Russell Klein, RTT
NPI 1689004400 · Radiation Therapy Radiologic Technologist · Washington, DC
Russell Klein, RTT is a Radiation Therapy Radiologic Technologist provider in Washington, DC (NPI 1689004400).
Provider details
- NPI number
- 1689004400
- Entity type
- Individual
- Primary specialty
- Radiation Therapy Radiologic TechnologistTechnologists, Technicians & Other Technical Service Providers
- Credential
- RTT
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Registry dates
- Enumerated
- 2013-11-14
- Last updated
- 2013-11-14
Frequently asked questions
- What is Russell Klein's NPI number?
- Russell Klein's National Provider Identifier (NPI) is 1689004400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Russell Klein's specialty?
- Russell Klein is listed in the NPPES registry with a primary specialty of Radiation Therapy Radiologic Technologist (Technologists, Technicians & Other Technical Service Providers).
- Where is Russell Klein located?
- Russell Klein's practice location on file with NPPES is 50 Irving St Nw, Washington, DC 20422-0001.
- What is Russell Klein's phone number?
- The practice phone number listed in the NPPES registry for Russell Klein is (202) 745-8000.
- Is Russell Klein's NPI active?
- Yes — Russell Klein's NPI (1689004400) is active in the NPPES registry as of the last update on 2013-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.