Jen Ziefert, LMHC, ATR
NPI 1285183228 · Mental Health Counselor · Watertown, MA
Jen Ziefert, LMHC, ATR is a Mental Health Counselor provider in Watertown, MA (NPI 1285183228).
Provider details
- NPI number
- 1285183228
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC, ATR
- Sex
- Female
- Sole proprietor
- Yes
- License
- 9143 (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
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 4 Summit AveBrookline, MA 02446-2365Phone: (917) 612-7605
Registry dates
- Enumerated
- 2016-10-03
- Last updated
- 2018-03-17
Frequently asked questions
- What is Jen Ziefert's NPI number?
- Jen Ziefert's National Provider Identifier (NPI) is 1285183228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jen Ziefert's specialty?
- Jen Ziefert is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Jen Ziefert located?
- Jen Ziefert's practice location on file with NPPES is 440 Arsenal St, Watertown, MA 02472-2898.
- What is Jen Ziefert's phone number?
- The practice phone number listed in the NPPES registry for Jen Ziefert is (917) 612-7605.
- Is Jen Ziefert's NPI active?
- Yes — Jen Ziefert's NPI (1285183228) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.