J Otolaryngol Head Neck Surg
Administration, TopicalBlood Loss, SurgicalDouble-Blind Method
Dr. Eun Hae Chang, MD
NPI1023484052PAC ID8426365685
- Medicare services, 2024
- 490
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 256
- Publications
- 2
- Industry payments
- $901
- Practice address
- 179 Ave At The Cmn, Shrewsbury, NJ 07702
- Practice phone
- Call (732) 380-0200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Doctor's Surgical Center of NJ
Shrewsbury, New Jersey
Find Dr. Chang's professional email, personal email and mobile number
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Dr. Eun Hae Chang is an otolaryngologist in Shrewsbury, New Jersey
Dr. Chang practices at Doctor's Surgical Center of NJ in Shrewsbury, New Jersey.
Dr. Chang's NPI, 1023484052, was assigned on August 13, 2015. Dr. Chang graduated from McGill University Faculty of Medicine in 2007. Dr. Chang holds New Jersey license 25MA10729500.
NPI and contact details
- NPI
- 1023484052NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426365685
- NPI enumeration date
- August 13, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (732) 380-0200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eun Hae Chang practices at Doctor's Surgical Center of NJ in Shrewsbury, New Jersey
Dr. Chang's primary practice is Doctor's Surgical Center of NJ, at 179 Ave At The Cmn, Shrewsbury, NJ 07702 in Monmouth County. The practice phone is (732) 380-0200.
- Doctor's Surgical Center of NJ179 Ave At The Cmn, Shrewsbury, NJ 07702 · Monmouth CountyPhone(732) 380-0200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eun Hae Chang is affiliated with 3 sites of care and 1 medical group
Dr. Chang's primary practice is Doctor's Surgical Center of NJ in Shrewsbury, New Jersey. The medical group on file is Liberty Med Associates. Dmand AI also links Dr. Chang to 1 more physician office and 1 group practice or clinic, each named with a free account.
Doctor's Surgical Center of NJPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eun Hae Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Doctor's Surgical Center of NJ | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eun Hae Chang is one of 230 otolaryngologists in New Jersey
Otolaryngology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Chang is licensed in New Jersey.
Specialties and state licenses
- Otolaryngology, New JerseyPrimary
Otolaryngologists near Dr. Chang
Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.
230otolaryngologists in New Jersey
4otolaryngologists in Shrewsbury
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Eun Hae Chang billed Medicare for 490 services in 2024
CMS data shows 490 Medicare services from Dr. Chang across 8 procedure codes in 2024, for 160 Medicare patients. Medicare paid $40,702 for them. Every service was in an office.
Medicare services, 2024490
Medicare patients160
Paid by Medicare$40,702
Procedure codes8
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2492024: 30623%
- Surgery
- 2023: 1822024: 16112%
- Tests and treatments
- 2023: 02024: 23
Dr. Chang compared with the New Jersey median for otolaryngologists, 2024
- Dr. Chang
- New Jersey median
- Medicare services
- 490vs 91747% below
- Medicare patients
- 160vs 40761% below
- Part D claims
- 216vs 27421% below
Medians across 233 otolaryngologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Chang'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.
Need commercial claims for Dr. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other otolaryngologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eun Hae Chang treated 160 Medicare patients in 2024, average age 75
CMS counts 160 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 68, with 57% women.
Medicare patients, 2024160
Average age75
Average risk score1.02
Dr. Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chang's Medicare patients by sex, 2024
- Women10666%
- Men5434%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis59%
- Ischemic heart disease34%
- Diabetes31%
- Anxiety29%
- Mood disorders23%
- Osteoporosis23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang'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
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eun Hae Chang wrote 256 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 256 Medicare Part D claims for 111 patients. 93% of them were for generic drugs. CMS names the drug for 216 of them, across 7 drugs with 11 or more claims each, at $6,196 in total drug cost. In 2023, CMS named 106 claims across 5 drugs.
Part D claims, 2024256
Drugs named by CMS7
Total drug cost$6,196
Part D patients111
Dr. Chang's Part D claims by kind of drug, 2024
- Generic238 claims93%
- Brand-name18 claims7%
Dr. Chang'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 Dr. Chang's Part D claims, 2024
- Antibiotics18%45 of 256 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1062024: 216104%
Drugs named by CMS: 7 in 2024, 5 in 2023.
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
How Dr. Eun Hae Chang takes part in Medicare
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Eun Hae Chang has 2 publications on record
Dmand AI links 2 papers to Dr. Chang in 2015. Dr. Chang's most frequent co-author is Christopher Charles Gillis, MD.
Papers2
Dr. Chang's most frequent co-authors
Recent publications by Dr. Chang
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Eun Hae Chang received $901 in industry payments from 2016 to 2021
CMS Open Payments shows 13 general payments to Dr. Chang from 5 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $490.
General payments to Dr. Chang by program year, 2016 to 2021
Companies that paid Dr. Chang the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eun Hae Chang graduated from McGill University Faculty of Medicine
Dr. Chang graduated from McGill University Faculty of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eun Hae Chang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Eun Hae Chang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Eun Hae Chang's NPI number?
Dr. Eun Hae Chang's NPI number is 1023484052. It was assigned on August 13, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Eun Hae Chang?
Dr. Eun Hae Chang is an otolaryngologist in Shrewsbury, New Jersey. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Eun Hae Chang practice?
Dr. Chang practices at 179 Ave At The Cmn, Shrewsbury, NJ 07702. Dr. Chang's primary practice is Doctor's Surgical Center of NJ in Shrewsbury, New Jersey. Dmand AI also links Dr. Chang to 1 physician office and 1 group practice or clinic.
What is Dr. Eun Hae Chang's office phone number?
The practice phone on file for Dr. Chang is (732) 380-0200.
What is Dr. Eun Hae Chang's medical license number?
Dr. Chang holds New Jersey license 25MA10729500.
What medical group is Dr. Eun Hae Chang part of?
Dr. Chang is linked to Liberty Med Associates.
Does Dr. Eun Hae Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 490 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. Eun Hae Chang see?
CMS counts 160 Medicare patients who saw Dr. Chang in 2024, with an average age of 75.
What services does Dr. Eun Hae Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were office visit, established patient (99214), surgery: ear (69210) and office visit, new patient (99204).
Where did Dr. Eun Hae Chang go to medical school?
Dr. Chang graduated from McGill University Faculty of Medicine in 2007.
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What drugs does Dr. Eun Hae Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Omeprazole, Famotidine and Ciprofloxacin-Dexamethasone.
Has Dr. Eun Hae Chang received payments from drug or device companies?
CMS Open Payments shows $901 in general payments to Dr. Chang from 5 companies from 2016 to 2021. The largest total came from Medtronic USA, Inc.
How long has Dr. Eun Hae Chang been practicing?
Dr. Chang graduated from medical school in 2007, 19 years ago.
Does Dr. Eun Hae Chang do research?
Dmand AI links 2 publications to Dr. Chang.
Who does Dr. Eun Hae Chang publish with?
Dr. Chang's most frequent co-authors are Christopher Charles Gillis, MD (1 shared paper).
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