Olivia Harpster, LCSW
NPI 1851746721 · Clinical Social Worker · Washington, DC
Olivia Harpster, LCSW is a Clinical Social Worker provider in Washington, DC (NPI 1851746721).
Provider details
- NPI number
- 1851746721
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- 149017137 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
Mailing address
Registry dates
- Enumerated
- 2016-04-28
- Last updated
- 2026-02-06
- Certified
- 2026-02-06
Frequently asked questions
- What is Olivia Harpster's NPI number?
- Olivia Harpster's National Provider Identifier (NPI) is 1851746721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Harpster's specialty?
- Olivia Harpster is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Olivia Harpster located?
- Olivia Harpster's practice location on file with NPPES is 440 12th St Ne Apt 210, Washington, DC 20002-6386.
- What is Olivia Harpster's phone number?
- The practice phone number listed in the NPPES registry for Olivia Harpster is (847) 687-7114.
- Is Olivia Harpster's NPI active?
- Yes — Olivia Harpster's NPI (1851746721) is active in the NPPES registry as of the last update on 2026-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.