Paul P. Chiang, MD
Geriatric Medicine (Internal Medicine) Physician · Wheaton, IL
Paul P. Chiang, MD is a geriatric medicine (internal medicine) physician with a practice address in Wheaton, Illinois, and NPI 1902831696, issued on Jul 11, 2006. Check the license (Illinois 036091803, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Paul P. Chiang
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- 036091803 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1800 N Main St, Wheaton, IL 60187
- Phone
- (630) 614-4960
- Enumerated
- Jul 11, 2006
- Record last updated
- Feb 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (630) 682-3727
- Entity
- Type 1 · individual
Also registered at 1800 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Cornwell, MDFamily Medicine Physician1386679082
- Megan Flahive, D.O.Obstetrics & Gynecology Physician1114218799
- Marla Krueger, CNMNurse Practitioner1407855919
- Heidi Mathew, APNNurse Practitioner1073944922
- Maryanne Miller, MDInternal Medicine Physician1275500613
- Stephanie Pearson, MDObstetrics & Gynecology Physician1043949951
Verify Paul P. Chiang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036091803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
6,582 Medicare Part D claims for 343 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 250 claims were for opioids.
Most prescribed
- Atorvastatin Calcium343 claims
- Levothyroxine Sodium270 claims
- Amlodipine Besylate218 claims
- Lisinopril173 claims
- Metoprolol Succinate168 claims
- Pantoprazole Sodium160 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 MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Illinois
There are 179 geriatric medicine (internal medicine) physician records in Illinois.
Other geriatric medicine (internal medicine) physician records in Illinois
- Jabeen Abutalib, M.D.North Chicago, IL1750505608
- Ala Albazzaz, M.D.Glen Ellyn, IL1134362833
- Ann Allie, M.D.Chicago, IL1619162955
- Robert Alter, M.D.Chicago, IL1821064585
- Alejandro Aparicio, M.D.Chicago, IL1669699716
- Kimberley Armour, APRN FPA, AGPCNP-CAuburn, IL1609553007
- Khaja Asadullah, M.D.Frankfort, IL1578515409
- Joseph Asbury, M.D.Chicago, IL1730114612
- Hima Atluri, MDDecatur, IL1609866052
- Vyjayanthi Atluri, MDBurr Ridge, IL1023067311
Common questions
What is Paul P. Chiang, MD's NPI number?
Paul P. Chiang, MD's National Provider Identifier (NPI) is 1902831696, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul P. Chiang, MD located?
The NPPES record lists a practice address at 1800 N Main St, Wheaton, IL, 60187. Phone: (630) 614-4960. Providers update this record themselves, so call before visiting.
How can I verify Paul P. Chiang, MD's license?
NPPES lists Illinois license number 036091803, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Paul P. Chiang, MD prescribe under Medicare Part D?
In 2024, Paul P. Chiang, MD had 6,582 Medicare Part D claims for 343 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Paul P. Chiang, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. 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.