Margaret Uy Chung, M.D.
Infectious Disease Physician · Toms River, NJ
Margaret Uy Chung, M.D. is an infectious disease physician with a practice address in Toms River, New Jersey, and NPI 1578526489, issued on Apr 11, 2006. Check the license (New Jersey 25MA06050800, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Margaret Uy Chung
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 25MA06050800 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 20 Hospital Dr, Toms River, NJ 08755
- Phone
- (732) 797-1979
- Enumerated
- Apr 11, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (732) 797-1979
- Medicaid ID
- 7193602 NJ
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 375 in New Jersey → Look up another NPI →
Also registered at 20 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia Comerford, APNPsychiatric/Mental Health Nurse Practitioner1477875698
- Charles Dume, APNPrimary Care Nurse Practitioner1992656631
- Susan Finkelstein, LCSWClinical Social Worker1568669141
- Edward Fiore Md PaFamily Medicine Physician1043300817
- Rakesh Gupta, M.D.Interventional Cardiology Physician1972554020
- Leanna HaynesSocial Worker1053889337
Verify Margaret Uy Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA06050800Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average infectious disease physician in 2024
24 Medicare Part D claims for 11 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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: $18.67
1 payment: food and beverage; the largest payer was Abbvie Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Margaret Uy Chung among 375 infectious disease physician records in New Jersey
Margaret Uy Chung, M.D. is one of 375 infectious disease physician records with a practice address in New Jersey. 87% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 49% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in New Jersey
There are 375 infectious disease physician records in New Jersey.
All 375 in New Jersey → Every provider in Toms River → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Isabel Guerrero, MDToms River, NJ 087551568456580
- Travis Hendricks, D.O.Toms River, NJ 087551487911012
- Olivia Ortiz, M.D.Toms River, NJ 087551225191992
- Evelyn Tiu, M.D.Toms River, NJ 087551750335253
- David Kleinfeld, M.D.Brielle, NJ 087301881605491
- Bassam Hasan, MDBrick, NJ 087241346246097
- Geza Ruszka, MEDICAL DOCTORBrick, NJ 087241831271063
- Jacob Scutaru, MDLakewood, NJ 087011497195515
Common questions
What is Margaret Uy Chung, M.D.'s NPI number?
Margaret Uy Chung, M.D.'s National Provider Identifier (NPI) is 1578526489, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Uy Chung, M.D. located?
The NPPES record lists a practice address at 20 Hospital Dr, Toms River, NJ, 08755. Phone: (732) 797-1979. Providers update this record themselves, so call before visiting.
How can I verify Margaret Uy Chung, M.D.'s license?
NPPES lists New Jersey license number 25MA06050800, 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 Margaret Uy Chung, M.D. prescribe under Medicare Part D?
In 2024, Margaret Uy Chung, M.D. had 24 Medicare Part D claims for 11 beneficiaries; the average among infectious disease physician prescribers was 689. 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.