Mary Young, RNCS
NPI 1508917774 · Adult Psychiatric/Mental Health Clinical Nurse Specialist · Lexington, MA
Mary Young, RNCS is a Adult Psychiatric/Mental Health Clinical Nurse Specialist provider in Lexington, MA (NPI 1508917774).
Provider details
- NPI number
- 1508917774
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RNCS
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN144255PC (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
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
- 2007-01-15
- Last updated
- 2007-07-09
Frequently asked questions
- What is Mary Young's NPI number?
- Mary Young's National Provider Identifier (NPI) is 1508917774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Young's specialty?
- Mary Young is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Clinical Nurse Specialist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Young located?
- Mary Young's practice location on file with NPPES is 4 Muzzey St, Lexington, MA 02421-5220.
- What is Mary Young's phone number?
- The practice phone number listed in the NPPES registry for Mary Young is (781) 646-2324.
- Is Mary Young's NPI active?
- Yes — Mary Young's NPI (1508917774) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.