Dr. Arminder Singh Jassar, MD
- Medicare services, 2024
- 327
- Medicare patients, 2024
- 276
- Hospital affiliations
- 5
- Industry payments
- $48,669
- Medical groups
- 2
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Arminder Singh Jassar is a general surgeon in Boston, Massachusetts
Dr. Jassar practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Jassar's NPI, 1821145855, was assigned on January 4, 2007. Dr. Jassar holds Pennsylvania license MT185545.
- NPI
- 1821145855NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547549404
- NPI enumeration date
- January 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Arminder Singh Jassar practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Jassar's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Arminder Singh Jassar is affiliated with 7 sites of care and 2 medical groups
Dr. Jassar's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Jassar is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Jassar to 3 more hospitals, 1 community health center, 1 home health agency and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Arminder Singh Jassar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jassar practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Arminder Singh Jassar is one of 732 general surgeons in Massachusetts
Surgery is Dr. Jassar's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Jassar is licensed in Pennsylvania.
Specialties and state licenses
- Surgery, PennsylvaniaPrimary
General surgeons near Dr. Jassar
Counts of general surgeons 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. Arminder Singh Jassar billed Medicare for 327 services in 2024
CMS data shows 327 Medicare services from Dr. Jassar across 8 procedure codes in 2024, for 276 Medicare patients. Medicare paid $165,139 for them.
Dr. Jassar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1932024: 1807%
- Surgery
- 2023: 1822024: 14719%
Where Dr. Jassar's Medicare services took place, 2024
- In an office16250%
- In a facility16550%
Dr. Jassar compared with the Massachusetts median for general surgeons, 2024
- Dr. Jassar
- Massachusetts median
- Medicare services
- 327vs 20064% above
- Medicare patients
- 276vs 15282% above
Medians across 688 general surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Jassar'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Arminder Singh Jassar treated 276 Medicare patients in 2024, average age 77
CMS counts 276 Medicare patients who saw Dr. Jassar in 2024. The largest group is 75 to 84, with 132 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Jassar's median patient age at 72, with 32% women.
Dr. Jassar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Jassar's Medicare patients by sex, 2024
- Women10137%
- Men17563%
Chronic conditions among Dr. Jassar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Heart failure67%
- Atrial fibrillation51%
- Arthritis46%
- Chronic kidney disease40%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Jassar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women32%
- Men68%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Arminder Singh Jassar offers telehealth to Medicare patients
Dr. Jassar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Jassar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Coronary artery bypass graft (CABG): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Arminder Singh Jassar received $48,669 in industry payments from 2016 to 2025
CMS Open Payments shows 140 general payments to Dr. Jassar from 12 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 54% of the total. Artivion, Inc. paid the most, $21,828.
General payments to Dr. Jassar by program year, 2016 to 2025
General payments to Dr. Jassar by kind, 2016 to 2025
- Consulting fees$26,07554%
- Travel and lodging$11,28723%
- Food and beverage$5,79812%
- Grants$2,6705%
- Other$2,8396%
Companies that paid Dr. Jassar the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Arminder Singh Jassar'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Arminder Singh Jassar
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. Arminder Singh Jassar's NPI number?
Dr. Arminder Singh Jassar's NPI number is 1821145855. It was assigned on January 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Arminder Singh Jassar?
Dr. Arminder Singh Jassar is a general surgeon in Boston, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Arminder Singh Jassar practice?
Dr. Jassar practices at 55 Fruit Street, Boston, MA 02114. Dr. Jassar's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Jassar to 3 hospitals, 1 community health center, 1 home health agency and 1 medical group.
What is Dr. Arminder Singh Jassar's office phone number?
The practice phone on file for Dr. Jassar is (617) 726-2000.
What is Dr. Arminder Singh Jassar's medical license number?
Dr. Jassar holds Pennsylvania license MT185545.
Which hospitals is Dr. Arminder Singh Jassar affiliated with?
Dr. Jassar practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Jassar is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Jassar to 3 more hospitals.
What medical group is Dr. Arminder Singh Jassar part of?
Dr. Jassar is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Jassar to 1 more medical group.
Does Dr. Arminder Singh Jassar accept Medicare?
Yes. CMS data shows Dr. Jassar billed Medicare for 327 services in 2024, and Dr. Jassar accepts Medicare assignment.
Does Dr. Arminder Singh Jassar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Jassar as offering telehealth services.
How many Medicare patients does Dr. Arminder Singh Jassar see?
CMS counts 276 Medicare patients who saw Dr. Jassar in 2024, with an average age of 77.
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What services does Dr. Arminder Singh Jassar bill to Medicare?
In 2024, Dr. Jassar's most billed Medicare services were office visit, new patient (99204), surgery: heart and blood vessels (33361) and surgery: heart and blood vessels (33859).
Has Dr. Arminder Singh Jassar received payments from drug or device companies?
CMS Open Payments shows $48,669 in general payments to Dr. Jassar from 12 companies from 2016 to 2025. The largest total came from Artivion, Inc.
How long has Dr. Arminder Singh Jassar been practicing?
Dr. Jassar graduated from medical school in 2002, 24 years ago.
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