Karen Marzella, NURSE PRACTIONIER
NPI 1376611863 · Nurse Practitioner · Troy, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Marzella, NURSE PRACTIONIER is a Nurse Practitioner provider in Troy, MI (NPI 1376611863).
Provider details
- NPI number
- 1376611863
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NURSE PRACTIONIER
- Sex
- Female
- Sole proprietor
- No
- License
- 4704123587 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service 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
- 2006-12-01
- Last updated
- 2018-01-30
Frequently asked questions
- What is Karen Marzella's NPI number?
- Karen Marzella's National Provider Identifier (NPI) is 1376611863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Marzella's specialty?
- Karen Marzella is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Marzella located?
- Karen Marzella's practice location on file with NPPES is 130 Town Center Dr Ste 200, Troy, MI 48084-1744.
- What is Karen Marzella's phone number?
- The practice phone number listed in the NPPES registry for Karen Marzella is (248) 740-0670.
- Does Karen Marzella accept Medicare?
- Karen Marzella is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Marzella's NPI active?
- Yes — Karen Marzella's NPI (1376611863) is active in the NPPES registry as of the last update on 2018-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.