IndividualActive
Harold Perl, PHD
NPI 1114089786 · Psychologist · Bethesda, MD
Harold Perl, PHD is a Psychologist provider in Bethesda, MD (NPI 1114089786).
Provider details
- NPI number
- 1114089786
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 02425 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
4829 West Ln
Bethesda, MD 20814-5317
Phone: (301) 320-6383
Fax: (301) 907-6948
Street-level locationGet directions
Mailing address
5816 Osceola Rd
Bethesda, MD 20816-2033
Registry dates
- Enumerated
- 2006-12-13
- Last updated
- 2014-03-04
Frequently asked questions
- What is Harold Perl's NPI number?
- Harold Perl's National Provider Identifier (NPI) is 1114089786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Perl's specialty?
- Harold Perl is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Harold Perl located?
- Harold Perl's practice location on file with NPPES is 4829 West Ln, Bethesda, MD 20814-5317.
- What is Harold Perl's phone number?
- The practice phone number listed in the NPPES registry for Harold Perl is (301) 320-6383.
- Is Harold Perl's NPI active?
- Yes — Harold Perl's NPI (1114089786) is active in the NPPES registry as of the last update on 2014-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.