Liam Montanarelli, PHD, LCSW-C
NPI 1003535345 · Clinical Social Worker · Millersville, MD
Liam Montanarelli, PHD, LCSW-C is a Clinical Social Worker provider in Millersville, MD (NPI 1003535345).
Provider details
- NPI number
- 1003535345
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- PHD, LCSW-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 28649 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
Mailing address
Registry dates
- Enumerated
- 2022-08-22
- Last updated
- 2026-05-01
- Certified
- 2026-05-01
Frequently asked questions
- What is Liam Montanarelli's NPI number?
- Liam Montanarelli's National Provider Identifier (NPI) is 1003535345, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liam Montanarelli's specialty?
- Liam Montanarelli is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Liam Montanarelli located?
- Liam Montanarelli's practice location on file with NPPES is 493 Old Orchard Cir, Millersville, MD 21108-2010.
- What is Liam Montanarelli's phone number?
- The practice phone number listed in the NPPES registry for Liam Montanarelli is (415) 688-5627.
- Is Liam Montanarelli's NPI active?
- Yes — Liam Montanarelli's NPI (1003535345) is active in the NPPES registry as of the last update on 2026-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.