Transplant Rev (Orlando)
Kidney Failure, ChronicKidney TransplantationPrimary Graft Dysfunction
Dr. Kambiz Zandi-Nejad, MD
NPI1164469789PAC ID4981623147
- Medicare services, 2024
- 14,163
- Medicare patients, 2024
- 468
- Part D claims, 2024
- 2,898
- Publications
- 3
- Clinical trials
- 1
- Practice address
- 111 Grossman Dr, Braintree, MA 02184
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harvard Vanguard Medical Associates
Braintree, Massachusetts
Find Dr. Zandi-Nejad'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. Kambiz Zandi-Nejad is a nephrologist in Braintree, Massachusetts
Dr. Zandi-Nejad practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.
Dr. Zandi-Nejad's NPI, 1164469789, was assigned on June 1, 2006. Dr. Zandi-Nejad holds Massachusetts license 208281.
NPI and contact details
- NPI
- 1164469789NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981623147
- NPI enumeration date
- June 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kambiz Zandi-Nejad practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts
Dr. Zandi-Nejad's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184 in Norfolk County. The practice phone is (617) 421-1000.
- Harvard Vanguard Medical Associates111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Kambiz Zandi-Nejad is affiliated with 7 sites of care and 4 medical groups
Dr. Zandi-Nejad's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dr. Zandi-Nejad 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. Zandi-Nejad to 4 more group practices and clinics, 3 medical groups and 1 dialysis center, each named with a free account.
Harvard Vanguard Medical AssociatesPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kambiz Zandi-Nejad's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zandi-Nejad practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harvard Vanguard Medical Associates | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kambiz Zandi-Nejad is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Zandi-Nejad's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Zandi-Nejad is licensed in Massachusetts.
Specialties and state licenses
- Nephrology, MassachusettsPrimary
Nephrologists near Dr. Zandi-Nejad
Counts of nephrologists 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. Kambiz Zandi-Nejad billed Medicare for 14,163 services in 2024
CMS data shows 14,163 Medicare services from Dr. Zandi-Nejad across 36 procedure codes in 2024, for 468 Medicare patients. Medicare paid $266,470 for them. Every service was in an office.
Medicare services, 202414,163
Medicare patients468
Paid by Medicare$266,470
Procedure codes36
Dr. Zandi-Nejad's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 11,3772024: 12,0466%
- Surgery
- 2023: 1,1232024: 1,1402%
- Office and hospital visits
- 2023: 7292024: 6728%
- Tests and treatments
- 2023: 2732024: 2624%
- Other services
- 2023: 02024: 43
Dr. Zandi-Nejad compared with the Massachusetts median for nephrologists, 2024
- Dr. Zandi-Nejad
- Massachusetts median
- Medicare services
- 14,163vs 70120.2 times
- Medicare patients
- 468vs 28266% above
- Part D claims
- 2,782vs 4715.9 times
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Zandi-Nejad'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. Kambiz Zandi-Nejad treated 468 Medicare patients in 2024, average age 76
CMS counts 468 Medicare patients who saw Dr. Zandi-Nejad in 2024. The largest group is 75 to 84, with 245 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 13% are also on Medicaid. Their average risk score is 2.08, 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. Zandi-Nejad's median patient age at 75, with 52% women.
Medicare patients, 2024468
Average age76
Average risk score2.08
Also on Medicaid13%
Dr. Zandi-Nejad's Medicare patients by age, 2024
Dr. Zandi-Nejad's Medicare patients by sex, 2024
- Women23250%
- Men23650%
Chronic conditions among Dr. Zandi-Nejad's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes50%
- Arthritis38%
- Ischemic heart disease31%
- Mood disorders25%
- Heart failure24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zandi-Nejad's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kambiz Zandi-Nejad wrote 2,898 Medicare Part D claims in 2024
In 2024, Dr. Zandi-Nejad wrote 2,898 Medicare Part D claims for 574 patients. 91% of them were for generic drugs. CMS names the drug for 2,782 of them, across 31 drugs with 11 or more claims each, at $227,427 in total drug cost. In 2023, CMS named 2,536 claims across 27 drugs.
Part D claims, 20242,898
Drugs named by CMS31
Total drug cost$227,427
Part D patients574
Dr. Zandi-Nejad's Part D claims by kind of drug, 2024
- Generic2,634 claims91%
- Brand-name264 claims9%
Dr. Zandi-Nejad'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: 2,5362024: 2,78210%
Drugs named by CMS: 31 in 2024, 27 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. Kambiz Zandi-Nejad offers telehealth to Medicare patients
Dr. Zandi-Nejad accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zandi-Nejad as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kambiz Zandi-Nejad has 3 publications on record
Dmand AI links 3 papers to Dr. Zandi-Nejad, published from 2011 to 2017. Dr. Zandi-Nejad's most frequent co-authors are David Alan Frank, MD, Benjamin Duane Humphreys, MD and Martha Pavlakis, MD.
