Mary Ludwig, OTR/L
NPI 1992320402 · Occupational Therapist · Lancaster, PA
Mary Ludwig, OTR/L is a Occupational Therapist provider in Lancaster, PA (NPI 1992320402).
Provider details
- NPI number
- 1992320402
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- No
- License
- OC016089 (PA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-06-10
- Last updated
- 2020-06-10
- Certified
- 2020-06-10
Frequently asked questions
- What is Mary Ludwig's NPI number?
- Mary Ludwig's National Provider Identifier (NPI) is 1992320402, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ludwig's specialty?
- Mary Ludwig is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Mary Ludwig located?
- Mary Ludwig's practice location on file with NPPES is 2829 Lititz Pike, Lancaster, PA 17601-3321.
- What is Mary Ludwig's phone number?
- The practice phone number listed in the NPPES registry for Mary Ludwig is (171) 756-9321.
- Is Mary Ludwig's NPI active?
- Yes — Mary Ludwig's NPI (1992320402) is active in the NPPES registry as of the last update on 2020-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.