Dr. Hassan O. Khalil, MD
- Medicare services, 2022
- 99
- Part D claims, 2024
- 162
- Hospital affiliations
- 1
- Industry payments
- $4,797
- Medical groups
- 3
- Practice address
- 800 Washington Street, Boston, MA 02111
- Practice phone
- Call (617) 636-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Khalil'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. Hassan O. Khalil is an internist in Boston, Massachusetts
Dr. Khalil practices at Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine.
Dr. Khalil's NPI, 1538678297, was assigned on September 26, 2017. Dr. Khalil holds Massachusetts license 284084.
- NPI
- 1538678297NPI Registry (opens in a new tab)
- NPI enumeration date
- September 26, 2017
- NPI status
- Active
- Practice phone
- (617) 636-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Hassan O. Khalil practices at Tufts Medical Center in Boston, Massachusetts
Dr. Khalil's primary practice is Tufts Medical Center, at 800 Washington Street, Boston, MA 02111 in Suffolk County. The practice phone is (617) 636-5000.
- Tufts Medical Center800 Washington Street, Boston, MA 02111 · Suffolk CountyPhone(617) 636-5000
Source: Dmand AI Affiliation Data
Dr. Hassan O. Khalil is affiliated with 3 sites of care and 3 medical groups
Dr. Khalil's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Khalil to 2 more medical groups, 1 group practice or clinic and 1 imaging center, 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. Hassan O. Khalil's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Khalil practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tufts Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hassan O. Khalil is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Khalil's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Khalil's licenses on file in 2 states: Massachusetts and District of Columbia.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
- District of Columbia license
Internists near Dr. Khalil
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. Hassan O. Khalil billed Medicare for 99 services in 2022
CMS data shows 99 Medicare services from Dr. Khalil across 3 procedure codes in 2022. Medicare paid $15,009 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Khalil's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2042022: 9951%
Dr. Khalil compared with the Massachusetts median for internists, 2022
- Dr. Khalil
- Massachusetts median
- Medicare services
- 99vs 43177% below
- Part D claims
- 108vs 40273% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Khalil's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Khalil and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hassan O. Khalil's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Khalil's median patient age at 63, with 33% women.
Dr. Khalil's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Hassan O. Khalil wrote 162 Medicare Part D claims in 2024
In 2024, Dr. Khalil wrote 162 Medicare Part D claims for 35 patients. 76% of them were for generic drugs. CMS names the drug for 108 of them, across 6 drugs with 11 or more claims each, at $10,261 in total drug cost. In 2023, CMS named 79 claims across 5 drugs.
Dr. Khalil's Part D claims by kind of drug, 2024
- Generic123 claims76%
- Brand-name39 claims24%
Dr. Khalil'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: 792024: 10837%
Drugs named by CMS: 6 in 2024, 5 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
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Dr. Hassan O. Khalil received $4,797 in industry payments from 2018 to 2025
CMS Open Payments shows 100 general payments to Dr. Khalil from 24 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 74% of the total. Medtronic, Inc. paid the most, $1,660.
General payments to Dr. Khalil by program year, 2018 to 2025
General payments to Dr. Khalil by kind, 2018 to 2025
- Food and beverage$3,55574%
- Travel and lodging$1,24226%
Companies that paid Dr. Khalil the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Hassan O. Khalil'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 Data |
| 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) |
| 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. Hassan O. Khalil
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. Hassan O. Khalil's NPI number?
Dr. Hassan O. Khalil's NPI number is 1538678297. It was assigned on September 26, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Hassan O. Khalil?
Dr. Hassan O. Khalil is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hassan O. Khalil practice?
Dr. Khalil practices at 800 Washington Street, Boston, MA 02111. Dr. Khalil's primary practice is Tufts Medical Center in Boston, Massachusetts, part of Tufts Medicine. Dmand AI also links Dr. Khalil to 2 medical groups, 1 group practice or clinic and 1 imaging center.
What is Dr. Hassan O. Khalil's office phone number?
The practice phone on file for Dr. Khalil is (617) 636-5000.
What is Dr. Hassan O. Khalil's medical license number?
Dr. Khalil holds Massachusetts license 284084, one of the licenses on file in 2 states.
Which states has Dr. Hassan O. Khalil been licensed in?
Dmand AI has state licenses on file for Dr. Khalil in Massachusetts and District of Columbia.
Which hospitals is Dr. Hassan O. Khalil affiliated with?
Dr. Khalil practices at Tufts Medical Center in Boston, Massachusetts.
What medical group is Dr. Hassan O. Khalil part of?
Dr. Khalil is linked to Brigham and Women's Hospital. Dmand AI links Dr. Khalil to 2 more medical groups.
Does Dr. Hassan O. Khalil accept Medicare?
Yes. CMS data shows Dr. Khalil billed Medicare for 99 services in 2022.
What services does Dr. Hassan O. Khalil bill to Medicare?
In 2022, Dr. Khalil's most billed Medicare services were hospital inpatient care (99223), critical care (99292) and critical care (99291).
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What drugs does Dr. Hassan O. Khalil prescribe most?
In 2024 Medicare Part D data, Dr. Khalil's most prescribed drugs by claims were Isosorbide Mononitrate ER, Metoprolol Succinate and Spironolactone.
Has Dr. Hassan O. Khalil received payments from drug or device companies?
CMS Open Payments shows $4,797 in general payments to Dr. Khalil from 24 companies from 2018 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. Hassan O. Khalil been practicing?
Dr. Khalil graduated from medical school in 2013, 13 years ago.
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