IndividualActive
Cassandra Jannsen
NPI 1508642711 · Psychologist · Worcester, MA
Cassandra Jannsen is a Psychologist provider in Worcester, MA (NPI 1508642711).
Provider details
- NPI number
- 1508642711
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
335 Chandler St
Worcester, MA 01602-3441
Phone: (508) 791-3261
Street-level locationGet directions
Mailing address
135 E Main St Apt U1
Westborough, MA 01581-2738
Registry dates
- Enumerated
- 2023-09-04
- Last updated
- 2023-09-04
- Certified
- 2023-09-04
Frequently asked questions
- What is Cassandra Jannsen's NPI number?
- Cassandra Jannsen's National Provider Identifier (NPI) is 1508642711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Jannsen's specialty?
- Cassandra Jannsen is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Cassandra Jannsen located?
- Cassandra Jannsen's practice location on file with NPPES is 335 Chandler St, Worcester, MA 01602-3441.
- What is Cassandra Jannsen's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Jannsen is (508) 791-3261.
- Is Cassandra Jannsen's NPI active?
- Yes — Cassandra Jannsen's NPI (1508642711) is active in the NPPES registry as of the last update on 2023-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.