Mary Fierro, LICSW
NPI 1962468876 · Clinical Social Worker · Worcester, MA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Fierro, LICSW is a Clinical Social Worker provider in Worcester, MA (NPI 1962468876).
Provider details
- NPI number
- 1962468876
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LICSW
- Sex
- Female
- Sole proprietor
- No
- License
- 113429 (MA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-04-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Fierro's NPI number?
- Mary Fierro's National Provider Identifier (NPI) is 1962468876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Fierro's specialty?
- Mary Fierro is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Fierro located?
- Mary Fierro's practice location on file with NPPES is 19 Tacoma St, Worcester, MA 01605-3516.
- What is Mary Fierro's phone number?
- The practice phone number listed in the NPPES registry for Mary Fierro is (508) 852-1805.
- Does Mary Fierro accept Medicare?
- Mary Fierro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Fierro's NPI active?
- Yes — Mary Fierro's NPI (1962468876) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.