Shwu-Yn Chang, CRNP
- Medicare services, 2024
- 84
- Medicare patients, 2024
- 63
- Part D claims, 2024
- 1,066
- MIPS score, 2024
- 79
- Hospital affiliations
- 4
- Practice address
- 500 University Drive, Hershey, PA 17033
- Practice phone
- Call (717) 531-8521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Shwu-Yn Chang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Shwu-Yn Chang is a rheumatologist in Hershey, Pennsylvania
Shwu-Yn Chang practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State.
Shwu-Yn Chang's NPI, 1710520853, was assigned on October 22, 2019. Shwu-Yn Chang holds Pennsylvania license SP020842.
- NPI
- 1710520853NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587099791
- NPI enumeration date
- October 22, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 531-8521
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Shwu-Yn Chang practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania
Shwu-Yn Chang's primary practice is Penn State Health Milton S. Hershey Medical Center, at 500 University Drive, Hershey, PA 17033 in Dauphin County. The practice phone is (717) 531-8521.
- Penn State Health Milton S. Hershey Medical Center500 University Drive, Hershey, PA 17033 · Dauphin CountyPhone(717) 531-8521
Source: Dmand AI Affiliation Data
Shwu-Yn Chang is affiliated with 6 sites of care and 2 medical groups
Shwu-Yn Chang's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. Shwu-Yn Chang is also affiliated with Lancaster General Hospital. The medical group on file is Penn State Health Milton S. Hershey Medical Center. Dmand AI also links Shwu-Yn Chang to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Shwu-Yn Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Shwu-Yn Chang practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn State Health Milton S. Hershey Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Shwu-Yn Chang is one of 357 rheumatologists in Pennsylvania
Rheumatology is Shwu-Yn Chang's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Shwu-Yn Chang is licensed in Pennsylvania.
Specialties and state licenses
- Rheumatology, PennsylvaniaPrimary
Rheumatologists near Shwu-Yn Chang
Counts of rheumatologists 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
Shwu-Yn Chang billed Medicare for 84 services in 2024
CMS data shows 84 Medicare services from Shwu-Yn Chang across 2 procedure codes in 2024, all of them office visits, for 63 Medicare patients. Medicare paid $5,670 for them. Every service was in an office.
Shwu-Yn Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 882024: 845%
Shwu-Yn Chang compared with the Pennsylvania median for rheumatologists, 2024
- Shwu-Yn Chang
- Pennsylvania median
- Medicare services
- 84vs 1,16593% below
- Medicare patients
- 63vs 25675% below
- Part D claims
- 912vs 1,19023% below
Medians across 340 rheumatologists in Pennsylvania with Dmand AI profiles that report each measure.
Shwu-Yn 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
Shwu-Yn Chang treated 63 Medicare patients in 2024, average age 68
CMS counts 63 Medicare patients who saw Shwu-Yn Chang in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have arthritis, and 68% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.13, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Shwu-Yn Chang's median patient age at 65, with 79% women.
Shwu-Yn Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Shwu-Yn Chang's Medicare patients by sex, 2024
- Women4876%
- Men1524%
Chronic conditions among Shwu-Yn Chang's Medicare patients, 2024
- Arthritis75%
- High blood pressure68%
- High cholesterol68%
- Anxiety30%
- Mood disorders27%
- Depression25%
- Osteoporosis25%
- Diabetes24%
Share of Medicare patients with each condition. A patient can have several.
Shwu-Yn 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 65
Patient panel by sex, all payers
- Women79%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Shwu-Yn Chang wrote 1,066 Medicare Part D claims in 2024
In 2024, Shwu-Yn Chang wrote 1,066 Medicare Part D claims for 155 patients. 79% of them were for generic drugs. CMS names the drug for 912 of them, across 25 drugs with 11 or more claims each, at $717,205 in total drug cost. In 2023, CMS named 1,013 claims across 22 drugs.
Shwu-Yn Chang's Part D claims by kind of drug, 2024
- Generic839 claims79%
- Brand-name and other227 claims21%
Shwu-Yn 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 Shwu-Yn Chang's Part D claims, 2024
- Opioids6%59 of 1,066 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: 1,0132024: 91210%
Drugs named by CMS: 25 in 2024, 22 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
Shwu-Yn Chang scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Shwu-Yn Chang for performance year 2024, reported as part of a group. Shwu-Yn Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Shwu-Yn Chang's MIPS scores, performance year 2024
- 79of 100Final score
- 56.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 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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Sources for Shwu-Yn 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) |
| 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 Shwu-Yn 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 Shwu-Yn Chang's NPI number?
Shwu-Yn Chang's NPI number is 1710520853. It was assigned on October 22, 2019, and it is active in the NPI Registry.
What does Shwu-Yn Chang specialize in?
Shwu-Yn Chang is a rheumatologist in Hershey, Pennsylvania. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Shwu-Yn Chang practice?
Shwu-Yn Chang practices at 500 University Drive, Hershey, PA 17033. Shwu-Yn Chang's primary practice is Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania, part of Penn State. Dmand AI also links Shwu-Yn Chang to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Shwu-Yn Chang's office phone number?
The practice phone on file for Shwu-Yn Chang is (717) 531-8521.
What is Shwu-Yn Chang's medical license number?
Shwu-Yn Chang holds Pennsylvania license SP020842.
Which hospitals is Shwu-Yn Chang affiliated with?
Shwu-Yn Chang practices at Penn State Health Milton S. Hershey Medical Center in Hershey, Pennsylvania. Shwu-Yn Chang is also affiliated with Lancaster General Hospital. Dmand AI links Shwu-Yn Chang to 2 more hospitals.
What medical group is Shwu-Yn Chang part of?
Shwu-Yn Chang is linked to Penn State Health Milton S. Hershey Medical Center. Dmand AI links Shwu-Yn Chang to 1 more medical group.
Does Shwu-Yn Chang accept Medicare?
Yes. CMS data shows Shwu-Yn Chang billed Medicare for 84 services in 2024, and Shwu-Yn Chang accepts Medicare assignment.
What is Shwu-Yn Chang's MIPS score?
Shwu-Yn Chang's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Shwu-Yn Chang see?
CMS counts 63 Medicare patients who saw Shwu-Yn Chang in 2024, with an average age of 68.
Show 3 more questionsShow fewer questions
What services does Shwu-Yn Chang bill to Medicare?
In 2024, Shwu-Yn Chang's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99215).
What drugs does Shwu-Yn Chang prescribe most?
In 2024 Medicare Part D data, Shwu-Yn Chang's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
How long has Shwu-Yn Chang been practicing?
Shwu-Yn Chang graduated from medical school in 2019, 7 years ago.
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