Dr. Jack Clement Naggar, MD
- Medicare services, 2024
- 1,673
- Medicare patients, 2024
- 386
- Part D claims, 2024
- 5,524
- Hospital affiliations
- 6
- Industry payments
- $104
- 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. Naggar's professional email, personal email and mobile number
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Dr. Jack Clement Naggar is an internist in Boston, Massachusetts
Dr. Naggar practices at Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Naggar's NPI, 1184915803, was assigned on April 28, 2011. Dr. Naggar graduated from Boston University School of Medicine in 2011. Dr. Naggar holds Massachusetts license 262268.
- NPI
- 1184915803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709191703
- NPI enumeration date
- April 28, 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
- Male
- 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. Jack Clement Naggar practices at Brigham and Women's Hospital in Boston, Massachusetts
Dr. Naggar'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. Jack Clement Naggar is affiliated with 9 sites of care and 2 medical groups
Dr. Naggar's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Naggar is also affiliated with Massachusetts General Hospital. The medical group on file is Brigham and Women's Hospital. Dmand AI also links Dr. Naggar to 4 more hospitals, 1 group practice or clinic, 1 home health agency, 1 hospital outpatient department 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. Jack Clement Naggar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Naggar practices, 9 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 |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Jack Clement Naggar is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Naggar's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Naggar's licenses on file in 2 states: Massachusetts and New York.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
- New York license
Internists near Dr. Naggar
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. Jack Clement Naggar billed Medicare for 1,673 services in 2024
CMS data shows 1,673 Medicare services from Dr. Naggar across 15 procedure codes in 2024, for 386 Medicare patients. Medicare paid $131,240 for them. Every service was in an office.
Dr. Naggar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6652024: 82624%
- Other services
- 2023: 1942024: 717270%
- Tests and treatments
- 2023: 852024: 13053%
Dr. Naggar compared with the Massachusetts median for internists, 2024
- Dr. Naggar
- Massachusetts median
- Medicare services
- 1,673vs 4313.9 times
- Medicare patients
- 386vs 19499% above
- Part D claims
- 4,818vs 40212.0 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Naggar'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. Jack Clement Naggar treated 386 Medicare patients in 2024, average age 75
CMS counts 386 Medicare patients who saw Dr. Naggar in 2024. The largest group is 65 to 74, with 160 patients. 73% of them have high cholesterol, and 72% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Naggar's median patient age at 70, with 38% women.
Dr. Naggar's Medicare patients by age, 2024
Dr. Naggar's Medicare patients by sex, 2024
- Women14738%
- Men23962%
Chronic conditions among Dr. Naggar's Medicare patients, 2024
- High cholesterol73%
- High blood pressure72%
- Arthritis48%
- Anxiety25%
- Ischemic heart disease24%
- Mood disorders24%
- Diabetes23%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Naggar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jack Clement Naggar wrote 5,524 Medicare Part D claims in 2024
In 2024, Dr. Naggar wrote 5,524 Medicare Part D claims for 559 patients. 89% of them were for generic drugs. CMS names the drug for 4,818 of them, across 94 drugs with 11 or more claims each, at $532,023 in total drug cost. In 2023, CMS named 2,980 claims across 76 drugs.
Dr. Naggar's Part D claims by kind of drug, 2024
- Generic4,924 claims89%
- Brand-name571 claims10%
- Other29 claims1%
Dr. Naggar'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.
Drug classes CMS tracks in Dr. Naggar's Part D claims, 2024
- Opioids2%106 of 5,524 claims
- Antibiotics2%121 of 5,524 claims
- Antipsychotics, patients 65 and over0%24 of 5,524 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,9802024: 4,81862%
Drugs named by CMS: 94 in 2024, 76 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. Jack Clement Naggar offers telehealth to Medicare patients
Dr. Naggar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Naggar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jack Clement Naggar received $104 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Naggar from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $104. It also lists 1 research payment totaling $150 in 2020.
Companies that paid Dr. Naggar the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jack Clement Naggar graduated from Boston University School of Medicine
Dr. Naggar graduated from Boston University School of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jack Clement Naggar'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. Jack Clement Naggar
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. Jack Clement Naggar's NPI number?
Dr. Jack Clement Naggar's NPI number is 1184915803. It was assigned on April 28, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Jack Clement Naggar?
Dr. Jack Clement Naggar is an internist in Boston, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jack Clement Naggar practice?
Dr. Naggar practices at 75 Francis Street, Boston, MA 02115. Dr. Naggar's primary practice is Brigham and Women's Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Naggar to 4 hospitals, 1 group practice or clinic, 1 home health agency, 1 hospital outpatient department and 1 medical group.
What is Dr. Jack Clement Naggar's office phone number?
The practice phone on file for Dr. Naggar is (617) 732-5500.
What is Dr. Jack Clement Naggar's medical license number?
Dr. Naggar holds Massachusetts license 262268, one of the licenses on file in 2 states.
Which states has Dr. Jack Clement Naggar been licensed in?
Dmand AI has state licenses on file for Dr. Naggar in Massachusetts and New York.
Which hospitals is Dr. Jack Clement Naggar affiliated with?
Dr. Naggar practices at Brigham and Women's Hospital in Boston, Massachusetts. Dr. Naggar is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Naggar to 4 more hospitals.
What medical group is Dr. Jack Clement Naggar part of?
Dr. Naggar is linked to Brigham and Women's Hospital. Dmand AI links Dr. Naggar to 1 more medical group.
Does Dr. Jack Clement Naggar accept Medicare?
Yes. CMS data shows Dr. Naggar billed Medicare for 1,673 services in 2024, and Dr. Naggar accepts Medicare assignment.
Does Dr. Jack Clement Naggar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Naggar as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Jack Clement Naggar see?
CMS counts 386 Medicare patients who saw Dr. Naggar in 2024, with an average age of 75.
What services does Dr. Jack Clement Naggar bill to Medicare?
In 2024, Dr. Naggar's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Jack Clement Naggar go to medical school?
Dr. Naggar graduated from Boston University School of Medicine in 2011.
What drugs does Dr. Jack Clement Naggar prescribe most?
In 2024 Medicare Part D data, Dr. Naggar's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. Jack Clement Naggar received payments from drug or device companies?
CMS Open Payments shows $104 in general payments to Dr. Naggar from 1 company from 2016 to 2016. The largest total came from Gilead Sciences, Inc.
How long has Dr. Jack Clement Naggar been practicing?
Dr. Naggar graduated from medical school in 2011, 15 years ago.
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