Healthcare Provider Details

I. General information

NPI: 1659492494
Provider Name (Legal Business Name): HARRISON AND FELDHAUSEN PC
Entity Type: Organization
Gender:
Sole Proprietor:

II. Dates (important events)

Enumeration Date: 04/02/2007
Last Update Date: 09/11/2025
Certification Date:
Deactivation Date:
Reactivation Date:

III. Provider practice location address

2923 OLNEY SANDY SPRING RD #E
OLNEY MD
20832-1528
US

IV. Provider business mailing address

2923 OLNEY SANDY SPRING RD #E
OLNEY MD
20832-1528
US

V. Phone/Fax

Practice location:
  • Phone: 301-570-4400
  • Fax:
Mailing address:
  • Phone: 301-570-4400
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyN
Taxonomy Code363LP0808X
TaxonomyPsychiatric/Mental Health Nurse Practitioner
License Number
License Number State
# 2
Primary TaxonomyY
Taxonomy Code364SP0808X
TaxonomyPsychiatric/Mental Health Clinical Nurse Specialist
License Number
License Number State

VIII. Authorized Official

Name: MS. BARBARA RUTH HARRISON
Title or Position: VICE PRESIDENT
Credential: PMH-NP APRN BC
Phone: 301-570-4400