Mary Louder, DO
NPI 1437220241 · Family Medicine Physician · Holland, MI
Mary Louder, DO is a Family Medicine Physician provider in Holland, MI (NPI 1437220241).
Provider details
- NPI number
- 1437220241
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- TL-1033 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2022-11-25
- Certified
- 2022-11-25
Frequently asked questions
- What is Mary Louder's NPI number?
- Mary Louder's National Provider Identifier (NPI) is 1437220241, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Louder's specialty?
- Mary Louder is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Louder located?
- Mary Louder's practice location on file with NPPES is 2695 Pinehill Dr, Holland, MI 49424.
- What is Mary Louder's phone number?
- The practice phone number listed in the NPPES registry for Mary Louder is (616) 201-8955.
- Is Mary Louder's NPI active?
- Yes — Mary Louder's NPI (1437220241) is active in the NPPES registry as of the last update on 2022-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.