John Cerny, RN, LADC
NPI 1780744581 · Addiction (Substance Use Disorder) Counselor · Gardnerville, NV
John Cerny, RN, LADC is a Addiction (Substance Use Disorder) Counselor provider in Gardnerville, NV (NPI 1780744581).
Provider details
- NPI number
- 1780744581
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- RN, LADC
- Sex
- Male
- Sole proprietor
- No
- License
- 1688 (NV)
Specialties & taxonomies
Behavioral Health & Social Service 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
- 2006-12-11
- Last updated
- 2025-09-11
Frequently asked questions
- What is John Cerny's NPI number?
- John Cerny's National Provider Identifier (NPI) is 1780744581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cerny's specialty?
- John Cerny is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is John Cerny located?
- John Cerny's practice location on file with NPPES is 1538 Hwy 395 North, Gardnerville, NV 89410.
- What is John Cerny's phone number?
- The practice phone number listed in the NPPES registry for John Cerny is (775) 782-3671.
- Is John Cerny's NPI active?
- Yes — John Cerny's NPI (1780744581) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.