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DR. ROBERT JONATHAN FENSTER M.D.-PH.D.
NPI 1801141973
Psychiatry & Neurology - Psychiatry in Belmont, MA

Active since July 16, 2012PECOS Enrolled
115 MILL ST, BELMONT, MA 02478(617) 855-4221 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jul 18, 2017 and 1 more (4 updates tracked since 2016).

About Dr. Robert Jonathan Fenster M.d.-ph.d. NPPES

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

DR. ROBERT JONATHAN FENSTER M.D.-PH.D. (NPI 1801141973) is an individual psychiatry provider in Belmont, Massachusetts, licensed in Massachusetts (270775) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1801141973
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ROBERT JONATHAN FENSTERCredential: M.D.-PH.D.
Location Address115 MILL STBelmont, MA 02478-1064
Mailing Address115 Mill StBelmont, MA 02478-1064 · (617) 855-4221
Phone(617) 855-4221
Sole ProprietorYes
Enumeration DateJuly 16, 2012
Last NPPES UpdateJuly 21, 20224 updates tracked since enumeration
✔ NPI 1801141973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in MA · 270775✔ Licensed in WA · MD60652939
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
115 MILL ST, Belmont, MA 02478
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Secondary Practice Location 1

Location 1325 9th AveSeattle, WA 98104-2420 · Phone (206) 744-3452

Other Identifiers 1

Medicaid1801141973WA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert Jonathan Fenster M.d.-ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02478 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

KATY TARELLA LICSW
Social Worker (Clinical)
115 MILL ST, MAILSTOP 137
BELMONT, MA 02478
Middlesex County (617) 855-4178
EVAN D MURRAY MD
Psychiatry & Neurology (Neurology)
115 MILL ST, MCLEAN HOSPITAL
BELMONT, MA 02478
Middlesex County (617) 855-2354
MIQVEH STEINHART
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3118
DANIELLE PACE PSYD
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-2000
DR. MARNI JOY CHANOFF MD
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3937
DR. NANCY ANN HUXLEY PH.D.
Psychologist (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3645
JOAN MARTHA COTTLER LICSW
Social Worker (Clinical)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3623
PROF. BRUCE MICHAEL COHEN M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
115 MILL ST
BELMONT, MA 02478
Middlesex County (617) 855-3227

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 Robert Fenster's NPI number?

The NPI number for Robert Fenster is 1801141973. It was assigned to this individual provider in the NPPES registry on July 16, 2012.

Where is Robert Fenster located?

Robert Fenster practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-4221.

What is Robert Fenster's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Robert Fenster enrolled in Medicare?

Yes. Robert Fenster is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Robert Fenster was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.