IndividualActive
Karen Siazon, RPH
NPI 1538855671 · Pharmacist · Lake Forest, CA
Karen Siazon, RPH is a Pharmacist provider in Lake Forest, CA (NPI 1538855671).
Provider details
- NPI number
- 1538855671
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- RPH
- Sex
- Female
- Sole proprietor
- Yes
- License
- 86644 (CA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
26762 Portola Pkwy
Lake Forest, CA 92610-1712
Phone: (949) 454-0327
Street-level locationGet directions
Mailing address
421 W Alberta St
Anaheim, CA 92805-2611
Registry dates
- Enumerated
- 2023-04-12
- Last updated
- 2023-04-12
- Certified
- 2023-02-24
Frequently asked questions
- What is Karen Siazon's NPI number?
- Karen Siazon's National Provider Identifier (NPI) is 1538855671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Siazon's specialty?
- Karen Siazon is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Karen Siazon located?
- Karen Siazon's practice location on file with NPPES is 26762 Portola Pkwy, Lake Forest, CA 92610-1712.
- What is Karen Siazon's phone number?
- The practice phone number listed in the NPPES registry for Karen Siazon is (949) 454-0327.
- Is Karen Siazon's NPI active?
- Yes — Karen Siazon's NPI (1538855671) is active in the NPPES registry as of the last update on 2023-04-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.