Carol Mertins, APRN, BC
NPI 1366606618 · Psychiatric/Mental Health Nurse Practitioner · Watertown, WI
Carol Mertins, APRN, BC is a Psychiatric/Mental Health Nurse Practitioner provider in Watertown, WI (NPI 1366606618).
Provider details
- NPI number
- 1366606618
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN, BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 3055-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
17 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
- 2008-07-16
- Last updated
- 2017-04-05
Frequently asked questions
- What is Carol Mertins's NPI number?
- Carol Mertins's National Provider Identifier (NPI) is 1366606618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carol Mertins's specialty?
- Carol Mertins is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carol Mertins located?
- Carol Mertins's practice location on file with NPPES is 415 S 8th St, Watertown, WI 53094-4730.
- What is Carol Mertins's phone number?
- The practice phone number listed in the NPPES registry for Carol Mertins is (920) 206-7797.
- Is Carol Mertins's NPI active?
- Yes — Carol Mertins's NPI (1366606618) is active in the NPPES registry as of the last update on 2017-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.