What is Colm Brennan's NPI number?

Colm Brennan's National Provider Identifier (NPI) is 1710509906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Colm Brennan's specialty?

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

Where is Colm Brennan located?

Colm Brennan's practice location on file with NPPES is 50 Market Street, Suite 1a, South Portland, ME 04106.

What is Colm Brennan's phone number?

The practice phone number listed in the NPPES registry for Colm Brennan is (207) 352-3248.

Does Colm Brennan accept Medicare?

Colm Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Colm Brennan's NPI active?

Yes — Colm Brennan's NPI (1710509906) is active in the NPPES registry as of the last update on 2025-11-03.

IndividualActiveAccepts Medicare

Colm Brennan, LCSW

NPI 1710509906 · Clinical Social Worker · South Portland, ME

Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Colm Brennan, LCSW is a Clinical Social Worker provider in South Portland, ME (NPI 1710509906).

Provider details

NPI number: 1710509906
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Male
Sole proprietor: Yes
License: CW021277 (PA)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense LC19205 (ME)
Behavioral Health & Social Service Providers
Clinical Social Worker1041C0700XLicense CW021277 (PA)
Behavioral Health & Social Service Providers

Profile Score

Established profile(73/100 index)

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

Registry tenure38% of score
6 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 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

50 Market Street, Suite 1a

Pmb 393

South Portland, ME 04106

Phone: (207) 352-3248

Approximate (ZIP-level) locationGet directions

More ME providers

Mailing address

50 Market St Ste 1a

South Portland, ME 04106-3646

Additional practice locations (2)

41 Donald B Dean Dr Ste a
South Portland, ME 04106-3252
Phone: (207) 661-6064
Fax: (207) 253-6073
8200 Flourtown Ave Ste 8
Wyndmoor, PA 19038-7969

Enumerated: 2020-05-11
Last updated: 2025-11-03
Certified: 2025-11-03

Frequently asked questions

What is Colm Brennan's NPI number?: Colm Brennan's National Provider Identifier (NPI) is 1710509906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Colm Brennan's specialty?: Colm Brennan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Colm Brennan located?: Colm Brennan's practice location on file with NPPES is 50 Market Street, Suite 1a, South Portland, ME 04106.
What is Colm Brennan's phone number?: The practice phone number listed in the NPPES registry for Colm Brennan is (207) 352-3248.
Does Colm Brennan accept Medicare?: Colm Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Colm Brennan's NPI active?: Yes — Colm Brennan's NPI (1710509906) is active in the NPPES registry as of the last update on 2025-11-03.

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