OrganizationActive
Main Line Psychiatric Assoc. Ltd
NPI 1487768487 · Psychiatry Physician · Wynnewood, PA
Provider details
- NPI number
- 1487768487
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Dewitt Montgomery, President(610) 457-3744
- License
- 0242722 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
100 Lancaster Avenue
441 Lankenau Medical Building
Wynnewood, PA 19096
Phone: (610) 457-3744
Fax: (610) 667-9123
Street-level locationGet directions
Mailing address
Po Box 3012
Wilmington, DE 19804
Other names (DBA / former)
- Doing business as
- Dewitt H Montgomery Jr MD
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2008-08-18
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.