Doctor profile · Federal record

Dr. David Ishizawar, M.D.

Advanced Heart Failure and Transplant Cardiology Physician (CMS: Cardiovascular Disease (Cardiology)) · Advanced Heart Failure and Transplant Cardiology Physician · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Raleigh, NC

  • NPI 1326235607
  • Accepts Medicare
  • 25 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2800 Blue Ridge RD Ste 204
Raleigh, NC 276076477
(919) 784-3324
Additional location
9200 W Wisconsin Ave, Cardiovascular Medicine
Milwaukee, WI 532263522
(414) 805-6633

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
October 9, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RA0001X — NUCC code
State licenses (3)
North Carolina #2023-02189 · Wisconsin #65360 · Pennsylvania #MD434787
Medicaid
WI #1326235607

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326235607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
519
Distinct HCPCS
9
Medicare allowed
$63,920
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 203 56 $113
99214 Established patient office or other outpatient visit, 30-39 minutes 73 51 $91
99291 Critical care, first 30-74 minutes 64 18 $202
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 43 18 $75
99214 Established patient office or other outpatient visit, 30-39 minutes 32 31 $121
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 28 $166
93451 Insertion of tube in right heart chambers for measurement 28 28 $117
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $125
99215 Established patient office or other outpatient visit, 40-54 minutes 22 18 $135

In context: peer comparison

Among 2 peers in Raleigh Advanced Heart Failure and Transplant Cardiology Physician, average services per provider: 58. This provider delivers 8.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$135
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Zoll Services LLC (A/K/A Zoll LifeCor Corp) 1 $54.53
United Therapeutics Corporation 1 $48.11
Abbott Laboratories 1 $24.99
CVRx, INC. 1 $7.58

By nature of payment

Food and Beverage
$135

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,675
Patients
458
Total drug cost
$5,547,102
Drug Type Claims Patients Total cost
Spironolactone Generic 302 109 $3,669
Jardiance (Empagliflozin) Brand 242 61 $240,275
Furosemide Generic 158 52 $1,353
Ambrisentan Generic 145 15 $735,178
Farxiga (Dapagliflozin Propanediol) Brand 117 36 $116,054
Uptravi (Selexipag) Brand 113 14 $2,417,870
Metoprolol Succinate Generic 98 38 $3,070
Sildenafil Citrate Generic 93 31 $77,161
Adempas (Riociguat) Brand 76 14 $1,012,310
Opsumit (Macitentan) Brand 66 0 $818,686

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Ishizawar's medical specialty?
Dr. David Ishizawar practices Advanced Heart Failure and Transplant Cardiology Physician in Raleigh, NC.
Where does Dr. David Ishizawar practice?
Dr. David Ishizawar practices at 2800 Blue Ridge RD Ste 204, Raleigh, NC 276076477. Office phone: 9197843324.
What is Dr. David Ishizawar's NPI?
Dr. David Ishizawar's National Provider Identifier (NPI) is 1326235607, issued by NPPES.
Does Dr. David Ishizawar accept Medicare assignment?
Yes. Dr. David Ishizawar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Ishizawar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.