Kambiz Zandi-Nejad, M.D.
NPI 1164469789 · Nephrology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kambiz Zandi-Nejad, M.D. is a Nephrology Physician provider in Boston, MA (NPI 1164469789).
Provider details
- NPI number
- 1164469789
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 208281 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
14,163 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,140 | $9 |
| Blood Test Panel for Electrolytes (sodium Potassium, Chloride, Carbon Dioxide)80051 | 1,064 | $7 |
| Blood Creatinine Level82565 | 1,053 | $5 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury82570 | 998 | $5 |
| Magnesium Level83735 | 965 | $7 |
| Total Protein Level, Urine84156 | 807 | $4 |
| Urea Nitrogen Level to Assess Kidney Function, Quantitative |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Torsemide | 1,068 | 343 |
| Calcitriol | 214 | 69 |
| Losartan Potassium | 185 | 63 |
| Lisinopril | 155 | 51 |
| Amlodipine Besylate | 151 | 57 |
| Spironolactone | 102 | 36 |
| Allopurinol | 99 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2021-03-08
- Certified
- 2021-03-08
Frequently asked questions
- What is Kambiz Zandi-Nejad's NPI number?
- Kambiz Zandi-Nejad's National Provider Identifier (NPI) is 1164469789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kambiz Zandi-Nejad's specialty?
- Kambiz Zandi-Nejad is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Kambiz Zandi-Nejad located?
- Kambiz Zandi-Nejad's practice location on file with NPPES is 133 Brookline Ave, Boston, MA 02215-3904.
- What is Kambiz Zandi-Nejad's phone number?
- The practice phone number listed in the NPPES registry for Kambiz Zandi-Nejad is (617) 421-1126.
- Does Kambiz Zandi-Nejad accept Medicare?
- Kambiz Zandi-Nejad is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kambiz Zandi-Nejad's NPI active?
- Yes — Kambiz Zandi-Nejad's NPI (1164469789) is active in the NPPES registry as of the last update on 2021-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.