Hong K. Ng

  • Port Jefferson, NY
  • Internist
NPI1205299906PAC ID0941547327
Medicare services, 2024
1,561
Medicare patients, 2024
846
Part D claims, 2024
182
Publications
20
MIPS score, 2024
93
Practice address
75 North Country Road, Port Jefferson, NY 11777
Practice phone
Call (631) 473-1320
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mather Hospital

Hospital · Port Jefferson, New York

See all 3 affiliations

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Hong K. Ng is an internist in Port Jefferson, New York

Hong Ng practices at Mather Hospital in Port Jefferson, New York, part of Northwell Health.

Hong Ng's NPI, 1205299906, was assigned on March 30, 2016. Hong Ng graduated from St. George's University School of Medicine in 2016. Hong Ng holds New York license 300475.

NPI and contact details
Medicare PAC ID
0941547327
NPI enumeration date
March 30, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(631) 473-1320
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Hong K. Ng practices at Mather Hospital in Port Jefferson, New York

Hong Ng's primary practice is Mather Hospital, at 75 North Country Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 473-1320.

  • Mather Hospital
    75 North Country Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 473-1320

Source: Dmand AI Affiliation Data

Hong K. Ng is affiliated with 2 sites of care and 1 medical group

Hong Ng's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. The medical group on file is Mather Hospital. Dmand AI also links Hong Ng to 1 more skilled nursing facility, named with a free account.

See all 3 affiliations for Hong Ng

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Hong K. Ng's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Hong Ng practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mather HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Hong K. Ng is one of 9,643 internists in New York

Internal medicine is Hong Ng's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Hong Ng is licensed in New York.

Specialties and state licenses

  • Internal medicine, New YorkPrimaryLicense 300475 · taxonomy 207R00000X

Internists near Hong Ng

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Hong K. Ng billed Medicare for 1,561 services in 2024

CMS data shows 1,561 Medicare services from Hong Ng across 10 procedure codes in 2024, for 846 Medicare patients. Medicare paid $136,514 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,561
Medicare patients846
Paid by Medicare$136,514
Procedure codes10

Hong Ng's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,2312024: 1,56127%

Hong Ng compared with the New York median for internists, 2024

  • Hong Ng
  • New York median
Medicare services
1,561vs 4263.7 times
Medicare patients
846vs 1585.4 times
Part D claims
64vs 62290% below

Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.

Hong Ng's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Hong Ng

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Medicare shows one payer. Book a meeting to get commercial claims data for Hong Ng and other internists in New York.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Hong K. Ng treated 846 Medicare patients in 2024, average age 78

CMS counts 846 Medicare patients who saw Hong Ng in 2024. The largest group is 75 to 84, with 339 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Hong Ng's median patient age at 68, with 50% women.

Medicare patients, 2024846
Average age78
Average risk score2.54
Also on Medicaid23%

Hong Ng's Medicare patients by age, 2024

Hong Ng's Medicare patients by sex, 2024

  • Women48858%
  • Men35842%

Chronic conditions among Hong Ng's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis68%
  4. Ischemic heart disease63%
  5. Anxiety48%
  6. Diabetes48%
  7. Mood disorders48%
  8. Chronic kidney disease45%

Share of Medicare patients with each condition. A patient can have several.

Hong Ng's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women50%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Hong K. Ng wrote 182 Medicare Part D claims in 2024

In 2024, Hong Ng wrote 182 Medicare Part D claims for 101 patients. 91% of them were for generic drugs. CMS names the drug for 64 of them, across 4 drugs with 11 or more claims each, at $678 in total drug cost. In 2018, CMS named 128 claims across 9 drugs.

Part D claims, 2024182
Drugs named by CMS4
Total drug cost$678
Part D patients101

Hong Ng's Part D claims by kind of drug, 2024

  • Generic165 claims91%
  • Brand-name17 claims9%

Hong Ng's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Hong Ng's Part D claims, 2024

  • Antibiotics27%50 of 182 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 1282024: 6450%

Drugs named by CMS: 4 in 2024, 9 in 2018.

