NPPES file of Aug 9, 2026

Kambiz Zandi-Nejad, M.D.

Nephrology Physician · Boston, MA

Kambiz Zandi-Nejad, M.D. is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1164469789, issued on Jun 1, 2006. Check the license (Massachusetts 208281, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164469789
Name
Kambiz Zandi-Nejad
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
208281 MA
Self-reported in NPPES; status is on the state search
Practice location
133 Brookline Ave, Boston, MA 02215
Phone
(617) 421-1126
Enumerated
Jun 1, 2006
Record last updated
Mar 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(617) 421-1066
Medicaid ID
2111497 MA
Medicare enrollment
Enrolled (PECOS I20051116000765); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →

Also registered at 133 Brookline Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shari Abramowitz, M.D.Pediatrics Physician1558346593
  2. Maansi AgheraAudiologist1225887292
  3. Nathalie Alexis, PSY.D.Clinical Psychologist1245886993
  4. Marina Alfisher, MDDiagnostic Radiology Physician1417925207
  5. Andrew Allmendinger, DODiagnostic Radiology Physician1972820942
  6. Dana An, LCSWClinical Social Worker1215108238

Verify Kambiz Zandi-Nejad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 208281    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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98% more Medicare Part D claims than the average nephrology physician in 2024

2,898 Medicare Part D claims for 574 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Kambiz Zandi-Nejad2,898
  2. Specialty average1,465

Most prescribed

  1. Torsemide1,068 claims
  2. Calcitriol214 claims
  3. Losartan Potassium185 claims
  4. Lisinopril155 claims
  5. Amlodipine Besylate151 claims
  6. Spironolactone102 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $45.92

3 payments; by number, the most common kind was education; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Kambiz Zandi-Nejad$45.92
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Atrius Health IncDedham, MA
  2. Brigham And Womens Physicians Organization IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kambiz Zandi-Nejad among 417 nephrology physician records in Massachusetts

Kambiz Zandi-Nejad, M.D. is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.

  • NPI issued2006 · 16% of these records are older, 52% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated1990 · median 2001 among the 295 with a school on file
  • Record last updated2021 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Massachusetts

There are 417 nephrology physician records in Massachusetts.

All 417 in Massachusetts → Every provider in Boston → Nephrology Physician nationwide →

The 8 nephrology physician records with the nearest ZIP codes

  1. Robert Cohen, M.D.Boston, MA 022151023042835
  2. John Danziger, M.D.Boston, MA 022151730161142
  3. Bradley Denker, MDBoston, MA 022151669438727
  4. Christiane Ferran, M.D.Boston, MA 022151508803297
  5. David Friedman, M.D.Boston, MA 022151194763482
  6. Melanie Hoenig, M.D.Boston, MA 022151831123694
  7. Stewart Lecker, M.D.Boston, MA 022151184661134
  8. Martha Pavlakis, MDBoston, MA 022151033107503

Common questions

What is Kambiz Zandi-Nejad, M.D.'s NPI number?

Kambiz Zandi-Nejad, M.D.'s National Provider Identifier (NPI) is 1164469789, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kambiz Zandi-Nejad, M.D. located?

The NPPES record lists a practice address at 133 Brookline Ave, Boston, MA, 02215. Phone: (617) 421-1126. Providers update this record themselves, so call before visiting.

How can I verify Kambiz Zandi-Nejad, M.D.'s license?

NPPES lists Massachusetts license number 208281, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kambiz Zandi-Nejad, M.D. prescribe under Medicare Part D?

In 2024, Kambiz Zandi-Nejad, M.D. had 2,898 Medicare Part D claims for 574 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.