Sarah Wallingford, LMHC
NPI 1871423319 · Mental Health Counselor · Arlington, MA
Sarah Wallingford, LMHC is a Mental Health Counselor provider in Arlington, MA (NPI 1871423319).
Provider details
- NPI number
- 1871423319
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sole proprietor
- No
- License
- LMHC10006397 (MA)
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
Under 1 yr in 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
- 2026-05-19
- Last updated
- 2026-05-19
- Certified
- 2026-05-18
Frequently asked questions
- What is Sarah Wallingford's NPI number?
- Sarah Wallingford's National Provider Identifier (NPI) is 1871423319, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Wallingford's specialty?
- Sarah Wallingford is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Sarah Wallingford located?
- Sarah Wallingford's practice location on file with NPPES is 406 Massachusetts Ave, Arlington, MA 02474-6700.
- What is Sarah Wallingford's phone number?
- The practice phone number listed in the NPPES registry for Sarah Wallingford is (781) 443-9083.
- Is Sarah Wallingford's NPI active?
- Yes — Sarah Wallingford's NPI (1871423319) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.