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Mallory Horgan, LMHC
NPI 1104264340 · Counselor · Arlington, MA
Mallory Horgan, LMHC is a Counselor provider in Arlington, MA (NPI 1104264340).
Provider details
- NPI number
- 1104264340
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
491 Massachusetts Ave Ste 2
Arlington, MA 02474-5114
Phone: (978) 307-7004
Street-level locationGet directions
Mailing address
Po Box 216
Westminster, MA 01473-0216
Registry dates
- Enumerated
- 2013-06-10
- Last updated
- 2021-07-30
- Certified
- 2021-07-30
Frequently asked questions
- What is Mallory Horgan's NPI number?
- Mallory Horgan's National Provider Identifier (NPI) is 1104264340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Horgan's specialty?
- Mallory Horgan is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Mallory Horgan located?
- Mallory Horgan's practice location on file with NPPES is 491 Massachusetts Ave Ste 2, Arlington, MA 02474-5114.
- What is Mallory Horgan's phone number?
- The practice phone number listed in the NPPES registry for Mallory Horgan is (978) 307-7004.
- Is Mallory Horgan's NPI active?
- Yes — Mallory Horgan's NPI (1104264340) is active in the NPPES registry as of the last update on 2021-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.