COHEN DERMATOPATHOLOGY, PC
NPI 1922443324
Clinical Medical Laboratory in Columbia, MD

Active since April 30, 2013CLIA 21D1077515 · Accreditation
5850 WATERLOO RD STE 140, COLUMBIA, MD 21045(410) 766-4175 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 15, 2025, Dec 5, 2025, Oct 27, 2019 and 5 more (8 updates tracked since 2015).

About Cohen Dermatopathology, Pc NPPES

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

COHEN DERMATOPATHOLOGY, PC (NPI 1922443324), doing business as Inform Diagnostics, is a healthcare organization registered as a clinical medical laboratory in Columbia, Maryland and active in the NPI registry since April 2013. The organization holds an CLIA Accreditation certificate valid through July 30, 2027 and lists Jian Xie, Manager, as its authorized official.

NPPES Registry Identity

NPI1922443324
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameCOHEN DERMATOPATHOLOGY, PC
Location Address5850 WATERLOO RD STE 140Columbia, MD 21045
Mailing Address1111 S Freeport Pkwy, Attn: Provider EnrollmentCoppell, TX 75019-4435 · (866) 588-3280 · Fax (972) 767-0225
Organization SubpartNo
Authorized OfficialJian XieManager · (626) 695-2199
Enumeration DateApril 30, 2013
Last NPPES UpdateDecember 15, 20258 updates tracked since enumeration
NPPES CertifiedDecember 15, 2025
NPI 1922443324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition
(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.
Also ListedDermatology · DermatopathologyTaxonomy 207ND0900X
5850 WATERLOO RD STE 140, Columbia, MD 21045

Other Names 1

Doing Business AsInform Diagnostics

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 21D1077515

Cohen Dermatopathology PC Dba Inform Diagnostics · Columbia, MD
Active · expires Jul 30, 2027
CLIA Number21D1077515
Laboratory TypeIndependent
Certificate Effective DateJuly 31, 2025
Certificate Expiration DateJuly 30, 2027
Laboratory DirectorDr. Arash Radfar
Laboratory Phone(410) 766-1324
Laboratory LocationCohen Dermatopathology PC Dba Inform Diagnostics5850 Waterloo Road, Suite 140, Columbia, MD 21045
CLIA data matches this NPI record on: Address Name
This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Prosthetic/Orthotic Supplier
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045
Psychologist
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045
Nurse Practitioner (Family)
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045
Nurse Practitioner (Psychiatric/Mental Health)
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045
Health and Wellness Coach
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045
Clinic/Center (Primary Care)
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045
Community Based Residential Treatment Facility, Intellectual and/or Developmental Disabilities
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045
Registered Nurse
5850 WATERLOO RD STE 140
COLUMBIA, MD 21045

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 Cohen Dermatopathology, PC's NPI number?

The NPI number for Cohen Dermatopathology, PC is 1922443324. It was assigned to this organization in the NPPES registry on April 30, 2013. The provider is doing business as Inform Diagnostics.

Where is Cohen Dermatopathology, PC located?

Cohen Dermatopathology, PC is located at 5850 Waterloo Rd Ste 140, Columbia, MD 21045. The listed phone number is (410) 766-4175.

What is Cohen Dermatopathology, PC's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Cohen Dermatopathology, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Accreditation (number 21D1077515) is associated with this NPI, valid through July 30, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Cohen Dermatopathology, PC was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.