NPPES file of Aug 9, 2026

Mark Haddad, MD

Emergency Medicine Physician · Wailuku, HI

Mark Haddad, MD is an emergency medicine physician with a practice address in Wailuku, Hawaii, and NPI 1861435430, issued on Jun 13, 2006. Check the license (Hawaii 8521, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861435430
Name
Mark Haddad
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
8521 HI
Self-reported in NPPES; status is on the state search
Practice location
221 Mahalani St, Wailuku, HI 96793
Phone
(808) 242-2290
Enumerated
Jun 13, 2006
Record last updated
Jul 13, 2026
Medicaid ID
06989301 HI
Medicare enrollment
Enrolled (PECOS I20051216000365); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 1979
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 221 Mahalani St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bettina Ackermann, MDPediatrics Physician1205807625
  2. Naira ArellanoAcute Care Nurse Practitioner1831525898
  3. Danielle Aubert-Anderson, LMSWSocial Worker1508369422
  4. James Bendon, MDDiagnostic Radiology Physician1780725432
  5. Miriam BerchukAnesthesiology Physician1013573823
  6. Ariel Berrios, PA-CPhysician Assistant1669911640

Verify Mark Haddad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license 8521
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

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29% fewer Medicare Part D claims than the average emergency medicine physician in 2024

160 Medicare Part D claims for 98 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Mark Haddad160
  2. Specialty average226

Most prescribed

  1. Prednisone18 claims
  2. Lorazepam16 claims
  3. Azithromycin13 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.

Bills Medicare through 2 group practices

  1. Lanai Emergency Medical Associates IncLanai City, HI
  2. Maui Memorial Emergency Medical Associates IncWailuku, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Haddad among 370 emergency medicine physician records in Hawaii

Mark Haddad, MD is one of 370 emergency medicine physician records with a practice address in Hawaii. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1979 · median 2012 among the 202 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

19 emergency medicine physician records list a practice address in Wailuku

They are 19 of the 1,087 NPPES records with a practice address in Wailuku, and 370 emergency medicine physician records in Hawaii.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Daniel Brandes, MDWailuku, HI 967931326075565
  2. William Eilert, MDWailuku, HI 967931003859653
  3. Marc Emde, MDWailuku, HI 967931609819010
  4. Jon Jancaterino, MDWailuku, HI 967931063402469
  5. William Langston, MDWailuku, HI 967931013903640
  6. Jenwei Luu, MDWailuku, HI 967931891738464
  7. Benjamin Massenburg, MDWailuku, HI 967931841238532
  8. John Mills, MDWailuku, HI 967931508809146

Common questions

What is Mark Haddad, MD's NPI number?

Mark Haddad, MD's National Provider Identifier (NPI) is 1861435430, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Haddad, MD located?

The NPPES record lists a practice address at 221 Mahalani St, Wailuku, HI, 96793. Phone: (808) 242-2290. Providers update this record themselves, so call before visiting.

How can I verify Mark Haddad, MD's license?

NPPES lists Hawaii license number 8521, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Haddad, MD prescribe under Medicare Part D?

In 2024, Mark Haddad, MD had 160 Medicare Part D claims for 98 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.