IndividualActive
Jeffrey Dzieweczynski, R.PH., M.S.
NPI 1639223332 · Pharmacist · Washington, DC
Jeffrey Dzieweczynski, R.PH., M.S. is a Pharmacist provider in Washington, DC (NPI 1639223332).
Provider details
- NPI number
- 1639223332
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- R.PH., M.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PH2425 (DC)
Specialties & taxonomies
Pharmacy 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
750 1st St Ne
Suite 1020
Washington, DC 20002-4241
Phone: (202) 906-8353
Street-level locationGet directions
Mailing address
1422 Rhode Island Ave Nw
Washington, DC 20005-5401
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jeffrey Dzieweczynski's NPI number?
- Jeffrey Dzieweczynski's National Provider Identifier (NPI) is 1639223332, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Dzieweczynski's specialty?
- Jeffrey Dzieweczynski is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Jeffrey Dzieweczynski located?
- Jeffrey Dzieweczynski's practice location on file with NPPES is 750 1st St Ne, Washington, DC 20002-4241.
- What is Jeffrey Dzieweczynski's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Dzieweczynski is (202) 906-8353.
- Is Jeffrey Dzieweczynski's NPI active?
- Yes — Jeffrey Dzieweczynski's NPI (1639223332) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.