Dr. Rajiv Ranjan, MD

  • Buffalo, NY
  • Nephrologist
NPI1679594485
Publications
1
Clinical trials
1
Industry payments
$239
State license
1
Year NPI issued
2006
Practice address
3495 Bailey Ave, Buffalo, NY 14215
Practice phone
Call (202) 382-2579
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Buffalo VAMC

Buffalo, New York

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Dr. Rajiv Ranjan is a nephrologist in Buffalo, New York

Dr. Ranjan practices at Buffalo VAMC in Buffalo, New York.

Dr. Ranjan's NPI, 1679594485, was assigned on July 21, 2006. Dr. Ranjan graduated from Darbhanga Medical College in 1989. Dr. Ranjan holds New York license 220102-1.

NPI and contact details
NPI enumeration date
July 21, 2006
NPI status
Active
Practice phone
(202) 382-2579
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Rajiv Ranjan practices at Buffalo VAMC in Buffalo, New York

Dr. Ranjan's primary practice is Buffalo VAMC, at 3495 Bailey Ave, Buffalo, NY 14215 in Erie County. The practice phone is (202) 382-2579.

  • Buffalo VAMC
    3495 Bailey Ave, Buffalo, NY 14215 · Erie CountyPhone(202) 382-2579

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Rajiv Ranjan is affiliated with 1 site of care

Dr. Ranjan's primary practice is Buffalo VAMC in Buffalo, New York.

Buffalo VAMCBuffalo, New YorkPrimary

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dmand AI tracks the EHR system at Dr. Rajiv Ranjan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ranjan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Buffalo VAMCAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Rajiv Ranjan is one of 914 nephrologists in New York

Nephrology is Dr. Ranjan's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Ranjan is licensed in New York.

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 220102-1 · taxonomy 207RN0300X

Nephrologists near Dr. Ranjan

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. Rajiv Ranjan's patients have a median age of 76

Across all payers, Dmand AI patient panel data puts Dr. Ranjan's median patient age at 76, with 11% women.

Dr. Ranjan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 76

Patient panel by sex, all payers

  • Women11%
  • Men89%

Source: Dmand AI Patient Panel Data

Dr. Rajiv Ranjan has 1 publication on record

Dmand AI links 1 paper to Dr. Ranjan. Dr. Ranjan's most frequent co-authors are Pradeep Arora, MD and Hari K. Kolli, MBBS, MD.

Papers1

Dr. Ranjan's most frequent co-authors

Recent publications by Dr. Ranjan

See all 1 publications and co-authors

See who Dr. Ranjan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ranjan works with, so you can find a warm path to the right nephrologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Rajiv Ranjan has worked on 1 clinical trial

Dmand AI links Dr. Ranjan to 1 clinical trial. Conditions studied include Renal Insufficiency, Chronic and Renal Insufficiency.

Conditions in Dr. Ranjan's trials

  • Renal Insufficiency, Chronic
  • Renal Insufficiency

Investigators on the most trials with Dr. Ranjan

Recent clinical trials with Dr. Ranjan

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Rajiv Ranjan received $239 in industry payments from 2016 to 2017

CMS Open Payments shows 3 general payments to Dr. Ranjan from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Exelixis Inc. paid the most, $125.

General payments to Dr. Ranjan by program year, 2016 to 2017

Companies that paid Dr. Ranjan the most, 2016 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Ranjan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Rajiv Ranjan graduated from Darbhanga Medical College

Dr. Ranjan graduated from Darbhanga Medical College in 1989.

  1. Medical schoolDarbhanga Medical College

Source: Dmand AI Professional Profile Data

Sources for Dr. Rajiv Ranjan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Rajiv Ranjan

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. Rajiv Ranjan's NPI number?

Dr. Rajiv Ranjan's NPI number is 1679594485. It was assigned on July 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Rajiv Ranjan?

Dr. Rajiv Ranjan is a nephrologist in Buffalo, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Rajiv Ranjan practice?

Dr. Ranjan practices at 3495 Bailey Ave, Buffalo, NY 14215. Dr. Ranjan's primary practice is Buffalo VAMC in Buffalo, New York.

What is Dr. Rajiv Ranjan's office phone number?

The practice phone on file for Dr. Ranjan is (202) 382-2579.

What is Dr. Rajiv Ranjan's medical license number?

Dr. Ranjan holds New York license 220102-1.

Where did Dr. Rajiv Ranjan go to medical school?

Dr. Ranjan graduated from Darbhanga Medical College in 1989.

Has Dr. Rajiv Ranjan received payments from drug or device companies?

CMS Open Payments shows $239 in general payments to Dr. Ranjan from 3 companies from 2016 to 2017. The largest total came from Exelixis Inc.

How long has Dr. Rajiv Ranjan been practicing?

Dr. Ranjan graduated from medical school in 1989, 37 years ago.

Does Dr. Rajiv Ranjan do research?

Dmand AI links 1 publication to Dr. Ranjan. Dr. Ranjan has worked on 1 clinical trial.

Who does Dr. Rajiv Ranjan publish with?

Dr. Ranjan's most frequent co-authors are Pradeep Arora, MD (1 shared paper) and Hari K. Kolli, MBBS, MD (1 shared paper).

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