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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SHELLY FAITH GREENFIELD M.D., MPH
NPI 1932149143
Psychiatry & Neurology - Psychiatry in Belmont, MA

Active since June 07, 2006Opted out of Medicare · through Oct 1, 2026
115 MILL ST, BELMONT, MA 02478(617) 855-2241(617) 855-2699 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Shelly Faith Greenfield M.d., Mph NPPES

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

SHELLY FAITH GREENFIELD M.D., MPH (NPI 1932149143) is an individual psychiatry provider in Belmont, Massachusetts, licensed in Massachusetts (58422) and active in the NPI registry since June 2006. She has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1932149143
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameSHELLY FAITH GREENFIELDCredential: M.D., MPH
Location Address115 MILL STBelmont, MA 02478-1041
Mailing Address115 Mill StBelmont, MA 02478-1041 · (617) 855-2241 · Fax (617) 855-2699
Phone(617) 855-2241
Fax(617) 855-2699
Sole ProprietorNo
Enumeration DateJune 7, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1932149143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 58422
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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Other Identifiers 1

OtherJ13944MA · Bcbs

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Shelly Faith Greenfield M.d., Mph has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2016 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2016
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 Shelly Greenfield's NPI number?

The NPI number for Shelly Greenfield is 1932149143. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Shelly Greenfield located?

Shelly Greenfield practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2241.

What is Shelly Greenfield's specialty?

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

Is Shelly Greenfield enrolled in Medicare?

No. Shelly Greenfield has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Shelly Greenfield was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.