Sonja Linn, PH.D.
Counseling Psychologist · Washington, DC
Sonja Linn, PH.D. is a counseling psychologist with a practice address in Washington, District of Columbia, and NPI 1477722973, issued on Feb 28, 2008. Check the license (District of Columbia PSY1000207, as entered in NPPES) with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Sonja Linn
- Credential
- PH.D.
- Primary taxonomy
- Counseling Psychologist 103TC1900X
- License number
- PSY1000207 DC
Self-reported in NPPES; status is on the state search - Practice location
- 2440 M St NW, Washington, DC 20037
- Phone
- (202) 887-8088
- Enumerated
- Feb 28, 2008
- Record last updated
- Feb 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (202) 887-8999
- Entity
- Type 1 · individual
Also registered at 2440 M St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rafat Abbasi, M.D.Specialist1114004496
- Iman Abdel Mohsen Khalil, MDGeneral Practice Physician1982233763
- Kianoush Alem, D.M.D., M.S.Dentist1669823027
- Bruce Ames, MDGynecology Physician1912927898
- Paula Atkinson, LICSW, E-RYT 500Clinical Social Worker1952767600
- Becky Bailey, PH.D.Psychologist1891848495
Verify Sonja Linn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license PSY1000207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Counseling Psychologist providers in District of Columbia
There are 59 counseling psychologist records in District of Columbia. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 59 in District of Columbia → Every provider in Washington →
Other counseling psychologist records in District of Columbia
- Stacie Ain, PH.D.Washington, DC1043678816
- Bernasha AndersonWashington, DC1821679408
- Bradley Brenner, PH.D.Washington, DC1871624437
- Aubrey Bruce, PHDWashington, DC1982126025
- Traci Callandrillo, PH.D.Washington, DC1447531371
- Kathryn Camicia, PHDWashington, DC1184884223
- Vikram Chiruvolu, LGPC, MA, BSCSWashington, DC1831754365
- Robert Drinkwater, PHDWashington, DC1942655980
- Patricia Fisher, PHD PSYCHOLOGYWashington, DC1275607202
- Marisa FrancoWashington, DC1952990889
Common questions
What is Sonja Linn, PH.D.'s NPI number?
Sonja Linn, PH.D.'s National Provider Identifier (NPI) is 1477722973, issued on Feb 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sonja Linn, PH.D. located?
The NPPES record lists a practice address at 2440 M St NW, Washington, DC, 20037. Phone: (202) 887-8088. Providers update this record themselves, so call before visiting.
How can I verify Sonja Linn, PH.D.'s license?
NPPES lists District of Columbia license number PSY1000207, as entered by the provider. 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.