Julia Sifferlen
NPI 1609662725 · Psychiatric/Mental Health Nurse Practitioner · Pembroke, MA
Julia Sifferlen is a Psychiatric/Mental Health Nurse Practitioner provider in Pembroke, MA (NPI 1609662725).
Provider details
- NPI number
- 1609662725
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2362089 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2025-04-16
- Last updated
- 2025-09-21
- Certified
- 2025-09-21
Frequently asked questions
- What is Julia Sifferlen's NPI number?
- Julia Sifferlen's National Provider Identifier (NPI) is 1609662725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julia Sifferlen's specialty?
- Julia Sifferlen is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julia Sifferlen located?
- Julia Sifferlen's practice location on file with NPPES is 28 Riverside Dr Ste 260, Pembroke, MA 02359-4947.
- What is Julia Sifferlen's phone number?
- The practice phone number listed in the NPPES registry for Julia Sifferlen is (781) 427-7070.
- Is Julia Sifferlen's NPI active?
- Yes — Julia Sifferlen's NPI (1609662725) is active in the NPPES registry as of the last update on 2025-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.