Catherine Day

Psychologist · Frederick, MD

Individual Active NPI

NPI number 1699636720

Practice location

10 N Jefferson St Ste 203
Frederick, MD 21701-4865
Phone
(202) 750-1028

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NPI record

NPI
1699636720
Entity type
Individual (Type 1)
Enumeration date
November 19, 2025
Last updated
May 22, 2026
Certified
May 22, 2026
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Psychologist Primary 103T00000X A01225 MD

Mailing address

6010 Executive Blvd Unit 303
Rockville, MD 20852-3809
Phone
(202) 750-1028

Other practice locations (1)

  • 6010 Executive Blvd Unit 303, Rockville, MD 20852-3809 · (202) 750-1028 ext. 106

About Catherine Day

Catherine Day is a healthcare provider registered in the NPI registry with the primary taxonomy Psychologist (code 103T00000X). The practice location is 10 N Jefferson St Ste 203, Frederick, MD 21701-4865. The NPI number 1699636720 was assigned on November 19, 2025 and the record was last updated on May 22, 2026.

Catherine Day lists a license in the registry: #A01225 (MD) for Psychologist. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Catherine Day?

The NPI number is 1699636720.

What is the phone number of Catherine Day?

The phone number listed for the practice location is (202) 750-1028.

Where is Catherine Day located?

10 N Jefferson St Ste 203, Frederick, MD 21701-4865.

What is the taxonomy code for Catherine Day?

The primary taxonomy code is 103T00000X – Psychologist.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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