Mark Loesch, PH.D.
NPI 1215357587 · Psychologist · Boston, MA
Mark Loesch, PH.D. is a Psychologist provider in Boston, MA (NPI 1215357587).
Provider details
- NPI number
- 1215357587
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29157 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
12 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
- 2014-04-24
- Last updated
- 2022-02-22
- Certified
- 2022-02-22
Frequently asked questions
- What is Mark Loesch's NPI number?
- Mark Loesch's National Provider Identifier (NPI) is 1215357587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Loesch's specialty?
- Mark Loesch is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Loesch located?
- Mark Loesch's practice location on file with NPPES is 75 State St Fl 26, Boston, MA 02109-1827.
- What is Mark Loesch's phone number?
- The practice phone number listed in the NPPES registry for Mark Loesch is (617) 204-3500.
- Is Mark Loesch's NPI active?
- Yes — Mark Loesch's NPI (1215357587) is active in the NPPES registry as of the last update on 2022-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.