Marla Murray-Koss, APNP
NPI 1891791190 · Nurse Practitioner · Onalaska, WI
Marla Murray-Koss, APNP is a Nurse Practitioner provider in Onalaska, WI (NPI 1891791190).
Provider details
- NPI number
- 1891791190
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2529 (WI)
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
20 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
- 2005-06-22
- Last updated
- 2008-02-22
Frequently asked questions
- What is Marla Murray-Koss's NPI number?
- Marla Murray-Koss's National Provider Identifier (NPI) is 1891791190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marla Murray-Koss's specialty?
- Marla Murray-Koss is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marla Murray-Koss located?
- Marla Murray-Koss's practice location on file with NPPES is 1202 County Road Ph Ste 100, Onalaska, WI 54650-8440.
- What is Marla Murray-Koss's phone number?
- The practice phone number listed in the NPPES registry for Marla Murray-Koss is (608) 781-2225.
- Is Marla Murray-Koss's NPI active?
- Yes — Marla Murray-Koss's NPI (1891791190) is active in the NPPES registry as of the last update on 2008-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.