Papers3
Years published2011 to 2017
Dr. Zandi-Nejad's papers by year, 2011 to 2017
Dr. Zandi-Nejad's most frequent co-authors
- David Alan Frank, MD1 shared paper
- Benjamin Duane Humphreys, MD1 shared paper
- Martha Pavlakis, MD1 shared paper
Recent publications by Dr. Zandi-Nejad
Am J Physiol Cell Physiol
DNA, ComplementaryImmediate-Early ProteinsInsulin
Hum Mol Genet
Aminosalicylic AcidsAnimals, NewbornBenzenesulfonates
See who Dr. Zandi-Nejad researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zandi-Nejad works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Kambiz Zandi-Nejad has worked on 1 clinical trial
Dmand AI links Dr. Zandi-Nejad to 1 clinical trial. Conditions studied include Hyperphosphatemia and Phosphorus Metabolism Disorders.
Conditions in Dr. Zandi-Nejad's trials
- Hyperphosphatemia
- Phosphorus Metabolism Disorders
Recent clinical trials with Dr. Zandi-Nejad
HyperphosphatemiaPhosphorus Metabolism DisordersSevelamer Carbonate (Renvela)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Kambiz Zandi-Nejad received $4,570 in industry payments from 2016 to 2025
CMS Open Payments shows 9 general payments to Dr. Zandi-Nejad from 3 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 49% of the total. Calliditas Therapeutics US Inc. paid the most, $4,500.
General payments to Dr. Zandi-Nejad by program year, 2016 to 2025
General payments to Dr. Zandi-Nejad by kind, 2016 to 2025
$4.6Kin total
- Consulting fees$2,25049%
- Honoraria$2,25049%
- Education$702%
Companies that paid Dr. Zandi-Nejad 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. Kambiz Zandi-Nejad'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Kambiz Zandi-Nejad
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. Kambiz Zandi-Nejad's NPI number?
Dr. Kambiz Zandi-Nejad's NPI number is 1164469789. It was assigned on June 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kambiz Zandi-Nejad?
Dr. Kambiz Zandi-Nejad is a nephrologist in Braintree, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Kambiz Zandi-Nejad practice?
Dr. Zandi-Nejad practices at 111 Grossman Dr, Braintree, MA 02184. Dr. Zandi-Nejad's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Dr. Zandi-Nejad to 4 group practices and clinics, 3 medical groups and 1 dialysis center.
What is Dr. Kambiz Zandi-Nejad's office phone number?
The practice phone on file for Dr. Zandi-Nejad is (617) 421-1000.
What is Dr. Kambiz Zandi-Nejad's medical license number?
Dr. Zandi-Nejad holds Massachusetts license 208281.
Which hospitals is Dr. Kambiz Zandi-Nejad affiliated with?
Dr. Zandi-Nejad is affiliated with Brigham and Women's Faulkner Hospital.
What medical group is Dr. Kambiz Zandi-Nejad part of?
Dr. Zandi-Nejad is linked to Brigham and Women's Hospital. Dmand AI links Dr. Zandi-Nejad to 3 more medical groups.
Does Dr. Kambiz Zandi-Nejad accept Medicare?
Yes. CMS data shows Dr. Zandi-Nejad billed Medicare for 14,163 services in 2024, and Dr. Zandi-Nejad accepts Medicare assignment.
Does Dr. Kambiz Zandi-Nejad offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zandi-Nejad as offering telehealth services.
How many Medicare patients does Dr. Kambiz Zandi-Nejad see?
CMS counts 468 Medicare patients who saw Dr. Zandi-Nejad in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Kambiz Zandi-Nejad bill to Medicare?
In 2024, Dr. Zandi-Nejad's most billed Medicare services were surgery: heart and blood vessels (36415), lab and pathology test (80051) and lab and pathology test (82565).
What drugs does Dr. Kambiz Zandi-Nejad prescribe most?
In 2024 Medicare Part D data, Dr. Zandi-Nejad's most prescribed drugs by claims were Torsemide, Calcitriol and Losartan Potassium.
Has Dr. Kambiz Zandi-Nejad received payments from drug or device companies?
CMS Open Payments shows $4,570 in general payments to Dr. Zandi-Nejad from 3 companies from 2016 to 2025. The largest total came from Calliditas Therapeutics US Inc.
How long has Dr. Kambiz Zandi-Nejad been practicing?
Dr. Zandi-Nejad graduated from medical school in 1990, 36 years ago.
Does Dr. Kambiz Zandi-Nejad do research?
Dmand AI links 3 publications to Dr. Zandi-Nejad, published from 2011 to 2017. Dr. Zandi-Nejad has worked on 1 clinical trial.
Who does Dr. Kambiz Zandi-Nejad publish with?
Dr. Zandi-Nejad's most frequent co-authors are David Alan Frank, MD (1 shared paper), Benjamin Duane Humphreys, MD (1 shared paper) and Martha Pavlakis, MD (1 shared paper).
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