OrganizationActive
Gillian B Karp PHD LLC
NPI 1588206841 · Psychologist · Bethesda, MD
Gillian B Karp PHD LLC is a Psychologist organization in Bethesda, MD (NPI 1588206841).
Provider details
- NPI number
- 1588206841
- Entity type
- Organization
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Gillian Karp, Licensed Psychologist(240) 802-6525
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
4915 Saint Elmo Ave Ste 504
Bethesda, MD 20814-6019
Phone: (240) 802-6525
Street-level locationGet directions
Mailing address
6821 Delaware St
Chevy Chase, MD 20815-4165
Registry dates
- Enumerated
- 2019-10-08
- Last updated
- 2019-10-16
Frequently asked questions
- What is Gillian B Karp PHD LLC's NPI number?
- Gillian B Karp PHD LLC's National Provider Identifier (NPI) is 1588206841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gillian B Karp PHD LLC?
- Gillian B Karp PHD LLC is classified in the NPPES registry as Psychologist (Behavioral Health & Social Service Providers).
- Where is Gillian B Karp PHD LLC located?
- Gillian B Karp PHD LLC's practice location on file with NPPES is 4915 Saint Elmo Ave Ste 504, Bethesda, MD 20814-6019.
- What is Gillian B Karp PHD LLC's phone number?
- The practice phone number listed in the NPPES registry for Gillian B Karp PHD LLC is (240) 802-6525.
- Who is the authorized official for Gillian B Karp PHD LLC?
- The authorized official listed on Gillian B Karp PHD LLC's NPPES record is Gillian Karp, Licensed Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gillian B Karp PHD LLC's NPI active?
- Yes — Gillian B Karp PHD LLC's NPI (1588206841) is active in the NPPES registry as of the last update on 2019-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.