Robert Steven Iwaoka, MD
Interventional Cardiology Physician · Charlotte, NC
Robert Steven Iwaoka, MD is an interventional cardiology physician with a practice address in Charlotte, North Carolina, and NPI 1144220377, issued on Jul 29, 2005. Check the license (North Carolina 26671, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Steven Iwaoka
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 26671 NC
Self-reported in NPPES; status is on the state search - Practice location
- 125 Queens RD Ste 200, Charlotte, NC 28204
- Phone
- (704) 343-9800
- Enumerated
- Jul 29, 2005
- Record last updated
- Jul 21, 2023
- Fax
- (704) 347-2011
- Medicaid IDs
- N26671 SC
8945501 NC - Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 188 in North Carolina → Look up another NPI →
Also registered at 125 Queens RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oluseun Alli, MDInterventional Cardiology Physician1053524967
- Amjad Almahameed, M.D., M.P.H.Interventional Cardiology Physician1780793828
- John Bailey, MDClinical Cardiac Electrophysiology Physician1891793121
- David BeardCardiovascular Disease Physician1982600201
- Derek Best, NPNurse Practitioner1730662149
- Jonathan BrownPhysician Assistant1487009759
Verify Robert Steven Iwaoka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 26671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
1,147 Medicare Part D claims for 279 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium122 claims
- Metoprolol Succinate117 claims
- Rosuvastatin Calcium112 claims
- Ezetimibe98 claims
- Carvedilol75 claims
- Amlodipine Besylate72 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Robert Steven Iwaoka among 188 interventional cardiology physician records in North Carolina
Robert Steven Iwaoka, MD is one of 188 interventional cardiology physician records with a practice address in North Carolina. 94% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 76% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileNo · 85% of these records are
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in North Carolina
There are 188 interventional cardiology physician records in North Carolina.
All 188 in North Carolina → Every provider in Charlotte → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Oluseun Alli, MDCharlotte, NC 282041053524967
- Amjad Almahameed, M.D., M.P.H.Charlotte, NC 282041780793828
- Gabriel Delgado, MDCharlotte, NC 282041376511659
- Killian McCarthy, MB, BCH, BAOCharlotte, NC 282041659892354
- Gary Niess, MDCharlotte, NC 282041720088826
- John Pasquini, MDCharlotte, NC 282041740288059
- Daniel PuCharlotte, NC 282041982960746
- Bernard Reen, MDCharlotte, NC 282041740288042
Common questions
What is Robert Steven Iwaoka, MD's NPI number?
Robert Steven Iwaoka, MD's National Provider Identifier (NPI) is 1144220377, issued on Jul 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Steven Iwaoka, MD located?
The NPPES record lists a practice address at 125 Queens RD Ste 200, Charlotte, NC, 28204. Phone: (704) 343-9800. Providers update this record themselves, so call before visiting.
How can I verify Robert Steven Iwaoka, MD's license?
NPPES lists North Carolina license number 26671, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Steven Iwaoka, MD prescribe under Medicare Part D?
In 2024, Robert Steven Iwaoka, MD had 1,147 Medicare Part D claims for 279 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.