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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. JASON WILFRED MERZEUS NP
NPI 1427956689
Nurse Practitioner - Psychiatric/Mental Health in Weston, MA

Active since October 28, 2026
235 WELLESLEY ST, WESTON, MA 02493(781) 768-7000 Get Directions Write a Review

NPPES record added: October 28, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. Jason Wilfred Merzeus Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. JASON WILFRED MERZEUS NP (NPI 1427956689) is an individual psychiatric/mental health provider in Weston, Massachusetts, licensed in Massachusetts (RN2345557) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1427956689
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameMR. JASON WILFRED MERZEUSCredential: NP
Location Address235 WELLESLEY STWeston, MA 02493-1572
Mailing Address109 Bittersweet LnRandolph, MA 02368-3985
Phone(781) 768-7000
Sole ProprietorNo
Enumeration DateOctober 28, 2026
NPPES CertifiedOctober 28, 2026
✔ NPI 1427956689 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN2345557
235 WELLESLEY ST, Weston, MA 02493
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KELSEY PECK
Registered Nurse (Ambulatory Care)
235 WELLESLEY ST
WESTON, MA 02493
Middlesex County (781) 768-7000
ALEXIS JEAN LUNDSTROM RN
Registered Nurse (Emergency)
235 WELLESLEY ST
WESTON, MA 02493
Middlesex County (781) 768-7000
GINA UBERTINI
Registered Nurse
235 WELLESLEY ST
WESTON, MA 02493
Middlesex County (781) 768-7000
DIANA DELAURI
Registered Nurse (College Health)
235 WELLESLEY ST
WESTON, MA 02493
Middlesex County (781) 768-7000
MRS. DIANNA MARIE JONES DNP
Nurse Practitioner
235 WELLESLEY ST, BOX 11
WESTON, MA 02493
Middlesex County (781) 768-7291
JIAMIN YOU
Behavior Analyst
235 WELLESLEY ST
WESTON, MA 02493
Middlesex County (617) 693-5767
ANNA HOLLYER PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
235 WELLESLEY ST
WESTON, MA 02493
Middlesex County (518) 860-0053
KENNY YAN
Registered Nurse (General Practice)
235 WELLESLEY ST
WESTON, MA 02493
Middlesex County (781) 768-7000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jason Merzeus's NPI number?

The NPI number for Jason Merzeus is 1427956689. It was assigned to this individual provider in the NPPES registry on October 28, 2026.

Where is Jason Merzeus located?

Jason Merzeus practices at 235 Wellesley St, Weston, MA 02493. The listed phone number is (781) 768-7000.

What is Jason Merzeus's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Jason Merzeus was last updated on October 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.