NPPES file of Aug 9, 2026

Mai Ngoc Xuan Nguyen, M.D.

Family Medicine Physician · Chicago, IL

Mai Ngoc Xuan Nguyen, M.D. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1659711950, issued on Jul 1, 2013. Check the license (Illinois 036.131826, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659711950
Name
Mai Ngoc Xuan Nguyen
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036.131826 IL
Self-reported in NPPES; status is on the state search
Practice location
3660 N Lake Shore Dr, Chicago, IL 60613
Phone
(773) 307-5056
Enumerated
Jul 1, 2013
Record last updated
Jul 1, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20130828000882); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3660 N Lake Shore Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nawal Alomari, M.A. LPCProfessional Counselor1225583404

Verify Mai Ngoc Xuan Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.131826
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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93% fewer Medicare Part D claims than the average family medicine physician in 2024

260 Medicare Part D claims for 211 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Mai Nguyen260
  2. Specialty average3,544

Most prescribed

  1. Cephalexin31 claims
  2. Amoxicillin-Clavulanate Potass30 claims
  3. Prednisone21 claims
  4. Ciprofloxacin Hcl20 claims
  5. Cyclobenzaprine Hcl20 claims
  6. Ondansetron Hcl18 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: $30.20

1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mai Nguyen$30.20
  2. Specialty average$902.55

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

  1. Harvey Emergency Physicians PLLCCalumet City, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mai Ngoc Xuan Nguyen among 6,215 family medicine physician records in Illinois

Mai Ngoc Xuan Nguyen, M.D. 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 2013, is newer than 64% of them.

  • NPI issued2013 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2000 · median 2006 among the 3,714 with a school on file
  • Record last updated2013 · 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).

1,593 family medicine physician records list a practice address in Chicago

They are 1,593 of the 63,379 NPPES records with a practice address in Chicago, and 6,215 family medicine physician records in Illinois.

The 8 family medicine physician records with the nearest ZIP codes

  1. Murry Bass, MDChicago, IL 606131679580930
  2. Kathya Chartre, M.D.Chicago, IL 606131174831168
  3. Alla Chikhman, M.D.Chicago, IL 606131114063120
  4. Aaron Greenspan, M.D.Chicago, IL 606131033297023
  5. Martha Howard, M.D., P.C.Chicago, IL 606131497805386
  6. Kohar Jones, MDChicago, IL 606131407969041
  7. B Florian Miranzadeh, DOChicago, IL 606131609862135
  8. James Nee, M.D.Chicago, IL 606131932159282

Common questions

What is Mai Ngoc Xuan Nguyen, M.D.'s NPI number?

Mai Ngoc Xuan Nguyen, M.D.'s National Provider Identifier (NPI) is 1659711950, issued on Jul 1, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Mai Ngoc Xuan Nguyen, M.D. located?

The NPPES record lists a practice address at 3660 N Lake Shore Dr, Chicago, IL, 60613. Phone: (773) 307-5056. Providers update this record themselves, so call before visiting.

How can I verify Mai Ngoc Xuan Nguyen, M.D.'s license?

NPPES lists Illinois license number 036.131826, 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 Mai Ngoc Xuan Nguyen, M.D. prescribe under Medicare Part D?

In 2024, Mai Ngoc Xuan Nguyen, M.D. had 260 Medicare Part D claims for 211 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.