IndividualActive
Catherine Day
NPI 1699636720 · Psychologist · Frederick, MD
Catherine Day is a Psychologist provider in Frederick, MD (NPI 1699636720).
Provider details
- NPI number
- 1699636720
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- A01225 (MD)
Specialties & taxonomies
Behavioral Health & Social 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
Under 1 yr in 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
10 N Jefferson St Ste 203
Frederick, MD 21701-4865
Phone: (202) 750-1028
Street-level locationGet directions
Mailing address
6010 Executive Blvd Unit 303
Rockville, MD 20852-3809
Additional practice locations (1)
- 6010 Executive Blvd Unit 303Rockville, MD 20852-3809Phone: (202) 750-1028
Registry dates
- Enumerated
- 2025-11-19
- Last updated
- 2026-05-22
- Certified
- 2026-05-22
Frequently asked questions
- What is Catherine Day's NPI number?
- Catherine Day's National Provider Identifier (NPI) is 1699636720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Day's specialty?
- Catherine Day is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Catherine Day located?
- Catherine Day's practice location on file with NPPES is 10 N Jefferson St Ste 203, Frederick, MD 21701-4865.
- What is Catherine Day's phone number?
- The practice phone number listed in the NPPES registry for Catherine Day is (202) 750-1028.
- Is Catherine Day's NPI active?
- Yes — Catherine Day's NPI (1699636720) is active in the NPPES registry as of the last update on 2026-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.