Shwu-Yn Chang, CRNP
Rheumatology Physician · Middletown, PA
Shwu-Yn Chang, CRNP is a rheumatology physician with a practice address in Middletown, Pennsylvania, and NPI 1710520853, issued on Oct 22, 2019. Check the license (Pennsylvania SP020842, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Shwu-Yn Chang
- Credential
- CRNP
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- SP020842 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Schoolhouse RD, Middletown, PA 17057
- Phone
- (717) 531-5384
- Enumerated
- Oct 22, 2019
- Record last updated
- Oct 22, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (717) 948-0488
- Medicare enrollment
- Enrolled (PECOS I20200116001335); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3100 Schoolhouse RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carol Baase, MDFamily Medicine Physician1902861743
- Amy Byler, CRNPFamily Nurse Practitioner1366877482
- Gwendolyn Curry, MDFamily Medicine Physician1891750634
- William Curry, MDFamily Medicine Physician1912962754
- Angel Escobar, PA-CMedical Physician Assistant1790653756
- Michael Fedor, CRNPNurse Practitioner1477647899
Verify Shwu-Yn Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license SP020842Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,066 Medicare Part D claims for 155 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 59 claims were for opioids.
Most prescribed
- Methotrexate128 claims
- Prednisone123 claims
- Hydroxychloroquine Sulfate99 claims
- Meloxicam75 claims
- Sulfasalazine72 claims
- Humira(Cf) Pen59 claims
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 71.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Milton S Hershey Medical Center Physicians GroupHershey, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 rheumatology physician records list a practice address in Middletown
They are 2 of the 194 NPPES records with a practice address in Middletown, and 413 rheumatology physician records in Pennsylvania.
All 2 in Middletown → All 413 in Pennsylvania → Every provider in Middletown →
Other rheumatology physician records in Pennsylvania
- Shady Abdelbaki, M.D.Pottstown, PA1003270414
- Shahrzad Abdollahi, M.D.Philadelphia, PA1518494178
- John Abruzzo, M.D.Bala Cynwyd, PA1396768040
- Ravi Acharya, M.D.Gettysburg, PA1700801040
- Antonio AchkarPittsburgh, PA1770555922
- Sandhya Adusumilli, M.D.Lancaster, PA1194706143
- Manushi Aggarwal, MDErie, PA1245751676
- Rohit Aggarwal, M.D.Pittsburgh, PA1538340138
- Ghada Metwally Ahmed Elsayed, M.D.Blairsville, PA1225470701
- Ghassan Al-Qaysi, MDCamp Hill, PA1891373668
Common questions
What is Shwu-Yn Chang, CRNP's NPI number?
Shwu-Yn Chang, CRNP's National Provider Identifier (NPI) is 1710520853, issued on Oct 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Shwu-Yn Chang, CRNP located?
The NPPES record lists a practice address at 3100 Schoolhouse RD, Middletown, PA, 17057. Phone: (717) 531-5384. Providers update this record themselves, so call before visiting.
How can I verify Shwu-Yn Chang, CRNP's license?
NPPES lists Pennsylvania license number SP020842, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Shwu-Yn Chang, CRNP prescribe under Medicare Part D?
In 2024, Shwu-Yn Chang, CRNP had 1,066 Medicare Part D claims for 155 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Shwu-Yn Chang, CRNP's MIPS final score?
The 2023 MIPS final score is 71.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.