Mary Derksen, CNS
NPI 1194749812 · Psychiatric/Mental Health Nurse Practitioner · Holland, MI
Mary Derksen, CNS is a Psychiatric/Mental Health Nurse Practitioner provider in Holland, MI (NPI 1194749812).
Provider details
- NPI number
- 1194749812
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNS
- Sex
- Female
- Sole proprietor
- No
- License
- 4704158809 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
- 2006-07-26
- Last updated
- 2012-02-13
Frequently asked questions
- What is Mary Derksen's NPI number?
- Mary Derksen's National Provider Identifier (NPI) is 1194749812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Derksen's specialty?
- Mary Derksen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Derksen located?
- Mary Derksen's practice location on file with NPPES is 12265 James St, Holland, MI 49424-8613.
- What is Mary Derksen's phone number?
- The practice phone number listed in the NPPES registry for Mary Derksen is (616) 494-5453.
- Is Mary Derksen's NPI active?
- Yes — Mary Derksen's NPI (1194749812) is active in the NPPES registry as of the last update on 2012-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.