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MARK GREEN MD
NPI 1407075294
Psychiatry & Neurology - Psychiatry in Belmont, MA

Active since April 24, 2007Opted out of Medicare · through Dec 3, 2026
90 CONCORD AVE, BELMONT, MA 02478(857) 598-2808(857) 598-2864 Get Directions Write a Review

NPPES record last updated: July 15, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mark Green Md NPPES

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

MARK GREEN MD (NPI 1407075294) is an individual psychiatry provider in Belmont, Massachusetts, licensed in Massachusetts (222713) and active in the NPI registry since April 2007. He has opted out of Medicare through December 3, 2026 and remains eligible to order and refer and is a graduate of Other (1993).

NPPES Registry Identity

NPI1407075294
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMARK GREENCredential: MD
Location Address90 CONCORD AVEBelmont, MA 02478-4046
Mailing Address90 Concord AveBelmont, MA 02478-4046 · (857) 598-2808 · Fax (857) 598-2864
Phone(857) 598-2808
Fax(857) 598-2864
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateApril 24, 2007
Last NPPES UpdateJuly 15, 2015
✔ NPI 1407075294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 222713
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.
Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X · License 222713 (MA)
Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X · License 222713 (MA)
90 CONCORD AVE, Belmont, MA 02478
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Other Identifiers 3

Medicaid41035810CO
Other021927CO · Kaiser Commercial Number
Medicare PINCOAAA0879CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Mark Green Md 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 December 3, 2018 through December 3, 2026.

Opt-Out Effective DateDecember 3, 2018
Opt-Out In Effect ThroughDecember 3, 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 8

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

DR. VALERIE IRENE PHOTOS PH.D.
Psychologist
90 CONCORD AVE, PSYCHGARDEN, FLOOR 3
BELMONT, MA 02478
Middlesex County (857) 598-2808
DREW WELCH RN
Counselor (Addiction (Substance Use Disorder))
90 CONCORD AVE
BELMONT, MA 02478
Middlesex County (857) 598-2808
ROSENBERG AUDIOLOGY INC.
Specialist/Technologist (Audiology Assistant)
90 CONCORD AVE
BELMONT, MA 02478
Middlesex County (516) 298-8765
MR. GAYLE ROBERT NYE
Audiologist
90 CONCORD AVE
BELMONT, MA 02478
Middlesex County (617) 484-8700
DR. JEAN T ROSOWSKI AUD
Audiologist
90 CONCORD AVE, SUITE 4
BELMONT, MA 02478
Middlesex County (617) 484-8700
AUDIOLOGY SERVICES INC
Audiologist
90 CONCORD AVE, SUITE 4
BELMONT, MA 02478
Middlesex County (617) 484-8700
DIANE LEE GRIMALDI R.N., M.S., C.S.
Counselor (Professional)
90 CONCORD AVE, SUITE #2
BELMONT, MA 02478
Middlesex County (617) 489-7354
MS. DEBORAH A VAN ETTEN MS,APRN,BC,CS
Clinical Nurse Specialist (Psychiatric/Mental Health)
90 CONCORD AVE
BELMONT, MA 02478
Middlesex County (617) 251-6896

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 Mark Green's NPI number?

The NPI number for Mark Green is 1407075294. It was assigned to this individual provider in the NPPES registry on April 24, 2007.

Where is Mark Green located?

Mark Green practices at 90 Concord Ave, Belmont, MA 02478. The listed phone number is (857) 598-2808.

What is Mark Green's specialty?

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

Is Mark Green enrolled in Medicare?

No. Mark Green has opted out of Medicare through December 3, 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 Mark Green was last updated on July 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.