Josephine Ba Nguyen, M.D.
Gynecology Physician · Elmhurst, IL
Josephine Ba Nguyen, M.D. is a gynecology physician with a practice address in Elmhurst, Illinois, and NPI 1487185583, issued on Mar 21, 2017. Check the license (Illinois 036178663, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Josephine Ba Nguyen
- Credential
- M.D.
- Primary taxonomy
- Gynecology Physician 207VG0400X
- License numbers
- 036178663 IL
A157172 CA
Self-reported in NPPES; status is on the state search - Practice location
- 133 E Brush Hill RD Ste 308, Elmhurst, IL 60126
- Phone
- (331) 221-9006
- Enumerated
- Mar 21, 2017
- Record last updated
- Mar 9, 2026
- Fax
- (331) 221-2734
- Medicare enrollment
- Enrolled (PECOS I20260309001623); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gynecology physician records → All 113 in Illinois → Look up another NPI →
Also registered at 133 E Brush Hill RD Ste 308
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teressa Alexander, M.D.Obstetrics & Gynecology Physician1851387328
- Antonio Bravo, MDObstetrics & Gynecology Physician1326139676
- Joseph Furlin, MDObstetrics & Gynecology Physician1316988389
- Anamarta Martinez, PA-CPhysician Assistant1538754874
- Marco Martinez, MDObstetrics & Gynecology Physician1497706535
- Shirley Moore, APN, CNMAdvanced Practice Midwife1780719104
Verify Josephine Ba Nguyen 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 036178663Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average gynecology physician in 2024
63 Medicare Part D claims for 31 beneficiaries, against an average of 299 among the 1,919 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Estradiol14 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.
Bills Medicare through 2 group practices
- Endeavor Health Medical GroupEvanston, IL
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Josephine Ba Nguyen among 113 gynecology physician records in Illinois
Josephine Ba Nguyen, M.D. is one of 113 gynecology physician records with a practice address in Illinois. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 94% of them.
- NPI issued2017 · 94% of these records are older, 5% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2017 · median 1998 among the 40 with a school on file
- Record last updated2026 · 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 207VG0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gynecology Physician providers in Illinois
There are 113 gynecology physician records in Illinois.
All 113 in Illinois → Every provider in Elmhurst → Gynecology Physician nationwide →
The 8 gynecology physician records with the nearest ZIP codes
- Charanjit Kalsi, M.D.Elmhurst, IL 601261285851584
- Meera Atkins, MDGeneva, IL 601341699736389
- William Petrando, MDGlen Ellyn, IL 601371629046453
- Karen Altay, M.D.Bloomingdale, IL 601081518097120
- Salvatore Reda, MDBloomingdale, IL 601081437126463
- Haleema Sadath, M.D.Bloomingdale, IL 601081639573710
- Mary Lynn, DOMaywood, IL 601531841379690
- Tao Chen, M.D.Woodstock, IL 600981114975232
Common questions
What is Josephine Ba Nguyen, M.D.'s NPI number?
Josephine Ba Nguyen, M.D.'s National Provider Identifier (NPI) is 1487185583, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Josephine Ba Nguyen, M.D. located?
The NPPES record lists a practice address at 133 E Brush Hill RD Ste 308, Elmhurst, IL, 60126. Phone: (331) 221-9006. Providers update this record themselves, so call before visiting.
How can I verify Josephine Ba Nguyen, M.D.'s license?
NPPES lists Illinois license number 036178663, 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 Josephine Ba Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Josephine Ba Nguyen, M.D. had 63 Medicare Part D claims for 31 beneficiaries; the average among gynecology physician prescribers was 299. 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.