Int J Law Psychiatry
Adaptation, PsychologicalHospitals, PsychiatricMental Disorders
Dr. Stuart Edwin Grassian, MD
NPI1790774867PAC ID4284810235
- Medicare services, 2024
- 321
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 183
- Publications
- 1
- Industry payments
- $1,359
- Practice address
- 330 Brookline Ave, Boston, MA 02215
- Practice phone
- Call (617) 244-3315
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Grassian's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Stuart Edwin Grassian is a psychiatrist in Boston, Massachusetts
Dr. Grassian practices in Boston, Massachusetts.
Dr. Grassian's NPI, 1790774867, was assigned on October 20, 2005. Dr. Grassian graduated from New York University School of Medicine in 1973. Dr. Grassian holds Massachusetts license 37749.
NPI and contact details
- NPI
- 1790774867NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284810235
- NPI enumeration date
- October 20, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 244-3315
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 79
- Medical school graduation
- 1973
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stuart Edwin Grassian's practice address is in Boston, Massachusetts
Dr. Grassian's practice address in the NPI Registry is 330 Brookline Ave, Boston, MA 02215, in Suffolk County. The practice phone is (617) 244-3315.
- NPI Registry address330 Brookline Ave, Boston, MA 02215 · Suffolk CountyPhone(617) 244-3315
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Stuart Edwin Grassian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grassian practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Grassian's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Stuart Edwin Grassian is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Grassian's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Grassian is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Grassian's licenses on file in 2 states: Massachusetts and Florida.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
- Florida license
Clinical focus
Dmand AI lists anxiety and depression among the conditions Dr. Grassian treats.
Psychiatrists near Dr. Grassian
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stuart Edwin Grassian billed Medicare for 321 services in 2024
CMS data shows 321 Medicare services from Dr. Grassian across 2 procedure codes in 2024, for 12 Medicare patients. Medicare paid $19,865 for them. Every service was in an office.
Medicare services, 2024321
Medicare patients12
Paid by Medicare$19,865
Procedure codes2
Dr. Grassian's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 1252024: 16129%
- Tests and treatments
- 2022: 1252024: 16028%
Dr. Grassian compared with the Massachusetts median for psychiatrists, 2024
- Dr. Grassian
- Massachusetts median
- Medicare services
- 321vs 17287% above
- Medicare patients
- 12vs 4271% below
- Part D claims
- 76vs 9217% below
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Grassian's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grassian?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grassian and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stuart Edwin Grassian treated 12 Medicare patients in 2024, average age 76
CMS counts 12 Medicare patients who saw Dr. Grassian in 2024. The largest group is under 65, with 0 patients. 75% of them have mood disorders. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grassian's median patient age at 66, with 54% women.
Medicare patients, 202412
Average age76
Average risk score1.03
Dr. Grassian's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Grassian's Medicare patients, 2024
- Mood disorders75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grassian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stuart Edwin Grassian wrote 183 Medicare Part D claims in 2024
In 2024, Dr. Grassian wrote 183 Medicare Part D claims for 16 patients. 97% of them were for generic drugs. CMS names the drug for 76 of them, across 3 drugs with 11 or more claims each, at $1,287 in total drug cost. In 2023, CMS named 97 claims across 4 drugs.
Part D claims, 2024183
Drugs named by CMS3
Total drug cost$1,287
Part D patients16
Dr. Grassian's Part D claims by kind of drug, 2024
- Generic177 claims97%
- Brand-name and other6 claims3%
Dr. Grassian's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 972024: 7622%
Drugs named by CMS: 3 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Stuart Edwin Grassian offers telehealth to Medicare patients
Dr. Grassian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Grassian as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Stuart Edwin Grassian has 1 publication on record
Dmand AI links 1 paper to Dr. Grassian.
Papers1
Recent publications by Dr. Grassian
See who Dr. Grassian researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grassian works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stuart Edwin Grassian received $1,359 in industry payments from 2016 to 2023
CMS Open Payments shows 26 general payments to Dr. Grassian from 4 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $756.
General payments to Dr. Grassian by program year, 2016 to 2023
Companies that paid Dr. Grassian the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stuart Edwin Grassian graduated from New York University School of Medicine
Dr. Grassian graduated from New York University School of Medicine in 1973.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Stuart Edwin Grassian accepts plans from 8 insurance carriers
Dr. Grassian is in network with 8 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- CMS Medicare
- EMI Health
- Harvard Pilgrim Health Care
- RI State Medicaid
Plan types Dr. Grassian accepts, by number of carriers
- HMO5
- PPO5
- Medicare4
- POS4
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stuart Edwin Grassian's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Stuart Edwin Grassian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Stuart Edwin Grassian's NPI number?
Dr. Stuart Edwin Grassian's NPI number is 1790774867. It was assigned on October 20, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Stuart Edwin Grassian?
Dr. Stuart Edwin Grassian is a psychiatrist in Boston, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Stuart Edwin Grassian practice?
Dr. Grassian practices at 330 Brookline Ave, Boston, MA 02215.
What is Dr. Stuart Edwin Grassian's office phone number?
The practice phone on file for Dr. Grassian is (617) 244-3315.
What is Dr. Stuart Edwin Grassian's medical license number?
Dr. Grassian holds Massachusetts license 37749, one of the licenses on file in 2 states.
Which states has Dr. Stuart Edwin Grassian been licensed in?
Dmand AI has state licenses on file for Dr. Grassian in Massachusetts (1975 to 2027) and Florida (2015 to 2017).
Does Dr. Stuart Edwin Grassian accept Medicare?
Yes. CMS data shows Dr. Grassian billed Medicare for 321 services in 2024, and Dr. Grassian accepts Medicare assignment.
Does Dr. Stuart Edwin Grassian offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Grassian as offering telehealth services.
How many Medicare patients does Dr. Stuart Edwin Grassian see?
CMS counts 12 Medicare patients who saw Dr. Grassian in 2024, with an average age of 76.
Is Dr. Stuart Edwin Grassian board certified?
Yes. Dr. Grassian is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Show 7 more questionsShow fewer questions
What services does Dr. Stuart Edwin Grassian bill to Medicare?
In 2024, Dr. Grassian's most billed Medicare services were office visit, established patient (99212) and psychiatric service (90836).
Where did Dr. Stuart Edwin Grassian go to medical school?
Dr. Grassian graduated from New York University School of Medicine in 1973.
What drugs does Dr. Stuart Edwin Grassian prescribe most?
In 2024 Medicare Part D data, Dr. Grassian's most prescribed drugs by claims were Lorazepam, Bupropion HCl SR and Armodafinil.
Has Dr. Stuart Edwin Grassian received payments from drug or device companies?
CMS Open Payments shows $1,359 in general payments to Dr. Grassian from 4 companies from 2016 to 2023. The largest total came from Allergan Inc.
How long has Dr. Stuart Edwin Grassian been practicing?
Dr. Grassian graduated from medical school in 1973, 53 years ago.
Does Dr. Stuart Edwin Grassian do research?
Dmand AI links 1 publication to Dr. Grassian.
What insurance does Dr. Stuart Edwin Grassian accept?
Dr. Grassian is in network with 8 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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