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DR. STUART EDWIN GRASSIAN M.D.
NPI 1790774867
Psychiatry & Neurology - Psychiatry in Chestnut Hill, MA

Active since October 20, 2005PECOS EnrolledAccepts Medicare Assignment
401 BEACON ST, CHESTNUT HILL, MA 02467(617) 244-3315(617) 244-2792 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Stuart Edwin Grassian M.d. NPPES

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

DR. STUART EDWIN GRASSIAN M.D. (NPI 1790774867) is an individual psychiatry provider in Chestnut Hill, Massachusetts, licensed in Massachusetts (37749) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of New York University School Of Medicine (1973).

NPPES Registry Identity

NPI1790774867
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. STUART EDWIN GRASSIANCredential: M.D.
Location Address401 BEACON STChestnut Hill, MA 02467-1102
Mailing Address401 Beacon StChestnut Hill, MA 02467-1102 · (617) 244-3315 · Fax (617) 244-2792
Phone(617) 244-3315
Fax(617) 244-2792
Sole ProprietorYes
Medical School CMSNew York University School Of MedicineGraduated 1973
Enumeration DateOctober 20, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1790774867 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 · 37749
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.
401 BEACON ST, Chestnut Hill, MA 02467
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stuart Edwin Grassian M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284810235
PECOS Enrollment IDI20110509000891
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
161 services11 patients
Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
160 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02467 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.

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 Stuart Grassian's NPI number?

The NPI number for Stuart Grassian is 1790774867. It was assigned to this individual provider in the NPPES registry on October 20, 2005.

Where is Stuart Grassian located?

Stuart Grassian practices at 401 Beacon St, Chestnut Hill, MA 02467. The listed phone number is (617) 244-3315.

What is Stuart Grassian's specialty?

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

Is Stuart Grassian enrolled in Medicare?

Yes. Stuart Grassian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Stuart Grassian accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Stuart Grassian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Stuart Grassian was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.