Jennie S. Ng, M.D.
Gastroenterology Physician · Oakbrook Terrace, IL
Jennie S. Ng, M.D. is a gastroenterology physician with a practice address in Oakbrook Terrace, Illinois, and NPI 1063599744, issued on Nov 1, 2006. Check the license (Illinois 036-111351, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jennie S. Ng
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036-111351 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2 Transam Plaza Dr Ste 100, Oakbrook Terrace, IL 60181
- Phone
- (630) 717-2600
- Enumerated
- Nov 1, 2006
- Record last updated
- Aug 16, 2023
- Fax
- (630) 932-3437
- Medicaid ID
- 0361111351 IL
- Medicare enrollment
- Enrolled (PECOS I20071011000446); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 2 Transam Plaza Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Smith, M.D.Gastroenterology Physician1508973926
Verify Jennie S. Ng 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 036-111351Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average gastroenterology physician in 2024
468 Medicare Part D claims for 261 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Gavilyte-G88 claims
- Omeprazole61 claims
- Peg-3350 And Electrolytes42 claims
- Peg 3350-Electrolyte40 claims
- Dicyclomine Hcl33 claims
- Famotidine29 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: $330.22
11 payments; by number, the most common kind was food and beverage; the largest payer was Aimmune Therapeutics, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Dupage Medical Group LtdOakbrook Terrace, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennie S. Ng among 887 gastroenterology physician records in Illinois
Jennie S. Ng, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2001 · median 2003 among the 643 with a school on file
- Record last updated2023 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 gastroenterology physician records list a practice address in Oakbrook Terrace
They are 5 of the 282 NPPES records with a practice address in Oakbrook Terrace, and 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Oakbrook Terrace → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Chua, MDOakbrook Terrace, IL 601811346241585
- Stephen Grill, M.D.Oakbrook Terrace, IL 601811366559858
- Matthew Smith, M.D.Oakbrook Terrace, IL 601811508973926
- Dhruva Tilwalli, MDOakbrook Terrace, IL 601811417912296
- Neha Kaiser, DOSycamore, IL 601781992110126
- Narumi O'Hara, MDSycamore, IL 601781689835928
- Amulya Reddy, D.O.Sycamore, IL 601781295114932
- Darran Moxon, MDSt Charles, IL 601751528044658
Common questions
What is Jennie S. Ng, M.D.'s NPI number?
Jennie S. Ng, M.D.'s National Provider Identifier (NPI) is 1063599744, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jennie S. Ng, M.D. located?
The NPPES record lists a practice address at 2 Transam Plaza Dr Ste 100, Oakbrook Terrace, IL, 60181. Phone: (630) 717-2600. Providers update this record themselves, so call before visiting.
How can I verify Jennie S. Ng, M.D.'s license?
NPPES lists Illinois license number 036-111351, 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 Jennie S. Ng, M.D. prescribe under Medicare Part D?
In 2024, Jennie S. Ng, M.D. had 468 Medicare Part D claims for 261 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.