Montgomery Lyons
NPI 1124500285 · Clinical Psychologist · Princeton, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Montgomery Lyons is a Clinical Psychologist provider in Princeton, MA (NPI 1124500285).
Provider details
- NPI number
- 1124500285
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
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
83% 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
- 2018-09-05
- Last updated
- 2021-10-27
- Certified
- 2021-10-27
Frequently asked questions
- What is Montgomery Lyons's NPI number?
- Montgomery Lyons's National Provider Identifier (NPI) is 1124500285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Montgomery Lyons's specialty?
- Montgomery Lyons is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Montgomery Lyons located?
- Montgomery Lyons's practice location on file with NPPES is 162 Mountain Rd, Princeton, MA 01541-1108.
- What is Montgomery Lyons's phone number?
- The practice phone number listed in the NPPES registry for Montgomery Lyons is (844) 222-6037.
- Does Montgomery Lyons accept Medicare?
- Montgomery Lyons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Montgomery Lyons's NPI active?
- Yes — Montgomery Lyons's NPI (1124500285) is active in the NPPES registry as of the last update on 2021-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.