IndividualActive
Holly Macmillan, LICSW
NPI 1013497346 · Clinical Social Worker · Boston, MA
Holly Macmillan, LICSW is a Clinical Social Worker provider in Boston, MA (NPI 1013497346).
Provider details
- NPI number
- 1013497346
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- LICSW110266 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% 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
300 Longwood Ave
Boston, MA 02115-5724
Phone: (617) 355-6000
Street-level locationGet directions
Mailing address
300 Longwood Ave
Boston, MA 02115-5724
Registry dates
- Enumerated
- 2018-08-16
- Last updated
- 2024-03-08
- Certified
- 2024-03-08
Frequently asked questions
- What is Holly Macmillan's NPI number?
- Holly Macmillan's National Provider Identifier (NPI) is 1013497346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Macmillan's specialty?
- Holly Macmillan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Holly Macmillan located?
- Holly Macmillan's practice location on file with NPPES is 300 Longwood Ave, Boston, MA 02115-5724.
- What is Holly Macmillan's phone number?
- The practice phone number listed in the NPPES registry for Holly Macmillan is (617) 355-6000.
- Is Holly Macmillan's NPI active?
- Yes — Holly Macmillan's NPI (1013497346) is active in the NPPES registry as of the last update on 2024-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.