IndividualActive
Johanna Nielsen, PHD
NPI 1861231847 · Clinical Psychologist · Concord, MA
Johanna Nielsen, PHD is a Clinical Psychologist provider in Concord, MA (NPI 1861231847).
Provider details
- NPI number
- 1861231847
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- PSY10000430 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
801 Main St Ste 7
Concord, MA 01742-3319
Phone: (617) 539-6762
Street-level locationGet directions
Mailing address
801 Main St Ste 7
Concord, MA 01742-3319
Registry dates
- Enumerated
- 2024-05-21
- Last updated
- 2024-05-21
- Certified
- 2024-05-21
Frequently asked questions
- What is Johanna Nielsen's NPI number?
- Johanna Nielsen's National Provider Identifier (NPI) is 1861231847, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Johanna Nielsen's specialty?
- Johanna Nielsen is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Johanna Nielsen located?
- Johanna Nielsen's practice location on file with NPPES is 801 Main St Ste 7, Concord, MA 01742-3319.
- What is Johanna Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Johanna Nielsen is (617) 539-6762.
- Is Johanna Nielsen's NPI active?
- Yes — Johanna Nielsen's NPI (1861231847) is active in the NPPES registry as of the last update on 2024-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.