Helen Ferng, M.D.
Internal Medicine Physician · Bolingbrook, IL
Helen Ferng, M.D. is an internal medicine physician with a practice address in Bolingbrook, Illinois, and NPI 1033259205, issued on Feb 7, 2007. Check the license (Illinois 036124969, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Helen Ferng
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036124969 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Remington Blvd, Bolingbrook, IL 60440
- Phone
- (630) 312-7755
- Enumerated
- Feb 7, 2007
- Record last updated
- Feb 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (630) 856-9933
- Medicaid ID
- 036124969 IL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1000 Remington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Helen Ferng 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 036124969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Helen Ferng among 7,238 internal medicine physician records in Illinois
Helen Ferng, M.D. 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 not. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 55% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2014 · 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).
21 internal medicine physician records list a practice address in Bolingbrook
They are 21 of the 915 NPPES records with a practice address in Bolingbrook, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,238 in Illinois → Every provider in Bolingbrook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ramadevi Davarapalli, MDBolingbrook, IL 604401831171750
- Sheeja Jain, MDBolingbrook, IL 604401285722207
- Manuel Malicay, MDBolingbrook, IL 604401326196411
- Vinod Motiani, M.D.Bolingbrook, IL 604401700891231
- Jo MurphyBolingbrook, IL 604401376534867
- Seth Osafo, M.D.Bolingbrook, IL 604401841330537
- Riddhi Pakrasi, M.D.Bolingbrook, IL 604401114283215
- Sumitha Panicker, M.D.Bolingbrook, IL 604401528279577
Common questions
What is Helen Ferng, M.D.'s NPI number?
Helen Ferng, M.D.'s National Provider Identifier (NPI) is 1033259205, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Helen Ferng, M.D. located?
The NPPES record lists a practice address at 1000 Remington Blvd, Bolingbrook, IL, 60440. Phone: (630) 312-7755. Providers update this record themselves, so call before visiting.
How can I verify Helen Ferng, M.D.'s license?
NPPES lists Illinois license number 036124969, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.