IndividualActive
Karen Knapp, RN, CNOR, CRNFA
NPI 1639185812 · Registered Nurse · Muskegon, MI
Karen Knapp, RN, CNOR, CRNFA is a Registered Nurse provider in Muskegon, MI (NPI 1639185812).
Provider details
- NPI number
- 1639185812
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN, CNOR, CRNFA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4704149762 (MI)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(91/100 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
1500 E Sherman Blvd
Muskegon, MI 49444-1849
Phone: (231) 672-3928
Fax: (231) 672-3848
Street-level locationGet directions
Mailing address
6050 S 36th Ave
New Era, MI 49446-8050
Registry dates
- Enumerated
- 2006-07-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Knapp's NPI number?
- Karen Knapp's National Provider Identifier (NPI) is 1639185812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Knapp's specialty?
- Karen Knapp is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Karen Knapp located?
- Karen Knapp's practice location on file with NPPES is 1500 E Sherman Blvd, Muskegon, MI 49444-1849.
- What is Karen Knapp's phone number?
- The practice phone number listed in the NPPES registry for Karen Knapp is (231) 672-3928.
- Is Karen Knapp's NPI active?
- Yes — Karen Knapp's NPI (1639185812) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.