IndividualActive
Jacek Tretko, PHARM.D
NPI 1619634888 · Pharmacist · Ventura, CA
Jacek Tretko, PHARM.D is a Pharmacist provider in Ventura, CA (NPI 1619634888).
Provider details
- NPI number
- 1619634888
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHARM.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 58594 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
147 N Brent St
Ventura, CA 93003-2809
Phone: (805) 948-3014
Street-level locationGet directions
Mailing address
927 Gold Cir
Ventura, CA 93004-4031
Registry dates
- Enumerated
- 2021-11-23
- Last updated
- 2021-11-23
- Certified
- 2021-11-23
Frequently asked questions
- What is Jacek Tretko's NPI number?
- Jacek Tretko's National Provider Identifier (NPI) is 1619634888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacek Tretko's specialty?
- Jacek Tretko is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Jacek Tretko located?
- Jacek Tretko's practice location on file with NPPES is 147 N Brent St, Ventura, CA 93003-2809.
- What is Jacek Tretko's phone number?
- The practice phone number listed in the NPPES registry for Jacek Tretko is (805) 948-3014.
- Is Jacek Tretko's NPI active?
- Yes — Jacek Tretko's NPI (1619634888) is active in the NPPES registry as of the last update on 2021-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.