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Export Provider Record NPI 1245427657
Dana TreistmanPH.D.
Active
NPI Number1245427657
NPI TypeNPI-1 Individual
SpecialtyPsychologist, Counseling
Provider Details
NPI1245427657
NPI TypeNPI-1 Individual
StatusActive
Enumeration Date2007-09-29
Last Updated2007-09-29
Mailing Address1633 Q St Nw, Suite 200
Washington, DC 20009-6351
United States
Phone: (202) 386-6234 | Fax: (202) 536-5943
📍 View Map
Primary Practice Address1633 Q St Nw, Suite 200
Washington, DC 20009-6351
United States
Phone: (202) 386-6234 | Fax: (202) 536-5943
📍 View Map
Taxonomy / Specialty
PrimaryTaxonomy Code & DescriptionStateLicense Number
Yes103TC1900X – Psychologist, CounselingDCPSY100443
Export Provider Record NPI 1245427657
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About NPI 1245427657

Dana Treistman PH.D. is a healthcare provider registered in the CMS NPPES NPI Registry with NPI number 1245427657. The primary specialty listed is Psychologist, Counseling. The provider is located in Washington, DC. This NPI is classified as a Type 1 (Individual) NPI and is currently active. The NPI was first enumerated (assigned) on 2007-09-29. All data is sourced directly from the official CMS NPPES public API and is updated daily.

Frequently Asked Questions

What is NPI 1245427657?

NPI 1245427657 belongs to Dana Treistman PH.D., a Psychologist, Counseling in Washington, DC. It is a Type 1 Individual NPI registered in the CMS NPPES NPI Registry.

Is NPI 1245427657 active?

The current status of NPI 1245427657 in the NPPES registry is Active. The record was last updated on 2007-09-29.

What specialty is NPI 1245427657?

NPI 1245427657 is classified under the taxonomy Psychologist, Counseling. Taxonomy codes in NPPES are maintained by the National Uniform Claim Committee (NUCC) and identify the provider's type, classification, and specialization.

How do I verify NPI 1245427657?

You can verify NPI 1245427657 at the official CMS NPPES website at npiregistry.cms.hhs.gov or using our free NPI Lookup tool above. All data shown on this page is sourced directly from the official NPPES public API and is updated daily by CMS.

What address is on file for NPI 1245427657?

The primary practice address on file for NPI 1245427657 is 1633 Q St Nw, Washington, DC 20009-6351. This address is registered in the NPPES system and providers are required to update it within 30 days of any change.

When was NPI 1245427657 issued?

NPI 1245427657 was first issued (enumerated) on 2007-09-29. The NPPES record was last updated on 2007-09-29.

Practice Location Map

Dana Treistman is located at 1633 Q St Nw, Washington, DC. Use the map below to find directions or verify the practice location.

📍 1633 Q St Nw, Washington, DC 20009-6351  ·  Open in Google Maps ↗

Related Healthcare Providers

The following providers share the same practice location, specialty, or state as Dana Treistman. All records sourced from the CMS NPPES registry.

License Information

The following state license numbers are on file in the NPPES registry for NPI 1245427657. For license status verification, contact the relevant state licensing board directly.

Specialty / TaxonomyLicense NumberState
Psychologist, CounselingPSY100443DC
Data Verified from CMS NPPES Last synced: 2026-07-25 · Source: npiregistry.cms.hhs.gov · 45 CFR Part 162