Dr. Robert A. Cohen, MD

  • Boston, MA
  • Nephrologist
NPI1023042835
Medicare services, 2024
226
Medicare patients, 2024
172
Part D claims, 2024
833
Publications
27
Hospital affiliations
1
Practice address
330 Brookline Avenue, Boston, MA 02215
Practice phone
Call (617) 667-7000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Beth Israel Deaconess Medical Center

Hospital · Boston, Massachusetts

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Dr. Robert A. Cohen is a nephrologist in Boston, Massachusetts

Dr. Cohen practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.

Dr. Cohen's NPI, 1023042835, was assigned on July 10, 2006. Dr. Cohen graduated from Lewis Katz School of Medicine in 1982. Dr. Cohen holds Massachusetts license 56188.

NPI and contact details
NPI enumeration date
July 10, 2006
NPI status
Active
Practice phone
(617) 667-7000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
70
Medical school graduation
1982

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

Dr. Robert A. Cohen practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts

Dr. Cohen's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.

Source: Dmand AI Affiliation Data

Dr. Robert A. Cohen is affiliated with 1 site of care and 2 medical groups

Dr. Cohen's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Cohen to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Cohen

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

Dmand AI tracks the EHR system at Dr. Robert A. Cohen's practice

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

EHR by site
SiteEHR vendor and product
Beth Israel Deaconess Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert A. Cohen is one of 351 nephrologists in Massachusetts

Nephrology is Dr. Cohen's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Cohen is board certified in internal medicine by the American Board of Internal Medicine. Dr. Cohen is licensed in Massachusetts.

Specialties and state licenses

  • Nephrology, MassachusettsPrimaryLicense 56188 · 1986 to 2027 · taxonomy 207RN0300X

Clinical focus

Dmand AI lists acute kidney failure, chronic hypertension and chronic kidney disease among the conditions Dr. Cohen treats.

Nephrologists near Dr. Cohen

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 A. Cohen billed Medicare for 226 services in 2024

CMS data shows 226 Medicare services from Dr. Cohen across 4 procedure codes in 2024, for 172 Medicare patients. Medicare paid $12,012 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024226
Medicare patients172
Paid by Medicare$12,012
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2772024: 14548%
Tests and treatments
2023: 1612024: 5069%
Other services
2023: 02024: 31

Dr. Cohen compared with the Massachusetts median for nephrologists, 2024

  • Dr. Cohen
  • Massachusetts median
Medicare services
226vs 70168% below
Medicare patients
172vs 28239% below
Part D claims
684vs 47145% above

Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Cohen'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. Cohen

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cohen and other nephrologists in Massachusetts.

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

Dr. Robert A. Cohen treated 172 Medicare patients in 2024, average age 75

CMS counts 172 Medicare patients who saw Dr. Cohen in 2024. The largest group is 75 to 84, with 65 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 27% are also on Medicaid. Their average risk score is 3.21, 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. Cohen's median patient age at 73, with 41% women.

Medicare patients, 2024172
Average age75
Average risk score3.21
Also on Medicaid27%

Dr. Cohen's Medicare patients by age, 2024

Dr. Cohen's Medicare patients by sex, 2024

  • Women5431%
  • Men11869%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes48%
  5. Ischemic heart disease40%
  6. Arthritis38%
  7. Heart failure30%
  8. Mood disorders22%

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

Dr. Cohen's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women41%
  • Men59%

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

Dr. Robert A. Cohen wrote 833 Medicare Part D claims in 2024

In 2024, Dr. Cohen wrote 833 Medicare Part D claims for 163 patients. 85% of them were for generic drugs. CMS names the drug for 684 of them, across 16 drugs with 11 or more claims each, at $123,273 in total drug cost. In 2023, CMS named 790 claims across 19 drugs.

Part D claims, 2024833
Drugs named by CMS16
Total drug cost$123,273
Part D patients163

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

  • Generic704 claims85%
  • Brand-name and other129 claims15%

Dr. Cohen'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: 7902024: 68413%

Drugs named by CMS: 16 in 2024, 19 in 2023.

See all prescribing by Dr. Cohen

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

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Dr. Robert A. Cohen has 27 publications on record

Dmand AI links 27 papers to Dr. Cohen, published from 2006 to 2021. 2021 was the busiest year, with 3. The most frequent topics are Renal Dialysis, Communication and Kidney Diseases. Dr. Cohen has published most often in Clin J Am Soc Nephrol. Dr. Cohen's most frequent co-authors are Robert Andrew Cohen, MD, Robert Stephen Brown, MD and Robert Arnold.

