Alexander Richard Chang, M.D.
Nephrology Physician · Danville, PA
Alexander Richard Chang, M.D. is a nephrology physician with a practice address in Danville, Pennsylvania, and NPI 1407016967, issued on Jun 9, 2008. Check the license (Pennsylvania MD449683, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Alexander Richard Chang
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD449683 PA
125053196 IL
Self-reported in NPPES; status is on the state search - Practice location
- 100 N Academy Ave, Danville, PA 17822
- Phone
- (570) 271-6393
- Enumerated
- Jun 9, 2008
- Record last updated
- Aug 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (570) 271-5623
- Medicare enrollment
- Enrolled (PECOS I20131108000172); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 651 in Pennsylvania → Look up another NPI →
Also registered at 100 N Academy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paige AaronStudent in an Organized Health Care Education/Training Program1730976218
- Zainab AbdulhuseinGeneral Practice Dentistry1851108419
- Kristin AblineRegistered Nurse1174368757
- Clara Abouelsaad, DOStudent in an Organized Health Care Education/Training Program1013610062
- Dana Achenbach, PHARMDPharmacist1528612975
- Maisa AdamAnatomic Pathology & Clinical Pathology Physician1568306512
Verify Alexander Richard Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD449683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average nephrology physician in 2024
1,171 Medicare Part D claims for 228 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amlodipine Besylate127 claims
- Lisinopril101 claims
- Losartan Potassium101 claims
- Jardiance65 claims
- Spironolactone65 claims
- Torsemide63 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: $91.97
4 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Geisinger ClinicDanville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Richard Chang among 651 nephrology physician records in Pennsylvania
Alexander Richard Chang, M.D. is one of 651 nephrology physician records with a practice address in Pennsylvania. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 35% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2007 · median 2001 among the 468 with a school on file
- Record last updated2020 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Pennsylvania
There are 651 nephrology physician records in Pennsylvania.
All 651 in Pennsylvania → Every provider in Danville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Prince Anand, M.DDanville, PA 178221437310968
- Atul Bali, MDDanville, PA 178221457665622
- Joseph Bisordi, M.D.Danville, PA 178221295711505
- Ion Bucaloiu, M.D.Danville, PA 178221013982065
- Bhargavi Degapudi, MDDanville, PA 178221033384706
- Jamie Green, MDDanville, PA 178221992826465
- James Hartle, M.D.Danville, PA 178221619946928
- Kevin Ho, MDDanville, PA 178221518930239
Common questions
What is Alexander Richard Chang, M.D.'s NPI number?
Alexander Richard Chang, M.D.'s National Provider Identifier (NPI) is 1407016967, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Richard Chang, M.D. located?
The NPPES record lists a practice address at 100 N Academy Ave, Danville, PA, 17822. Phone: (570) 271-6393. Providers update this record themselves, so call before visiting.
How can I verify Alexander Richard Chang, M.D.'s license?
NPPES lists Pennsylvania license number MD449683, 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 Alexander Richard Chang, M.D. prescribe under Medicare Part D?
In 2024, Alexander Richard Chang, M.D. had 1,171 Medicare Part D claims for 228 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.