IndividualActive
Sarah Mierzejewski
NPI 1700303542 · Social Worker · Reading, PA
Sarah Mierzejewski is a Social Worker provider in Reading, PA (NPI 1700303542).
Provider details
- NPI number
- 1700303542
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- SW134485 (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
125 S 5th St
Reading, PA 19602-1662
Phone: (610) 685-2188
Fax: (610) 685-2183
Street-level locationGet directions
Mailing address
200 N 7th St
Lebanon, PA 17046-5040
Registry dates
- Enumerated
- 2017-08-23
- Last updated
- 2020-01-07
- Certified
- 2020-01-07
Frequently asked questions
- What is Sarah Mierzejewski's NPI number?
- Sarah Mierzejewski's National Provider Identifier (NPI) is 1700303542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Mierzejewski's specialty?
- Sarah Mierzejewski is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Sarah Mierzejewski located?
- Sarah Mierzejewski's practice location on file with NPPES is 125 S 5th St, Reading, PA 19602-1662.
- What is Sarah Mierzejewski's phone number?
- The practice phone number listed in the NPPES registry for Sarah Mierzejewski is (610) 685-2188.
- Is Sarah Mierzejewski's NPI active?
- Yes — Sarah Mierzejewski's NPI (1700303542) is active in the NPPES registry as of the last update on 2020-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.