IndividualActive
Joan Martzahl
NPI 1982766275 · Mental Health Counselor · Neenah, WI
Joan Martzahl is a Mental Health Counselor provider in Neenah, WI (NPI 1982766275).
Provider details
- NPI number
- 1982766275
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 2090-123 (WI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 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
211 N Commercial St
Neenah, WI 54956-2616
Phone: (920) 236-4600
Street-level locationGet directions
Mailing address
Po Box 2187
Oshkosh, WI 54903-2187
Registry dates
- Enumerated
- 2006-12-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joan Martzahl's NPI number?
- Joan Martzahl's National Provider Identifier (NPI) is 1982766275, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Martzahl's specialty?
- Joan Martzahl is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Joan Martzahl located?
- Joan Martzahl's practice location on file with NPPES is 211 N Commercial St, Neenah, WI 54956-2616.
- What is Joan Martzahl's phone number?
- The practice phone number listed in the NPPES registry for Joan Martzahl is (920) 236-4600.
- Is Joan Martzahl's NPI active?
- Yes — Joan Martzahl's NPI (1982766275) 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.