Richard S. Chang, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Allentown, PA
Richard S. Chang, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Allentown, Pennsylvania, and NPI 1942240619, issued on Jun 8, 2006. Check the license (Pennsylvania MD421996, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Richard S. Chang
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- MD421996 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1250 S Cedar Crest Blvd Ste 310, Allentown, PA 18103
- Phone
- (610) 402-6890
- Enumerated
- Jun 8, 2006
- Record last updated
- Mar 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (610) 402-6892
- Medicaid IDs
- 1016692650003 PA
1016692650001 PA
1016692650002 PA - Medicare enrollment
- Enrolled (PECOS I20060905000068); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 377 in Pennsylvania → Look up another NPI →
Also registered at 1250 S Cedar Crest Blvd Ste 310
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ian Chapman, AGACNPAcute Care Nurse Practitioner1083128417
- Justine De Pena, CRNPFamily Nurse Practitioner1144079211
- Laszlo Fuzesi, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1053305581
- Eliza Giannetti, PA-CPhysician Assistant1669357026
- Mary KamauGerontology Nurse Practitioner1063387926
- Scott Lange, PASurgical Physician Assistant1104801315
Verify Richard S. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD421996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
30 Medicare Part D claims for 27 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Cephalexin11 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.
Industry payments in 2024: $4,111.73
20 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lehigh Valley Physician GroupAllentown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Richard S. Chang among 377 thoracic surgery (cardiothoracic vascular surgery) physician records in Pennsylvania
Richard S. Chang, M.D. is one of 377 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Pennsylvania. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1995 · median 1998 among the 223 with a school on file
- Record last updated2018 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Pennsylvania
There are 377 thoracic surgery (cardiothoracic vascular surgery) physician records in Pennsylvania.
All 377 in Pennsylvania → Every provider in Allentown → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Joseph Bavaria, MDAllentown, PA 181031235186073
- Edward Frick, M.D.Allentown, PA 181031972575637
- Laszlo Fuzesi, MDAllentown, PA 181031053305581
- Sanjay Mehta, MDAllentown, PA 181031760449128
- Timothy Misselbeck, MDAllentown, PA 181031134399801
- Ahmed Nassar, MDAllentown, PA 181031922329622
- Theodore Phillips, MDAllentown, PA 181031710938725
- Raymond Singer, MDAllentown, PA 181031407807456
Common questions
What is Richard S. Chang, M.D.'s NPI number?
Richard S. Chang, M.D.'s National Provider Identifier (NPI) is 1942240619, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard S. Chang, M.D. located?
The NPPES record lists a practice address at 1250 S Cedar Crest Blvd Ste 310, Allentown, PA, 18103. Phone: (610) 402-6890. Providers update this record themselves, so call before visiting.
How can I verify Richard S. Chang, M.D.'s license?
NPPES lists Pennsylvania license number MD421996, 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 Richard S. Chang, M.D. prescribe under Medicare Part D?
In 2024, Richard S. Chang, M.D. had 30 Medicare Part D claims for 27 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
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.