Dr. Eric Chang, DO
- Medicare services, 2024
- 1,321
- Medicare patients, 2024
- 427
- Part D claims, 2024
- 375
- MIPS score, 2024
- 61
- Hospital affiliations
- 2
- Practice address
- 5400 South Rainbow Blvd, Las Vegas, NV 89118
- Practice phone
- Call (702) 853-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chang's professional email, personal email and mobile number
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Dr. Eric Chang is an internist in Las Vegas, Nevada
Dr. Chang practices at Spring Valley Hospital Medical Center in Las Vegas, Nevada, part of Universal Health Services.
Dr. Chang's NPI, 1649807868, was assigned on March 26, 2020. Dr. Chang holds Nevada license DO3311.
- NPI
- 1649807868NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244654374
- NPI enumeration date
- March 26, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (702) 853-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Chang practices at Spring Valley Hospital Medical Center in Las Vegas, Nevada
Dr. Chang's primary practice is Spring Valley Hospital Medical Center, at 5400 South Rainbow Blvd, Las Vegas, NV 89118 in Clark County. The practice phone is (702) 853-3000.
- Spring Valley Hospital Medical Center5400 South Rainbow Blvd, Las Vegas, NV 89118 · Clark CountyPhone(702) 853-3000
Source: Dmand AI Affiliation Data
Dr. Eric Chang is affiliated with 3 sites of care and 1 medical group
Dr. Chang's primary practice is Spring Valley Hospital Medical Center in Las Vegas, Nevada, part of Universal Health Services. The medical group on file is Platinum Hospitalists. Dmand AI also links Dr. Chang to 1 more hospital and 1 clinical lab, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eric Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Spring Valley Hospital Medical Center | 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. Eric Chang is one of 1,019 internists in Nevada
Internal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chang is licensed in Nevada.
Specialties and state licenses
- Internal medicine, NevadaPrimary
Internists near Dr. Chang
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
Dr. Eric Chang billed Medicare for 1,321 services in 2024
CMS data shows 1,321 Medicare services from Dr. Chang across 6 procedure codes in 2024, for 427 Medicare patients. Medicare paid $112,393 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3932024: 1,299231%
- Other services
- 2023: 02024: 22
Dr. Chang compared with the Nevada median for internists, 2024
- Dr. Chang
- Nevada median
- Medicare services
- 1,321vs 5202.5 times
- Medicare patients
- 427vs 1912.2 times
- Part D claims
- 132vs 36464% below
Medians across 935 internists in Nevada 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Chang treated 427 Medicare patients in 2024, average age 76
CMS counts 427 Medicare patients who saw Dr. Chang in 2024. The largest group is 75 to 84, with 174 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 74, with 49% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women24457%
- Men18343%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes48%
- Ischemic heart disease48%
- Chronic kidney disease46%
- Heart failure44%
- Anxiety41%
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 74
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Chang wrote 375 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 375 Medicare Part D claims for 160 patients. 90% of them were for generic drugs. CMS names the drug for 132 of them, across 8 drugs with 11 or more claims each, at $7,825 in total drug cost. In 2023, CMS named 23 claims across 2 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic337 claims90%
- Brand-name and other38 claims10%
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
- Opioids3%13 of 375 claims
- Antibiotics25%94 of 375 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: 232024: 132474%
Drugs named by CMS: 8 in 2024, 2 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
Dr. Eric Chang scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chang's MIPS scores, performance year 2024
- 61of 100Final score
- 36.7of 100Quality
- 40of 100Improvement Activities
- 62of 100Cost
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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Dr. Eric Chang received $24 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $24.
Companies that paid Dr. Chang the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Eric 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Eric 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. Eric Chang's NPI number?
Dr. Eric Chang's NPI number is 1649807868. It was assigned on March 26, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Chang?
Dr. Eric Chang is an internist in Las Vegas, Nevada. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Eric Chang practice?
Dr. Chang practices at 5400 South Rainbow Blvd, Las Vegas, NV 89118. Dr. Chang's primary practice is Spring Valley Hospital Medical Center in Las Vegas, Nevada, part of Universal Health Services. Dmand AI also links Dr. Chang to 1 hospital and 1 clinical lab.
What is Dr. Eric Chang's office phone number?
The practice phone on file for Dr. Chang is (702) 853-3000.
What is Dr. Eric Chang's medical license number?
Dr. Chang holds Nevada license DO3311.
Which hospitals is Dr. Eric Chang affiliated with?
Dr. Chang practices at Spring Valley Hospital Medical Center in Las Vegas, Nevada. Dmand AI links Dr. Chang to 1 more hospital.
What medical group is Dr. Eric Chang part of?
Dr. Chang is linked to Platinum Hospitalists.
Does Dr. Eric Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 1,321 services in 2024, and Dr. Chang accepts Medicare assignment.
What is Dr. Eric Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Eric Chang see?
CMS counts 427 Medicare patients who saw Dr. Chang in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Eric Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
What drugs does Dr. Eric Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Cefdinir, Pantoprazole Sodium and Amoxicillin-Clavulanate Potass.
Has Dr. Eric Chang received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Chang from 1 company from 2023 to 2023. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Eric Chang been practicing?
Dr. Chang graduated from medical school in 2020, 6 years ago.
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