What is Mary O'Hara's NPI number?

Mary O'Hara's National Provider Identifier (NPI) is 1427108901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary O'Hara's specialty?

Mary O'Hara is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Mary O'Hara located?

Mary O'Hara's practice location on file with NPPES is 1111 Route 9, Garrison, NY 10524-3237.

What is Mary O'Hara's phone number?

The practice phone number listed in the NPPES registry for Mary O'Hara is (845) 335-5615.

Does Mary O'Hara accept Medicare?

Mary O'Hara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Mary O'Hara's NPI active?

Yes — Mary O'Hara's NPI (1427108901) is active in the NPPES registry as of the last update on 2024-06-28.

IndividualActiveAccepts Medicare

Mary O'Hara, LCSW

NPI 1427108901 · Clinical Social Worker · Garrison, NY

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

Mary O'Hara, LCSW is a Clinical Social Worker provider in Garrison, NY (NPI 1427108901).

Provider details

NPI number: 1427108901
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: LCSW
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 096539-01 (NY)
Behavioral Health & Social Service Providers
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care

Profile Score

Detailed profile(93/100 index)

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

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
83% 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

1111 Route 9

Garrison, NY 10524-3237

Phone: (845) 335-5615

Street-level locationGet directions

More NY providers

Mailing address

4403 Manor Dr

Peekskill, NY 10566-6914

Additional practice locations (3)

1 Chestnut St Fl 2
Cold Spring, NY 10516-2516
Phone: (845) 335-5615
40 W Main St
Mount Kisco, NY 10549-1919
Phone: (845) 335-5615
4403 Manor Dr
Peekskill, NY 10566-6914
Phone: (914) 548-7595

Enumerated: 2007-01-10
Last updated: 2024-06-28
Certified: 2024-06-28

Frequently asked questions

What is Mary O'Hara's NPI number?: Mary O'Hara's National Provider Identifier (NPI) is 1427108901, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary O'Hara's specialty?: Mary O'Hara is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Mary O'Hara located?: Mary O'Hara's practice location on file with NPPES is 1111 Route 9, Garrison, NY 10524-3237.
What is Mary O'Hara's phone number?: The practice phone number listed in the NPPES registry for Mary O'Hara is (845) 335-5615.
Does Mary O'Hara accept Medicare?: Mary O'Hara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Mary O'Hara's NPI active?: Yes — Mary O'Hara's NPI (1427108901) is active in the NPPES registry as of the last update on 2024-06-28.

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