Lauren Elizabeth Feng, MD
Family Medicine Physician · Naperville, IL
Lauren Elizabeth Feng, MD is a family medicine physician with a practice address in Naperville, Illinois, and NPI 1437680279, issued on Mar 23, 2017. Check the license (Illinois 036161913, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lauren Elizabeth Feng
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036161913 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1247 Rickert Dr Ste 201, Naperville, IL 60540
- Phone
- (630) 357-7979
- Enumerated
- Mar 23, 2017
- Record last updated
- Jun 6, 2026
- Fax
- (630) 357-1047
- Medicare enrollment
- Enrolled (PECOS I20221116001274); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 1247 Rickert Dr Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Madden, PA-CPhysician Assistant1477919918
- Adam OberhofferProfessional Counselor1306382437
- Mohammed Mufis Shaikh, MDFamily Medicine Physician1447899489
- Jason Vick, APN-CNPNurse Practitioner1770037947
Verify Lauren Elizabeth Feng 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 036161913Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family medicine physician in 2024
652 Medicare Part D claims for 150 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium49 claims
- Levothyroxine Sodium29 claims
- Amlodipine Besylate27 claims
- Lisinopril23 claims
- Metformin Hcl Er20 claims
- Rosuvastatin Calcium19 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 one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lauren Elizabeth Feng among 6,215 family medicine physician records in Illinois
Lauren Elizabeth Feng, MD is one of 6,215 family medicine physician records with a practice address in Illinois. 78% 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 73% of them.
- NPI issued2017 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2006 among the 3,714 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 family medicine physician records list a practice address in Naperville
They are 86 of the 4,634 NPPES records with a practice address in Naperville, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Naperville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Matthew Carducci, M.D.Naperville, IL 605401093762338
- Karla Dorsey-Johnson, MDNaperville, IL 605401245205731
- Stephanie Dressler, PA CNaperville, IL 605401629068234
- Hiam Eldewek, D.O.Naperville, IL 605401639128309
- Michael Fitzgerald, MDNaperville, IL 605401346215407
- Fowzia Ghouse, MDNaperville, IL 605401215923826
- Ronald Glas, MDNaperville, IL 605401720075484
- Kaleem Khan, M.D.Naperville, IL 605401619917713
Common questions
What is Lauren Elizabeth Feng, MD's NPI number?
Lauren Elizabeth Feng, MD's National Provider Identifier (NPI) is 1437680279, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Lauren Elizabeth Feng, MD located?
The NPPES record lists a practice address at 1247 Rickert Dr Ste 201, Naperville, IL, 60540. Phone: (630) 357-7979. Providers update this record themselves, so call before visiting.
How can I verify Lauren Elizabeth Feng, MD's license?
NPPES lists Illinois license number 036161913, 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 Lauren Elizabeth Feng, MD prescribe under Medicare Part D?
In 2024, Lauren Elizabeth Feng, MD had 652 Medicare Part D claims for 150 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.