What is Caitlyn Ellis's NPI number?

Caitlyn Ellis's National Provider Identifier (NPI) is 1598556755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Caitlyn Ellis's specialty?

Caitlyn Ellis is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).

Where is Caitlyn Ellis located?

Caitlyn Ellis's practice location on file with NPPES is 1900 N Howard St Ste 201, Baltimore, MD 21218-5909.

What is Caitlyn Ellis's phone number?

The practice phone number listed in the NPPES registry for Caitlyn Ellis is (410) 377-8111.

Is Caitlyn Ellis's NPI active?

Yes — Caitlyn Ellis's NPI (1598556755) is active in the NPPES registry as of the last update on 2025-05-15.

IndividualActive

Caitlyn Ellis, LMSW

NPI 1598556755 · Social Worker · Baltimore, MD

Caitlyn Ellis, LMSW is a Social Worker provider in Baltimore, MD (NPI 1598556755).

Provider details

NPI number: 1598556755
Entity type: Individual
Primary specialty: Social WorkerBehavioral Health & Social Service Providers
Credential: LMSW
Sole proprietor: Yes
License: 26197 (MD)

Specialties & taxonomies

Social WorkerPrimary104100000XLicense 26197 (MD)
Behavioral Health & Social Service Providers

Profile Score

Established profile(64/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
4 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

1900 N Howard St Ste 201

Baltimore, MD 21218-5909

Phone: (410) 377-8111

Fax: (410) 377-6806

Street-level locationGet directions

More MD providers

Mailing address

8503 Lasalle Road

Towson, MD 21286

Additional practice locations (3)

1101 Northpoint Blvd Ste 108
Baltimore, MD 21224-3417
Phone: (410) 377-8111
10760 Hickory Ridge Rd Ste 206
Columbia, MD 21044-3464
Phone: (410) 377-8111
Fax: (410) 377-6806
8503 Lasalle Road
2nd Floor
Towson, MD 21286
Phone: (410) 377-8111

Enumerated: 2025-05-15
Last updated: 2025-05-15
Certified: 2025-05-07

Frequently asked questions

What is Caitlyn Ellis's NPI number?: Caitlyn Ellis's National Provider Identifier (NPI) is 1598556755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Caitlyn Ellis's specialty?: Caitlyn Ellis is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
Where is Caitlyn Ellis located?: Caitlyn Ellis's practice location on file with NPPES is 1900 N Howard St Ste 201, Baltimore, MD 21218-5909.
What is Caitlyn Ellis's phone number?: The practice phone number listed in the NPPES registry for Caitlyn Ellis is (410) 377-8111.
Is Caitlyn Ellis's NPI active?: Yes — Caitlyn Ellis's NPI (1598556755) is active in the NPPES registry as of the last update on 2025-05-15.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.