Dr. Derya Bora Hazar, MD

  • Norfolk, MA
  • Nephrologist
NPI1659475366PAC ID8224119375
Medicare services, 2024
1,688
Medicare patients, 2024
561
Part D claims, 2024
1,039
Publications
4
Hospital affiliations
6
Practice address
31 Pine St, Norfolk, MA 02056
Practice phone
Call (508) 226-0218
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Attleboro Dialysis Center

Norfolk, Massachusetts

See all 20 affiliations

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Dr. Derya Bora Hazar is a nephrologist in Norfolk, Massachusetts

Dr. Hazar practices at Attleboro Dialysis Center in Norfolk, Massachusetts.

Dr. Hazar's NPI, 1659475366, was assigned on September 12, 2006. Dr. Hazar graduated from Istanbul University, Cerrahpasa Faculty of Medicine in 1988. Dr. Hazar holds Massachusetts license 78328.

NPI and contact details
Medicare PAC ID
8224119375
NPI enumeration date
September 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(508) 226-0218
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1988

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

Dr. Derya Bora Hazar practices at Attleboro Dialysis Center in Norfolk, Massachusetts

Dr. Hazar's primary practice is Attleboro Dialysis Center, at 31 Pine St, Norfolk, MA 02056 in Norfolk County. The practice phone is (508) 226-0218.

  • Attleboro Dialysis Center
    31 Pine St, Norfolk, MA 02056 · Norfolk CountyPhone(508) 226-0218

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

Dr. Derya Bora Hazar is affiliated with 14 sites of care and 6 medical groups

Dr. Hazar's primary practice is Attleboro Dialysis Center in Norfolk, Massachusetts. Dr. Hazar is also affiliated with Brigham and Women's Hospital. The medical group on file is Commonwealth Nephrology Associates. Dmand AI also links Dr. Hazar to 5 more hospitals, 5 medical groups, 4 group practices and clinics and 3 dialysis centers, each named with a free account.

See all 20 affiliations for Dr. Hazar

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

Dmand AI tracks the EHR system at Dr. Derya Bora Hazar's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hazar practices, 13 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Attleboro Dialysis CenterAvailable with a free account
+13 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Derya Bora Hazar is one of 351 nephrologists in Massachusetts

Nephrology is Dr. Hazar's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Hazar is board certified in nephrology by the American Board of Internal Medicine. Dmand AI has Dr. Hazar's licenses on file in 2 states: Massachusetts and Arkansas.

Specialties and state licenses

  • Nephrology, MassachusettsPrimaryLicense 78328 · 1993 to 2026 · taxonomy 207RN0300X
  • Arkansas license1995 to 1998

Clinical focus

Dmand AI lists acute kidney failure, chronic kidney disease, fluid and electrolyte imbalances, hypercalcemia and kidney cysts among the conditions Dr. Hazar treats.

Nephrologists near Dr. Hazar

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. Derya Bora Hazar billed Medicare for 1,688 services in 2024

CMS data shows 1,688 Medicare services from Dr. Hazar across 14 procedure codes in 2024, for 561 Medicare patients. Medicare paid $224,903 for them.

Medicare services, 20241,688
Medicare patients561
Paid by Medicare$224,903
Procedure codes14

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

  • 2023
  • 2024
Tests and treatments
2023: 9402024: 76519%
Office and hospital visits
2023: 6082024: 75023%
Other services
2023: 02024: 173

Where Dr. Hazar's Medicare services took place, 2024

  • In an office1,34980%
  • In a facility33920%

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

  • Dr. Hazar
  • Massachusetts median
Medicare services
1,688vs 7012.4 times
Medicare patients
561vs 28299% above
Part D claims
796vs 47169% above

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

Dr. Hazar'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. Hazar

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hazar 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. Derya Bora Hazar treated 561 Medicare patients in 2024, average age 74

CMS counts 561 Medicare patients who saw Dr. Hazar in 2024. The largest group is 75 to 84, with 215 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 31% are also on Medicaid. Their average risk score is 4.60, 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. Hazar's median patient age at 73, with 40% women.

Medicare patients, 2024561
Average age74
Average risk score4.60
Also on Medicaid31%

Dr. Hazar's Medicare patients by age, 2024

Dr. Hazar's Medicare patients by sex, 2024

  • Women24043%
  • Men32157%

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

  1. Chronic kidney disease75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Diabetes58%
  5. Heart failure47%
  6. Ischemic heart disease44%
  7. Arthritis43%
  8. Atrial fibrillation36%

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

Dr. Hazar'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

  • Women40%
  • Men58%

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

Dr. Derya Bora Hazar wrote 1,039 Medicare Part D claims in 2024

In 2024, Dr. Hazar wrote 1,039 Medicare Part D claims for 231 patients. 77% of them were for generic drugs. CMS names the drug for 796 of them, across 23 drugs with 11 or more claims each, at $508,412 in total drug cost. In 2023, CMS named 785 claims across 24 drugs.

Part D claims, 20241,039
Drugs named by CMS23
Total drug cost$508,412
Part D patients231

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

  • Generic799 claims77%
  • Brand-name240 claims23%

Dr. Hazar'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. Hazar's Part D claims, 2024

  • Antibiotics1%11 of 1,039 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: 7852024: 7961%

Drugs named by CMS: 23 in 2024, 24 in 2023.

