COVID-19PandemicsPatient Safety
Dr. Karen C. Nanji, MD
NPI1902036346PAC ID9830356021
- Medicare patients, 2024
- 43
- Publications
- 33
- Hospital affiliations
- 1
- Industry payments
- $120
- 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
Find Dr. Nanji's professional email, personal email and mobile number
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Dr. Karen C. Nanji is an anesthesiologist in Boston, Massachusetts
Dr. Nanji practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Nanji's NPI, 1902036346, was assigned on July 20, 2009. Dr. Nanji holds Massachusetts license L-239895.
NPI and contact details
- NPI
- 1902036346NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830356021
- NPI enumeration date
- July 20, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen C. Nanji practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Nanji'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. Karen C. Nanji is affiliated with 3 sites of care and 2 medical groups
Dr. Nanji's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Nanji to 2 more group practices and clinics and 1 medical group, each named with a free account.
Massachusetts General Physicians Organization (MGPO)2 group practices and clinicsNames with a free account1 medical groupName with a free account
See all 5 affiliations for Dr. NanjiSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen C. Nanji's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nanji practices, 3 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 |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karen C. Nanji is one of 1,552 anesthesiologists in Massachusetts
Anesthesiology is Dr. Nanji's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Nanji is licensed in Massachusetts.
Specialties and state licenses
- Anesthesiology, MassachusettsPrimary
Anesthesiologists near Dr. Nanji
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
1,552anesthesiologists in Massachusetts660anesthesiologists in Boston156anesthesiologists at Massachusetts General Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Karen C. Nanji treated 43 Medicare patients in 2024, average age 72
CMS counts 43 Medicare patients who saw Dr. Nanji in 2024. The largest group is 65 to 74, with 26 patients. 74% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nanji's median patient age at 74, with 50% women.
Medicare patients, 202443
Average age72
Average risk score1.21
Dr. Nanji's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nanji's Medicare patients by sex, 2024
- Women2047%
- Men2353%
Chronic conditions among Dr. Nanji's Medicare patients, 2024
- High cholesterol74%
- High blood pressure67%
- Arthritis56%
- Anxiety35%
- Cancer30%
- Ischemic heart disease26%
- Mood disorders26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nanji's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Karen C. Nanji takes part in Medicare
Dr. Nanji accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen C. Nanji has 33 publications on record
Dmand AI links 33 papers to Dr. Nanji, published from 2011 to 2025. 2015 was the busiest year, with 2. The most frequent topics are Medication Errors, Decision Support Systems, Clinical and Medical Order Entry Systems. Dr. Nanji has published most often in Anesth Analg. Dr. Nanji's most frequent co-authors are Sofia D. Shaikh, MD, Joseph Bayes, MD and Karim Ladha, MD.
Papers33
Years published2011 to 2025
Dr. Nanji's papers by year, 2014 to 2025
Topics Dr. Nanji writes about most
- Medication Errors
- Decision Support Systems, Clinical
- Medical Order Entry Systems
- Massachusetts
- Patient Safety
- Drug Interactions
- Drug-Related Side Effects and Adverse Reactions
- Electronic Prescribing
Dr. Nanji's most frequent co-authors
Recent publications by Dr. Nanji
Decision Support Systems, ClinicalMedication ErrorsOperating Rooms
AnesthesiaAnesthesiologyConsensus
See who Dr. Nanji researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nanji works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karen C. Nanji received $120 in industry payments in 2021
CMS Open Payments shows 1 general payment to Dr. Nanji from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Endologix, Inc. paid the most, $120.
Companies that paid Dr. Nanji the most, 2021 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Karen C. Nanji'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 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) |
| 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) |
| 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. Karen C. Nanji
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. Karen C. Nanji's NPI number?
Dr. Karen C. Nanji's NPI number is 1902036346. It was assigned on July 20, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen C. Nanji?
Dr. Karen C. Nanji is an anesthesiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Karen C. Nanji practice?
Dr. Nanji practices at 55 Fruit Street, Boston, MA 02114. Dr. Nanji's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Nanji to 2 group practices and clinics and 1 medical group.
What is Dr. Karen C. Nanji's office phone number?
The practice phone on file for Dr. Nanji is (617) 726-2000.
What is Dr. Karen C. Nanji's medical license number?
Dr. Nanji holds Massachusetts license L-239895.
Which hospitals is Dr. Karen C. Nanji affiliated with?
Dr. Nanji practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Karen C. Nanji part of?
Dr. Nanji is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Nanji to 1 more medical group.
Does Dr. Karen C. Nanji accept Medicare?
Yes. CMS lists Dr. Nanji as accepting Medicare assignment.
How many Medicare patients does Dr. Karen C. Nanji see?
CMS counts 43 Medicare patients who saw Dr. Nanji in 2024, with an average age of 72.
Has Dr. Karen C. Nanji received payments from drug or device companies?
CMS Open Payments shows $120 in general payments to Dr. Nanji from 1 company from 2021 to 2021. The largest total came from Endologix, Inc.
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How long has Dr. Karen C. Nanji been practicing?
Dr. Nanji graduated from medical school in 2006, 20 years ago.
Does Dr. Karen C. Nanji do research?
Dmand AI links 33 publications to Dr. Nanji, published from 2011 to 2025.
Who does Dr. Karen C. Nanji publish with?
Dr. Nanji's most frequent co-authors are Sofia D. Shaikh, MD (4 shared papers), Joseph Bayes, MD (2 shared papers) and Karim Ladha, MD (2 shared papers).
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