Chelsea Lang, PMHNP-BC, APRN, MSN
NPI 1174321806 · Psychiatric/Mental Health Nurse Practitioner · Mount Sinai, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Lang, PMHNP-BC, APRN, MSN is a Psychiatric/Mental Health Nurse Practitioner provider in Mount Sinai, NY (NPI 1174321806).
Provider details
- NPI number
- 1174321806
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC, APRN, MSN
- Sex
- Female
- Sole proprietor
- No
- License
- RN9605082 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing 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
1 yr 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
- 2025-03-06
- Last updated
- 2025-09-15
- Certified
- 2025-09-15
Frequently asked questions
- What is Chelsea Lang's NPI number?
- Chelsea Lang's National Provider Identifier (NPI) is 1174321806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Lang's specialty?
- Chelsea Lang is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chelsea Lang located?
- Chelsea Lang's practice location on file with NPPES is 33 Liso Dr, Mount Sinai, NY 11766-1918.
- What is Chelsea Lang's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Lang is (631) 806-9039.
- Does Chelsea Lang accept Medicare?
- Chelsea Lang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Lang's NPI active?
- Yes — Chelsea Lang's NPI (1174321806) is active in the NPPES registry as of the last update on 2025-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.