See all prescribing by Hong Ng

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Hong K. Ng scored 93 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Hong Ng for performance year 2024, reported through an alternative payment model (APM). Hong Ng accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Hong Ng's MIPS scores, performance year 2024

  • 93of 100Final score
  • 79.8of 100Quality
  • 89of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Hong K. Ng has 20 publications on record

Dmand AI links 20 papers to Hong Ng, published from 2012 to 2025. 2024 was the busiest year, with 4. The most frequent topics are DNA Methylation, Asian People and Genome-Wide Association Study. Hong Ng has published most often in medRxiv. Hong Ng's most frequent co-authors are James Abbott, MD, David Michael Ashley, MBBS, PhD and Thomas Peter Cappola, MD.

Papers20
Years published2012 to 2025

Hong Ng's papers by year, 2012 to 2025

Topics Hong Ng writes about most

  • DNA Methylation
  • Asian People
  • Genome-Wide Association Study
  • Diabetes Mellitus, Type 2
  • Epigenesis, Genetic
  • Obesity
  • Cardiovascular Diseases
  • Epigenome

Hong Ng's most frequent co-authors

Recent publications by Hong Ng

See all 20 publications and co-authors

See who Hong Ng researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Hong Ng works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Hong K. Ng received $15 in industry payments in 2021

CMS Open Payments shows 1 general payment to Hong Ng from 1 drug or device company in 2021. Food and beverage make up the largest share, 100% of the total. Philips Electronics North America Corporation paid the most, $15.

Companies that paid Hong Ng the most, 2021 to 2021

Share is of all general payments to this clinician.

See all payments to Hong Ng

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Hong K. Ng graduated from St. George's University School of Medicine

Hong Ng graduated from St. George's University School of Medicine in 2016.

  1. Medical schoolSt. George's University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Hong K. Ng's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Hong K. Ng

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Hong K. Ng's NPI number?

Hong K. Ng's NPI number is 1205299906. It was assigned on March 30, 2016, and it is active in the NPI Registry.

What does Hong K. Ng specialize in?

Hong K. Ng is an internist in Port Jefferson, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Hong K. Ng practice?

Hong Ng practices at 75 North Country Road, Port Jefferson, NY 11777. Hong Ng's primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. Dmand AI also links Hong Ng to 1 skilled nursing facility.

What is Hong K. Ng's office phone number?

The practice phone on file for Hong Ng is (631) 473-1320.

What is Hong K. Ng's medical license number?

Hong Ng holds New York license 300475.

Which hospitals is Hong K. Ng affiliated with?

Hong Ng practices at Mather Hospital in Port Jefferson, New York.

What medical group is Hong K. Ng part of?

Hong Ng is linked to Mather Hospital.

Does Hong K. Ng accept Medicare?

Yes. CMS data shows Hong Ng billed Medicare for 1,561 services in 2024, and Hong Ng accepts Medicare assignment.

What is Hong K. Ng's MIPS score?

Hong Ng's MIPS final score for performance year 2024 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Hong K. Ng see?

CMS counts 846 Medicare patients who saw Hong Ng in 2024, with an average age of 78.

Show 7 more questionsShow fewer questions

What services does Hong K. Ng bill to Medicare?

In 2024, Hong Ng's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99231).

Where did Hong K. Ng go to medical school?

Hong Ng graduated from St. George's University School of Medicine in 2016.

What drugs does Hong K. Ng prescribe most?

In 2024 Medicare Part D data, Hong Ng's most prescribed drugs by claims were Prednisone, Pantoprazole Sodium and Cefpodoxime Proxetil.

Has Hong K. Ng received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Hong Ng from 1 company from 2021 to 2021. The largest total came from Philips Electronics North America Corporation.

How long has Hong K. Ng been practicing?

Hong Ng graduated from medical school in 2016, 10 years ago.

Does Hong K. Ng do research?

Dmand AI links 20 publications to Hong Ng, published from 2012 to 2025.

Who does Hong K. Ng publish with?

Hong Ng's most frequent co-authors are James Abbott, MD (1 shared paper), David Michael Ashley, MBBS, PhD (1 shared paper) and Thomas Peter Cappola, MD (1 shared paper).

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