City of Chelsea
NPI 1558514356 · Public Health or Welfare Agency · Chelsea, MA
Enrolled with Medicare as Part B Supplier - Mass Immunization (roster Biller Only) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
City of Chelsea is a Public Health or Welfare Agency organization in Chelsea, MA (NPI 1558514356).
Provider details
- NPI number
- 1558514356
- Entity type
- Organization
- Primary specialty
- Public Health or Welfare AgencyAgencies
- Organization subpart
- No
- Authorized official
- Mary Mckenzie, Public Health Nurse(617) 466-4082
Specialties & taxonomies
Agencies
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-10-24
- Last updated
- 2008-10-24
Frequently asked questions
- What is City of Chelsea's NPI number?
- City of Chelsea's National Provider Identifier (NPI) is 1558514356, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is City of Chelsea?
- City of Chelsea is classified in the NPPES registry as Public Health or Welfare Agency (Agencies).
- Where is City of Chelsea located?
- City of Chelsea's practice location on file with NPPES is 500 Broadway, Chelsea, MA 02150-2948.
- What is City of Chelsea's phone number?
- The practice phone number listed in the NPPES registry for City of Chelsea is (617) 466-4082.
- Does City of Chelsea accept Medicare?
- City of Chelsea is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for City of Chelsea?
- The authorized official listed on City of Chelsea's NPPES record is Mary Mckenzie, Public Health Nurse. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is City of Chelsea's NPI active?
- Yes — City of Chelsea's NPI (1558514356) is active in the NPPES registry as of the last update on 2008-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.