Marion Longo, CNS, RN
NPI 1538470406 · Psychiatric/Mental Health Clinical Nurse Specialist · Natick, MA
Marion Longo, CNS, RN is a Psychiatric/Mental Health Clinical Nurse Specialist provider in Natick, MA (NPI 1538470406).
Provider details
- NPI number
- 1538470406
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNS, RN
- Sex
- Female
- Sole proprietor
- No
- License
- RN111534 (MA)
Specialties & taxonomies
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
16 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
- 2010-06-25
- Last updated
- 2010-06-25
Frequently asked questions
- What is Marion Longo's NPI number?
- Marion Longo's National Provider Identifier (NPI) is 1538470406, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Longo's specialty?
- Marion Longo is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marion Longo located?
- Marion Longo's practice location on file with NPPES is 67 Union St, Natick, MA 01760-7700.
- What is Marion Longo's phone number?
- The practice phone number listed in the NPPES registry for Marion Longo is (508) 650-7380.
- Is Marion Longo's NPI active?
- Yes — Marion Longo's NPI (1538470406) is active in the NPPES registry as of the last update on 2010-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.