Dr. Robert I. Lynn, MD

  • Bronx, NY
  • Nephrologist
NPI1851388862PAC ID4789601840
Medicare services, 2024
1,294
Medicare patients, 2024
115
Part D claims, 2024
2,787
Publications
4
Clinical trials
3
Practice address
1615 Eastchester Road, Bronx, NY 10461
Practice phone
Call (718) 892-7700
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

DaVita Bronx Dialysis Center

Dialysis Center - Independent · Bronx, New York

See all 6 affiliations

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Dr. Robert I. Lynn is a nephrologist in Bronx, New York

Dr. Lynn practices at DaVita Bronx Dialysis Center in Bronx, New York.

Dr. Lynn's NPI, 1851388862, was assigned on October 4, 2005. Dr. Lynn graduated from Columbia University College of Physicians and Surgeons in 1974. Dr. Lynn holds New York license 125759.

NPI and contact details
Medicare PAC ID
4789601840
NPI enumeration date
October 4, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(718) 892-7700
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
78
Medical school graduation
1974

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Robert I. Lynn practices at DaVita Bronx Dialysis Center in Bronx, New York

Dr. Lynn's primary practice is DaVita Bronx Dialysis Center, at 1615 Eastchester Road, Bronx, NY 10461 in Bronx County. The practice phone is (718) 892-7700.

  • DaVita Bronx Dialysis Center
    1615 Eastchester Road, Bronx, NY 10461 · Bronx CountyPhone(718) 892-7700

Source: Dmand AI Affiliation Data

Dr. Robert I. Lynn is affiliated with 5 sites of care and 1 medical group

Dr. Lynn's primary practice is DaVita Bronx Dialysis Center in Bronx, New York. Dr. Lynn is also affiliated with Montefiore Einstein Hospital-Moses Campus. The medical group on file is Kidney Medical Associates. Dmand AI also links Dr. Lynn to 1 more dialysis center, 1 physician office and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Lynn

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Robert I. Lynn's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lynn practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
DaVita Bronx Dialysis CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Robert I. Lynn is one of 914 nephrologists in New York

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

Specialties and state licenses

  • Nephrology, New YorkPrimaryLicense 125759 · taxonomy 207RN0300X

Nephrologists near Dr. Lynn

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. Robert I. Lynn billed Medicare for 1,294 services in 2024

CMS data shows 1,294 Medicare services from Dr. Lynn across 12 procedure codes in 2024, for 115 Medicare patients. Medicare paid $99,724 for them. Every service was in an office.

Medicare services, 20241,294
Medicare patients115
Paid by Medicare$99,724
Procedure codes12

Dr. Lynn's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6952024: 98341%
Tests and treatments
2023: 2092024: 17019%
Surgery
2023: 1342024: 1294%
Other services
2023: 02024: 12

Dr. Lynn compared with the New York median for nephrologists, 2024

  • Dr. Lynn
  • New York median
Medicare services
1,294vs 68988% above
Medicare patients
115vs 21747% below
Part D claims
2,261vs 4365.2 times

Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.

Dr. Lynn'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.

See all procedures by Dr. Lynn

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert I. Lynn treated 115 Medicare patients in 2024, average age 71

CMS counts 115 Medicare patients who saw Dr. Lynn in 2024. The largest group is 65 to 74, with 38 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 37% are also on Medicaid. Their average risk score is 3.85, 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. Lynn's median patient age at 66, with 48% women.

Medicare patients, 2024115
Average age71
Average risk score3.85
Also on Medicaid37%

Dr. Lynn's Medicare patients by age, 2024

Dr. Lynn's Medicare patients by sex, 2024

  • Women5850%
  • Men5750%

Chronic conditions among Dr. Lynn's Medicare patients, 2024

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes69%
  5. Arthritis39%
  6. Ischemic heart disease39%
  7. Heart failure30%
  8. Asthma21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Lynn's patients across all payers

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

Patient panel by age, all payers

Median age 66

Patient panel by sex, all payers

  • Women48%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Robert I. Lynn wrote 2,787 Medicare Part D claims in 2024

In 2024, Dr. Lynn wrote 2,787 Medicare Part D claims for 209 patients. 74% of them were for generic drugs. CMS names the drug for 2,261 of them, across 69 drugs with 11 or more claims each, at $861,122 in total drug cost. In 2023, CMS named 2,135 claims across 65 drugs.

Part D claims, 20242,787
Drugs named by CMS69
Total drug cost$861,122
Part D patients209

Dr. Lynn's Part D claims by kind of drug, 2024

  • Generic2,069 claims74%
  • Brand-name682 claims24%
  • Other36 claims1%

Dr. Lynn'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.

Drug classes CMS tracks in Dr. Lynn's Part D claims, 2024

  • Opioids2%66 of 2,787 claims
  • Antibiotics1%34 of 2,787 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,1352024: 2,2616%

Drugs named by CMS: 69 in 2024, 65 in 2023.

See all prescribing by Dr. Lynn

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. Robert I. Lynn offers telehealth to Medicare patients

Dr. Lynn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lynn as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Robert I. Lynn has 4 publications on record

Dmand AI links 4 papers to Dr. Lynn, published from 2020 to 2024. The most frequent topics are Renal Dialysis, Isoquinolines and Sulfonamides. Dr. Lynn has published most often in Kidney360. Dr. Lynn's most frequent co-authors are Arnold Silva, MD, PhD, Geoffrey Allan Block, MD and Glenn Matthew Chertow, MD.

