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Tod Zwahlen
NPI 1477953750 · Psychologist · Modesto, CA
Tod Zwahlen is a Psychologist provider in Modesto, CA (NPI 1477953750).
Provider details
- NPI number
- 1477953750
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
1620 N Carpenter Rd Ste C16
Modesto, CA 95351-1156
Phone: (209) 602-3554
Street-level locationGet directions
Mailing address
3067 E Warm Springs Rd Ste 100
Las Vegas, NV 89120-3750
Registry dates
- Enumerated
- 2014-08-24
- Last updated
- 2024-02-07
- Certified
- 2024-02-07
Frequently asked questions
- What is Tod Zwahlen's NPI number?
- Tod Zwahlen's National Provider Identifier (NPI) is 1477953750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tod Zwahlen's specialty?
- Tod Zwahlen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Tod Zwahlen located?
- Tod Zwahlen's practice location on file with NPPES is 1620 N Carpenter Rd Ste C16, Modesto, CA 95351-1156.
- What is Tod Zwahlen's phone number?
- The practice phone number listed in the NPPES registry for Tod Zwahlen is (209) 602-3554.
- Is Tod Zwahlen's NPI active?
- Yes — Tod Zwahlen's NPI (1477953750) is active in the NPPES registry as of the last update on 2024-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.