Doctor profile · Federal record

Dr. Derya Hazar, M.D.

Nephrology Physician (CMS: Nephrology) · Dorchester Center, MA

  • NPI 1659475366
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2100 Dorchester Ave, Suite 2204
Dorchester Center, MA 021245615
(617) 739-2100
fax (617) 296-4330
Mailing address
31 Pine St, Ste 204
Norfolk, MA 020561680

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
July 28, 2017
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Massachusetts #78328

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659475366. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,548
Distinct HCPCS
10
Medicare allowed
$299,570
HCPCS Description Services Patients Avg allowed
90962 Dialysis services, 1 physician visit per month (20 years or older) 464 94 $214
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 295 82 $312
99214 Established patient office or other outpatient visit, 30-39 minutes 205 150 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 178 148 $77
90966 Home dialysis services per month (20 years or older) 119 20 $304
90935 Hemodialysis procedure with physician evaluation 62 37 $76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 45 27 $83
99204 New patient office or other outpatient visit, 45-59 minutes 42 42 $180
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 41 40 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $183

In context: peer comparison

Among 1 peers in Dorchester Center Nephrology Physician, average services per provider: 129. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$26
Transactions
6
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 1 $15.13
Travere Therapeutics, INC. 5 $11.01

By nature of payment

Food and Beverage
$15
Education
$11

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
672
Patients
144
Total drug cost
$646,183
Drug Type Claims Patients Total cost
Sevelamer Carbonate Generic 178 53 $57,675
Velphoro (Sucroferric Oxyhydroxide) Brand 107 24 $384,827
Torsemide Generic 76 24 $1,692
Lanthanum Carbonate Generic 56 16 $51,891
Allopurinol Generic 38 0 $523
Losartan Potassium Generic 35 12 $574
Amlodipine Besylate Generic 25 15 $332
Lisinopril Generic 24 0 $189
Veltassa (Patiromer Calcium Sorbitex) Brand 24 0 $48,029
Atorvastatin Calcium Generic 22 0 $196

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Derya Hazar's medical specialty?
Dr. Derya Hazar practices Nephrology Physician in Dorchester Center, MA.
Where does Dr. Derya Hazar practice?
Dr. Derya Hazar practices at 2100 Dorchester Ave, Dorchester Center, MA 021245615. Office phone: 6177392100.
What is Dr. Derya Hazar's NPI?
Dr. Derya Hazar's National Provider Identifier (NPI) is 1659475366, issued by NPPES.
Does Dr. Derya Hazar accept Medicare assignment?
Yes. Dr. Derya Hazar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derya Hazar commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 1 physician visit per month (20 years or older) (HCPCS 90962); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.