Dr. Ishani Ganguli, MD
- Medicare services, 2024
- 48
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 733
- Hospital affiliations
- 2
- Industry payments
- $132
- Practice address
- 75 Francis Street, Boston, MA 02115
- Practice phone
- Call (617) 732-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ganguli's professional email, personal email and mobile number
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Dr. Ishani Ganguli is an internist in Boston, Massachusetts
Dr. Ganguli practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Ganguli's NPI, 1750676433, was assigned on June 10, 2011. Dr. Ganguli graduated from Harvard Medical School in 2011. Dr. Ganguli holds Massachusetts license 257244.
- NPI
- 1750676433NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527220763
- NPI enumeration date
- June 10, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 732-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ishani Ganguli practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Ganguli's primary practice is Brigham and Women's Hospital, at 75 Francis Street, Boston, MA 02115 in Suffolk County. The practice phone is (617) 732-5500.
- Brigham and Women's Hospital75 Francis Street, Boston, MA 02115 · Suffolk CountyPhone(617) 732-5500
Source: Dmand AI Affiliation Data
Dr. Ishani Ganguli is affiliated with 3 sites of care and 1 medical group
Dr. Ganguli's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Ganguli is also affiliated with Brigham and Women's Faulkner Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Ganguli to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ishani Ganguli's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ganguli practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brigham and Women's Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ishani Ganguli is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Ganguli's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ganguli is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Ganguli
Counts of internists 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. Ishani Ganguli billed Medicare for 48 services in 2024
CMS data shows 48 Medicare services from Dr. Ganguli across 2 procedure codes in 2024, all of them office visits, for 49 Medicare patients. Medicare paid $3,587 for them. Every service was in an office.
Dr. Ganguli's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 662024: 4827%
Dr. Ganguli compared with the Massachusetts median for internists, 2024
- Dr. Ganguli
- Massachusetts median
- Medicare services
- 48vs 43189% below
- Medicare patients
- 49vs 19475% below
- Part D claims
- 428vs 4026% above
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Ganguli'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. Ishani Ganguli treated 49 Medicare patients in 2024, average age 72
CMS counts 49 Medicare patients who saw Dr. Ganguli in 2024. The largest group is 65 to 74, with 20 patients. 71% of them have high blood pressure, and 63% have high cholesterol. 35% are also on Medicaid. Their average risk score is 1.75, 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. Ganguli's median patient age at 59, with 77% women.
Dr. Ganguli's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ganguli's Medicare patients by sex, 2024
- Women3367%
- Men1633%
Chronic conditions among Dr. Ganguli's Medicare patients, 2024
- High blood pressure71%
- High cholesterol63%
- Mood disorders57%
- Arthritis49%
- Depression49%
- Anxiety45%
- Cancer33%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ganguli's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ishani Ganguli wrote 733 Medicare Part D claims in 2024
In 2024, Dr. Ganguli wrote 733 Medicare Part D claims for 105 patients. 88% of them were for generic drugs. CMS names the drug for 428 of them, across 18 drugs with 11 or more claims each, at $38,532 in total drug cost. In 2023, CMS named 391 claims across 17 drugs.
Dr. Ganguli's Part D claims by kind of drug, 2024
- Generic643 claims88%
- Brand-name90 claims12%
Dr. Ganguli'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: 3912024: 4289%
Drugs named by CMS: 18 in 2024, 17 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. Ishani Ganguli offers telehealth to Medicare patients
Dr. Ganguli accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ganguli as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ishani Ganguli received $132 in industry payments from 2019 to 2025
CMS Open Payments shows 2 general payments to Dr. Ganguli from 2 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $67.
General payments to Dr. Ganguli by program year, 2019 to 2025
Companies that paid Dr. Ganguli the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ishani Ganguli graduated from Harvard Medical School
Dr. Ganguli graduated from Harvard Medical School in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ishani Ganguli'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) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Ishani Ganguli
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. Ishani Ganguli's NPI number?
Dr. Ishani Ganguli's NPI number is 1750676433. It was assigned on June 10, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Ishani Ganguli?
Dr. Ishani Ganguli is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ishani Ganguli practice?
Dr. Ganguli practices at 75 Francis Street, Boston, MA 02115. Dr. Ganguli's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Ganguli to 1 hospital outpatient department.
What is Dr. Ishani Ganguli's office phone number?
The practice phone on file for Dr. Ganguli is (617) 732-5500.
What is Dr. Ishani Ganguli's medical license number?
Dr. Ganguli holds Massachusetts license 257244.
Which hospitals is Dr. Ishani Ganguli affiliated with?
Dr. Ganguli practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Ganguli is also affiliated with Brigham and Women's Faulkner Hospital.
What medical group is Dr. Ishani Ganguli part of?
Dr. Ganguli is linked to Brigham and Women's Hospital.
Does Dr. Ishani Ganguli accept Medicare?
Yes. CMS data shows Dr. Ganguli billed Medicare for 48 services in 2024, and Dr. Ganguli accepts Medicare assignment.
Does Dr. Ishani Ganguli offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Ganguli as offering telehealth services.
How many Medicare patients does Dr. Ishani Ganguli see?
CMS counts 49 Medicare patients who saw Dr. Ganguli in 2024, with an average age of 72.
Show 5 more questionsShow fewer questions
What services does Dr. Ishani Ganguli bill to Medicare?
In 2024, Dr. Ganguli's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Ishani Ganguli go to medical school?
Dr. Ganguli graduated from Harvard Medical School in 2011.
What drugs does Dr. Ishani Ganguli prescribe most?
In 2024 Medicare Part D data, Dr. Ganguli's most prescribed drugs by claims were Lisinopril, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Ishani Ganguli received payments from drug or device companies?
CMS Open Payments shows $132 in general payments to Dr. Ganguli from 2 companies from 2019 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Ishani Ganguli been practicing?
Dr. Ganguli graduated from medical school in 2011, 15 years ago.
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