Dr. Sevan Makhoulian, PH.D.

Dr. Sevan Makhoulian is a Clinical Psychologist provider (Psychologist) practicing in Watertown, MA, registered in the NPPES registry with NPI 1750762936 since 2015. The credential PHD stands for Doctor of Philosophy. Practices at The Listening Room Psychological Services, Pllc (listed at the same practice address in NPPES).

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NPI	1750762936
Entity type	Individual (Type 1)
Name	Dr. Sevan Makhoulian
Credential	PH.D.
Sex	Female
Practice address	Watertown, MA, 02472
Phone	6177449081
Enumeration date	2015-06-14
Last updated in NPPES	2025-08-19

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
103TC0700X	Clinical Psychologist	Primary	11359	MA

PHD — Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Copy-ready billing details

Provider: Sevan Makhoulian, PH.D.
NPI: 1750762936
Taxonomy: 103TC0700X (Clinical Psychologist)
Address: Watertown, MA, 02472

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1710057617	Patricia Geller	Individual	Clinical Psychologist	Watertown, MA
1629913546	The Listening Room Psychological Services, Pllc	Organization	Clinical Psychologist	Watertown, MA

Verify this record

Cross-check NPI 1750762936 against the authoritative CMS record: view Dr. Sevan Makhoulian on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Sevan Makhoulian?

The National Provider Identifier (NPI) for Sevan Makhoulian is 1750762936, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sevan Makhoulian practice?

The practice location on file with NPPES is in Watertown, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2025-08-19.