Rockville, MD
Expression Pathology Incorporated is a Clinical Medical Laboratory organization in Rockville, MD (NPI 1184971855).
Provider details
- NPI number
- 1184971855
- Entity type
- Organization
- Primary specialty
- Clinical Medical LaboratoryLaboratories
- Organization subpart
- No
- Authorized official
- Thomas Guiel, Chief Operating Officer(301) 977-3654
- License
- 21D2043150 (MD)
Specialties & taxonomies
Laboratories
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
9620 Medical Center Dr
Suite 100
Rockville, MD 20850-3338
Phone: (301) 977-3654
Fax: (301) 926-9283
Street-level locationGet directions
Mailing address
9620 Medical Center Dr
Rockville, MD 20850-3338
Other names (DBA / former)
- Doing business as
- Oncoplex Diagnostics
Registry dates
- Enumerated
- 2012-08-13
- Last updated
- 2012-09-28
Frequently asked questions
- What is Expression Pathology Incorporated's NPI number?
- Expression Pathology Incorporated's National Provider Identifier (NPI) is 1184971855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Expression Pathology Incorporated?
- Expression Pathology Incorporated is classified in the NPPES registry as Clinical Medical Laboratory (Laboratories).
- Where is Expression Pathology Incorporated located?
- Expression Pathology Incorporated's practice location on file with NPPES is 9620 Medical Center Dr, Rockville, MD 20850-3338.
- What is Expression Pathology Incorporated's phone number?
- The practice phone number listed in the NPPES registry for Expression Pathology Incorporated is (301) 977-3654.
- Who is the authorized official for Expression Pathology Incorporated?
- The authorized official listed on Expression Pathology Incorporated's NPPES record is Thomas Guiel, Chief Operating Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Expression Pathology Incorporated's NPI active?
- Yes — Expression Pathology Incorporated's NPI (1184971855) is active in the NPPES registry as of the last update on 2012-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.