Justine Lassman, PSYD
Psychologist · Washington, DC
Justine Lassman, PSYD is a psychologist with a practice address in Washington, District of Columbia, and NPI 1831380922, issued on Aug 5, 2007. Check the license with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Justine Lassman
- Credential
- PSYD
- Primary taxonomy
- Psychologist 103T00000X
- Practice location
- 1350 Connecticut Ave NW Ste 604, Washington, DC 20036
- Phone
- (202) 922-6989
- Enumerated
- Aug 5, 2007
- Record last updated
- Mar 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychologist records → All 330 in District of Columbia → Look up another NPI →
Verify Justine Lassman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Justine Lassman among 330 psychologist records in District of Columbia
Justine Lassman, PSYD is one of 330 psychologist records with a practice address in District of Columbia. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 12% of them.
- NPI issued2007 · 12% of these records are older, 72% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2020 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychologist providers in District of Columbia
There are 330 psychologist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 330 in District of Columbia → Every provider in Washington → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Amy Bowers, PH.D., PSYCHOLOGISTWashington, DC 200361952422818
- Robin Dean, PSYD, JDWashington, DC 200361366777831
- Molly Donovan, PH.D.Washington, DC 200361316157209
- Peter Gibson, PH.D.Washington, DC 200361871678771
- Sarah Hedlund, PH.D.Washington, DC 200361073794608
- Brigitte Ladisch, PHDWashington, DC 200361346461167
- Jennifer Matasick, PH.D.Washington, DC 200361073884938
- Peter Russem, PH.D.Washington, DC 200361609908110
Common questions
What is Justine Lassman, PSYD's NPI number?
Justine Lassman, PSYD's National Provider Identifier (NPI) is 1831380922, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Justine Lassman, PSYD located?
The NPPES record lists a practice address at 1350 Connecticut Ave NW Ste 604, Washington, DC, 20036. Phone: (202) 922-6989. Providers update this record themselves, so call before visiting.
How can I verify Justine Lassman, PSYD's license?
Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.