Roswitha Saenz-Sierzega, PHD
NPI 1811219470 · Psychologist · Chandler, AZ
Roswitha Saenz-Sierzega, PHD is a Psychologist provider in Chandler, AZ (NPI 1811219470).
Provider details
- NPI number
- 1811219470
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 63779 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 11150 Montwood Dr Bldg aEl Paso, TX 79936-4259Phone: (915) 274-1920
Registry dates
- Enumerated
- 2010-02-24
- Last updated
- 2019-03-05
Frequently asked questions
- What is Roswitha Saenz-Sierzega's NPI number?
- Roswitha Saenz-Sierzega's National Provider Identifier (NPI) is 1811219470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roswitha Saenz-Sierzega's specialty?
- Roswitha Saenz-Sierzega is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Roswitha Saenz-Sierzega located?
- Roswitha Saenz-Sierzega's practice location on file with NPPES is 908 W Chandler Blvd Ste D, Chandler, AZ 85225.
- What is Roswitha Saenz-Sierzega's phone number?
- The practice phone number listed in the NPPES registry for Roswitha Saenz-Sierzega is (480) 409-2820.
- Is Roswitha Saenz-Sierzega's NPI active?
- Yes — Roswitha Saenz-Sierzega's NPI (1811219470) is active in the NPPES registry as of the last update on 2019-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.