Mary Henderson, RN
NPI 1699367078 · Addiction (Substance Use Disorder) Registered Nurse · Watertown, NY
Mary Henderson, RN is a Addiction (Substance Use Disorder) Registered Nurse provider in Watertown, NY (NPI 1699367078).
Provider details
- NPI number
- 1699367078
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 361911-1 (NY)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-02-08
- Last updated
- 2021-02-08
- Certified
- 2021-02-08
Frequently asked questions
- What is Mary Henderson's NPI number?
- Mary Henderson's National Provider Identifier (NPI) is 1699367078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Henderson's specialty?
- Mary Henderson is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Registered Nurse (Nursing Service Providers).
- Where is Mary Henderson located?
- Mary Henderson's practice location on file with NPPES is 595 W Main St, Watertown, NY 13601-1335.
- What is Mary Henderson's phone number?
- The practice phone number listed in the NPPES registry for Mary Henderson is (315) 788-1530.
- Is Mary Henderson's NPI active?
- Yes — Mary Henderson's NPI (1699367078) is active in the NPPES registry as of the last update on 2021-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.