Papers27
Years published2006 to 2021

Dr. Cohen's papers by year, 2006 to 2021

Topics Dr. Cohen writes about most

  • Renal Dialysis
  • Communication
  • Kidney Diseases
  • Nephrology
  • Advance Care Planning
  • Clinical Decision-Making
  • Critical Illness
  • Curriculum

Dr. Cohen's most frequent co-authors

Recent publications by Dr. Cohen

See all 27 publications and co-authors

See who Dr. Cohen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Cohen 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 A. Cohen received $120 in industry payments from 2016 to 2025

CMS Open Payments shows 5 general payments to Dr. Cohen from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Osprey Medical Inc paid the most, $99.

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

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

$120in total
  • Food and beverage$11596%
  • Education$54%

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

Share is of all general payments to this clinician.

See all payments to Dr. Cohen

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

Dr. Robert A. Cohen has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Cohen, most recently Gold Humanism Scholar/Harvard Macy Educators Program in 2017.

Awards and honors for Dr. Cohen

  1. 2017
    • Gold Humanism Scholar/Harvard Macy Educators Program
  2. 2011
    • Super Doc
  3. Undated
    • Checkbook Top Doc
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Robert A. Cohen graduated from Lewis Katz School of Medicine

Dr. Cohen graduated from Lewis Katz School of Medicine in 1982.

  1. Medical schoolLewis Katz School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert A. Cohen accepts plans from 11 insurance carriers

Dr. Cohen is in network with 11 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • +3 more carriersWith a free account

Plan types Dr. Cohen accepts, by number of carriers

  1. Medicare9
  2. PPO8
  3. HMO6
  4. POS5
  5. EPO3
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert A. Cohen'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 A. Cohen

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 A. Cohen's NPI number?

Dr. Robert A. Cohen's NPI number is 1023042835. It was assigned on July 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert A. Cohen?

Dr. Robert A. Cohen is a nephrologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Robert A. Cohen practice?

Dr. Cohen practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Cohen's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Cohen to 1 medical group.

What is Dr. Robert A. Cohen's office phone number?

The practice phone on file for Dr. Cohen is (617) 667-7000.

What is Dr. Robert A. Cohen's medical license number?

Dr. Cohen holds Massachusetts license 56188.

Which hospitals is Dr. Robert A. Cohen affiliated with?

Dr. Cohen practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts.

What medical group is Dr. Robert A. Cohen part of?

Dr. Cohen is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Cohen to 1 more medical group.

Does Dr. Robert A. Cohen accept Medicare?

Yes. CMS data shows Dr. Cohen billed Medicare for 226 services in 2024.

How many Medicare patients does Dr. Robert A. Cohen see?

CMS counts 172 Medicare patients who saw Dr. Cohen in 2024, with an average age of 75.

Is Dr. Robert A. Cohen board certified?

Yes. Dr. Cohen is board certified in internal medicine by the American Board of Internal Medicine.

Show 8 more questionsShow fewer questions

What services does Dr. Robert A. Cohen bill to Medicare?

In 2024, Dr. Cohen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and dialysis (90935).

Where did Dr. Robert A. Cohen go to medical school?

Dr. Cohen graduated from Lewis Katz School of Medicine in 1982.

What drugs does Dr. Robert A. Cohen prescribe most?

In 2024 Medicare Part D data, Dr. Cohen's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Potassium Citrate ER.

Has Dr. Robert A. Cohen received payments from drug or device companies?

CMS Open Payments shows $120 in general payments to Dr. Cohen from 4 companies from 2016 to 2025. The largest total came from Osprey Medical Inc.

How long has Dr. Robert A. Cohen been practicing?

Dr. Cohen graduated from medical school in 1982, 44 years ago.

Does Dr. Robert A. Cohen do research?

Dmand AI links 27 publications to Dr. Cohen, published from 2006 to 2021.

Who does Dr. Robert A. Cohen publish with?

Dr. Cohen's most frequent co-authors are Robert Andrew Cohen, MD (8 shared papers), Robert Stephen Brown, MD (2 shared papers) and Robert Arnold (1 shared paper).

What insurance does Dr. Robert A. Cohen accept?

Dr. Cohen is in network with 11 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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