NPPES file of Aug 9, 2026

John Hwang

Internal Medicine Physician · Harrington Park, NJ

John Hwang is an internal medicine physician with a practice address in Harrington Park, New Jersey, and NPI 1457349177, issued on Oct 6, 2005. Check the license (New Jersey 25MA06561200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1457349177
Name
John Hwang
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
25MA06561200 NJ
Self-reported in NPPES; status is on the state search
Practice location
24 Elm St, Harrington Park, NJ 07640
Phone
(201) 784-0123
Enumerated
Oct 6, 2005
Record last updated
Jan 2, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(201) 784-0065
Medicaid ID
8149402 NJ
Medicare enrollment
Enrolled (PECOS I20110207000249); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 24 Elm St

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

  1. Joanna Blanco, M.D.Internal Medicine Physician1588018816
  2. Donna BrunnquellNurse Practitioner1962667071
  3. Stephen Brunnquell, M.D.Internal Medicine Physician1740281310
  4. Hwa Choi, N.P.Adult Health Nurse Practitioner1083817225
  5. Seulkih D'Andrea, MDFamily Medicine Physician1023437092
  6. Tina FadilInternal Medicine Physician1932101516

Verify John Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA06561200
    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 New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.0 times the Medicare Part D claims of the average internal medicine physician in 2024

12,753 Medicare Part D claims for 821 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 61 claims were for opioids.

  1. John Hwang12,753
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium930 claims
  2. Amlodipine Besylate631 claims
  3. Levothyroxine Sodium490 claims
  4. Rosuvastatin Calcium480 claims
  5. Losartan Potassium335 claims
  6. Omeprazole299 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.

Industry payments in 2024: $9,212.66

184 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Hwang$9,212.66
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Medical Associates OF Englewood PCHarrington Park, NJ

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

John Hwang among 4,632 internal medicine physician records in New Jersey

John Hwang is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% 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, 92% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1994 · median 2000 among the 3,132 with a school on file
  • Record last updated2018 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 internal medicine physician records list a practice address in Harrington Park

They are 9 of the 57 NPPES records with a practice address in Harrington Park, and 4,632 internal medicine physician records in New Jersey.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joanna Blanco, M.D.Harrington Park, NJ 076401588018816
  2. Stephen Brunnquell, M.D.Harrington Park, NJ 076401740281310
  3. Tina FadilHarrington Park, NJ 076401932101516
  4. Gerald LeeHarrington Park, NJ 076401982692745
  5. Disha Patel, M.DHarrington Park, NJ 076401699919506
  6. Felicia Relkin, M.D.Harrington Park, NJ 076401720089303
  7. Mary Ann Schran, M.D.Harrington Park, NJ 076401609877281
  8. Peter SymingtonHarrington Park, NJ 076401629064837

Common questions

What is John Hwang's NPI number?

John Hwang's National Provider Identifier (NPI) is 1457349177, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Hwang located?

The NPPES record lists a practice address at 24 Elm St, Harrington Park, NJ, 07640. Phone: (201) 784-0123. Providers update this record themselves, so call before visiting.

How can I verify John Hwang's license?

NPPES lists New Jersey license number 25MA06561200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Hwang prescribe under Medicare Part D?

In 2024, John Hwang had 12,753 Medicare Part D claims for 821 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.