Benjamin Jeng-Shing Wang, MD PHD
Internal Medicine Physician · Calumet City, IL
Benjamin Jeng-Shing Wang, MD PHD is an internal medicine physician with a practice address in Calumet City, Illinois, and NPI 1962496182, issued on Sep 2, 2005. Check the license (Illinois 036061248, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Benjamin Jeng-Shing Wang
- Credential
- MD PHD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036061248 IL
Self-reported in NPPES; status is on the state search - Practice location
- 80 River Oaks, Calumet City, IL 60409
- Phone
- (708) 862-5783
- Enumerated
- Sep 2, 2005
- Record last updated
- Jan 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (708) 862-5784
- Medicaid ID
- 036061248 IL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Benjamin Jeng-Shing Wang 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 036061248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
24 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Benjamin Jeng-Shing Wang among 7,238 internal medicine physician records in Illinois
Benjamin Jeng-Shing Wang, MD PHD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2010 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 internal medicine physician records list a practice address in Calumet City
They are 6 of the 239 NPPES records with a practice address in Calumet City, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Calumet City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nirav Chudgar, MDCalumet City, IL 604091780763805
- Pinakinprasad Dave, M.D.Calumet City, IL 604091720196876
- Cynthia Goldman, M.D.Calumet City, IL 604091447246111
- Prabhakar Parikh, M.D.Calumet City, IL 604091417067778
- Luis Suarez- Fernandez, MDCalumet City, IL 604091083113104
- Lawton Moy, M.D.Channahon, IL 604101669676011
- Gustavo Pedraza, M.D.Channahon, IL 604101194811943
- Isaac Kirstein, DOChicago Heights, IL 604111114988425
Common questions
What is Benjamin Jeng-Shing Wang, MD PHD's NPI number?
Benjamin Jeng-Shing Wang, MD PHD's National Provider Identifier (NPI) is 1962496182, issued on Sep 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Jeng-Shing Wang, MD PHD located?
The NPPES record lists a practice address at 80 River Oaks, Calumet City, IL, 60409. Phone: (708) 862-5783. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Jeng-Shing Wang, MD PHD's license?
NPPES lists Illinois license number 036061248, 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 Benjamin Jeng-Shing Wang, MD PHD prescribe under Medicare Part D?
In 2024, Benjamin Jeng-Shing Wang, MD PHD had 24 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.