Papers4
Years published2020 to 2024

Dr. Lynn's papers by year, 2020 to 2024

Topics Dr. Lynn writes about most

  • Renal Dialysis
  • Isoquinolines
  • Sulfonamides
  • Hyperphosphatemia

Dr. Lynn's most frequent co-authors

Recent publications by Dr. Lynn

See all 4 publications and co-authors

See who Dr. Lynn researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lynn 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. Robert I. Lynn has worked on 3 clinical trials

Dmand AI links Dr. Lynn to 3 clinical trials, 2 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Renal Insufficiency, Chronic, Kidney Failure, Chronic and Obesity. GlaxoSmithKline sponsors the most, 2. Open Payments lists research payments to Dr. Lynn that name 1 trial.

Conditions in Dr. Lynn's trials

  • Renal Insufficiency, Chronic
  • Kidney Failure, Chronic
  • Obesity
  • Overnutrition
  • Renal Insufficiency

Investigators on the most trials with Dr. Lynn

Recent clinical trials with Dr. Lynn

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Robert I. Lynn received $35,231 in industry payments from 2016 to 2025

CMS Open Payments shows 299 general payments to Dr. Lynn from 37 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 42% of the total. Fresenius USA Marketing, Inc. paid the most, $15,707. It also lists 1 research payment totaling $275 in 2023, naming 1 clinical trial.

General payments to Dr. Lynn by program year, 2016 to 2025

General payments to Dr. Lynn by kind, 2016 to 2025

$35.2Kin total
  • Speaker and faculty fees$14,80042%
  • Consulting fees$8,80025%
  • Food and beverage$6,66919%
  • Travel and lodging$2,7498%
  • Other$2,2136%

Companies that paid Dr. Lynn the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lynn

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

Dr. Robert I. Lynn graduated from Columbia University College of Physicians and Surgeons

Dr. Lynn graduated from Columbia University College of Physicians and Surgeons in 1974.

  1. Medical schoolColumbia University College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Dr. Robert I. Lynn'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
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. Robert I. Lynn

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. Robert I. Lynn's NPI number?

Dr. Robert I. Lynn's NPI number is 1851388862. It was assigned on October 4, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert I. Lynn?

Dr. Robert I. Lynn is a nephrologist in Bronx, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Robert I. Lynn practice?

Dr. Lynn practices at 1615 Eastchester Road, Bronx, NY 10461. Dr. Lynn's primary practice is DaVita Bronx Dialysis Center in Bronx, New York. Dmand AI also links Dr. Lynn to 1 dialysis center, 1 physician office and 1 group practice or clinic.

What is Dr. Robert I. Lynn's office phone number?

The practice phone on file for Dr. Lynn is (718) 892-7700.

What is Dr. Robert I. Lynn's medical license number?

Dr. Lynn holds New York license 125759.

Which hospitals is Dr. Robert I. Lynn affiliated with?

Dr. Lynn is affiliated with Montefiore Einstein Hospital-Moses Campus.

What medical group is Dr. Robert I. Lynn part of?

Dr. Lynn is linked to Kidney Medical Associates.

Does Dr. Robert I. Lynn accept Medicare?

Yes. CMS data shows Dr. Lynn billed Medicare for 1,294 services in 2024, and Dr. Lynn accepts Medicare assignment.

Does Dr. Robert I. Lynn offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Lynn as offering telehealth services.

How many Medicare patients does Dr. Robert I. Lynn see?

CMS counts 115 Medicare patients who saw Dr. Lynn in 2024, with an average age of 71.

Show 7 more questionsShow fewer questions

What services does Dr. Robert I. Lynn bill to Medicare?

In 2024, Dr. Lynn's most billed Medicare services were care management and other visits (99458), care management and other visits (99454) and care management and other visits (99457).

Where did Dr. Robert I. Lynn go to medical school?

Dr. Lynn graduated from Columbia University College of Physicians and Surgeons in 1974.

What drugs does Dr. Robert I. Lynn prescribe most?

In 2024 Medicare Part D data, Dr. Lynn's most prescribed drugs by claims were Amlodipine Besylate, Irbesartan and Farxiga.

Has Dr. Robert I. Lynn received payments from drug or device companies?

CMS Open Payments shows $35,231 in general payments to Dr. Lynn from 37 companies from 2016 to 2025. The largest total came from Fresenius USA Marketing, Inc.

How long has Dr. Robert I. Lynn been practicing?

Dr. Lynn graduated from medical school in 1974, 52 years ago.

Does Dr. Robert I. Lynn do research?

Dmand AI links 4 publications to Dr. Lynn, published from 2020 to 2024. Dr. Lynn has worked on 3 clinical trials.

Who does Dr. Robert I. Lynn publish with?

Dr. Lynn's most frequent co-authors are Arnold Silva, MD, PhD (3 shared papers), Geoffrey Allan Block, MD (2 shared papers) and Glenn Matthew Chertow, MD (2 shared papers).

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