See all prescribing by Dr. Hazar

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

How Dr. Derya Bora Hazar takes part in Medicare

Dr. Hazar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Dr. Derya Bora Hazar has 4 publications on record

Dmand AI links 4 papers to Dr. Hazar in 2016. The most frequent topics are Renal Insufficiency, Chronic, Health Knowledge, Attitudes, Practice and Terminal Care. Dr. Hazar's most frequent co-authors are Stanley D. Crittenden, MD, Ravi Ishwar Thadhani, MD, MPH and Kabir Oladipo Olaniran, MD, MPH.

Papers4

Topics Dr. Hazar writes about most

  • Renal Insufficiency, Chronic
  • Health Knowledge, Attitudes, Practice
  • Terminal Care
  • White People

Dr. Hazar's most frequent co-authors

Recent publications by Dr. Hazar

See all 4 publications and co-authors

See who Dr. Hazar researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hazar 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. Derya Bora Hazar received $242 in industry payments from 2016 to 2025

CMS Open Payments shows 22 general payments to Dr. Hazar from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Amgen Inc. paid the most, $82.

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

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

$242in total
  • Food and beverage$14158%
  • Education$10142%

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

Share is of all general payments to this clinician.

See all payments to Dr. Hazar

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

Dr. Derya Bora Hazar has 1 award and honors on record

Dmand AI lists 1 award for Dr. Hazar, most recently Boston's Top Doctors in 2023.

Awards and honors for Dr. Hazar

  1. 2023
    • Boston's Top Doctors

Source: Dmand AI Professional Profile Data

Dr. Derya Bora Hazar graduated from Istanbul University, Cerrahpasa Faculty of Medicine

Dr. Hazar graduated from Istanbul University, Cerrahpasa Faculty of Medicine in 1988. Dr. Hazar is a member of ASN.

  1. Medical schoolIstanbul University, Cerrahpasa Faculty of Medicine
  2. Board certified in nephrologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Derya Bora Hazar accepts plans from 18 insurance carriers

Dr. Hazar is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. 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
  • Aspirus Health Plan
  • +10 more carriersWith a free account

Plan types Dr. Hazar accepts, by number of carriers

  1. Medicare11
  2. PPO11
  3. HMO9
  4. POS6
  5. EPO5
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Derya Bora Hazar'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 DataDmand 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
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. Derya Bora Hazar

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. Derya Bora Hazar's NPI number?

Dr. Derya Bora Hazar's NPI number is 1659475366. It was assigned on September 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Derya Bora Hazar?

Dr. Derya Bora Hazar is a nephrologist in Norfolk, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).

Where does Dr. Derya Bora Hazar practice?

Dr. Hazar practices at 31 Pine St, Norfolk, MA 02056. Dr. Hazar's primary practice is Attleboro Dialysis Center in Norfolk, Massachusetts. Dmand AI also links Dr. Hazar to 5 hospitals, 5 medical groups, 4 group practices and clinics and 3 dialysis centers.

What is Dr. Derya Bora Hazar's office phone number?

The practice phone on file for Dr. Hazar is (508) 226-0218.

What is Dr. Derya Bora Hazar's medical license number?

Dr. Hazar holds Massachusetts license 78328, one of the licenses on file in 2 states.

Which states has Dr. Derya Bora Hazar been licensed in?

Dmand AI has state licenses on file for Dr. Hazar in Massachusetts (1993 to 2026) and Arkansas (1995 to 1998).

Which hospitals is Dr. Derya Bora Hazar affiliated with?

Dr. Hazar is affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Hazar to 5 more hospitals.

What medical group is Dr. Derya Bora Hazar part of?

Dr. Hazar is linked to Commonwealth Nephrology Associates. Dmand AI links Dr. Hazar to 5 more medical groups.

Does Dr. Derya Bora Hazar accept Medicare?

Yes. CMS data shows Dr. Hazar billed Medicare for 1,688 services in 2024, and Dr. Hazar accepts Medicare assignment.

How many Medicare patients does Dr. Derya Bora Hazar see?

CMS counts 561 Medicare patients who saw Dr. Hazar in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Derya Bora Hazar board certified?

Yes. Dr. Hazar is board certified in nephrology by the American Board of Internal Medicine.

What services does Dr. Derya Bora Hazar bill to Medicare?

In 2024, Dr. Hazar's most billed Medicare services were office visit, established patient (99214), dialysis (90962) and dialysis (90961).

Where did Dr. Derya Bora Hazar go to medical school?

Dr. Hazar graduated from Istanbul University, Cerrahpasa Faculty of Medicine in 1988.

What drugs does Dr. Derya Bora Hazar prescribe most?

In 2024 Medicare Part D data, Dr. Hazar's most prescribed drugs by claims were Sevelamer Carbonate, Velphoro and Torsemide.

Has Dr. Derya Bora Hazar received payments from drug or device companies?

CMS Open Payments shows $242 in general payments to Dr. Hazar from 5 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Derya Bora Hazar been practicing?

Dr. Hazar graduated from medical school in 1988, 38 years ago.

Does Dr. Derya Bora Hazar do research?

Dmand AI links 4 publications to Dr. Hazar.

Who does Dr. Derya Bora Hazar publish with?

Dr. Hazar's most frequent co-authors are Stanley D. Crittenden, MD (2 shared papers), Ravi Ishwar Thadhani, MD, MPH (2 shared papers) and Kabir Oladipo Olaniran, MD, MPH (1 shared paper).

What insurance does Dr. Derya Bora Hazar accept?

Dr. Hazar is in network with 18 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.

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