NPPES file of Aug 9, 2026

Rong Xu

Internal Medicine Physician · Chicago, IL

Rong Xu is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1992963243, issued on May 22, 2008. Check the license (Illinois 036123417, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992963243
Name
Rong Xu
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
036123417 IL
P21252 MD
Self-reported in NPPES; status is on the state search
Practice location
15 S California Ave, Chicago, IL 60612
Phone
(773) 257-6552
Enumerated
May 22, 2008
Record last updated
Jul 2, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20090904000332); 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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Verify Rong Xu 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 036123417
    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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2.7 times the Medicare Part D claims of the average internal medicine physician in 2024

8,499 Medicare Part D claims for 175 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Rong Xu8,499
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium1,056 claims
  2. Amlodipine Besylate525 claims
  3. Mirtazapine339 claims
  4. Metformin Hcl280 claims
  5. Tamsulosin Hcl266 claims
  6. Lisinopril259 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score65.0
  2. Costout of 100 · 30%63.2
  3. Promoting interoperabilityout of 100 · 25%72.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mount Sinai Community FoundationChicago, IL

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

Rong Xu among 7,238 internal medicine physician records in Illinois

Rong Xu 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. Its NPI, issued in 2008, is newer than 45% of them.

  • NPI issued2008 · 45% of these records are older, 51% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1987 · median 2003 among the 3,580 with a school on file
  • Record last updated2009 · 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).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Keith Boyd, M.D.Chicago, IL 606121174591978
  2. Lewis Coulson, M.D.Chicago, IL 606121619944931
  3. Henry Danko, M.D.Chicago, IL 606121780659524
  4. Denis Evans, M.D.Chicago, IL 606121952385841
  5. Tabassum Faruqi, M.D.Chicago, IL 606121013968536
  6. David Goldberg, MDChicago, IL 606121275588444
  7. Ionut Ilie, M.D.Chicago, IL 606121619926383
  8. Padma Kudaravalli, M.D.Chicago, IL 606121427004514

Common questions

What is Rong Xu's NPI number?

Rong Xu's National Provider Identifier (NPI) is 1992963243, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Rong Xu located?

The NPPES record lists a practice address at 15 S California Ave, Chicago, IL, 60612. Phone: (773) 257-6552. Providers update this record themselves, so call before visiting.

How can I verify Rong Xu's license?

NPPES lists Illinois license number 036123417, 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 Rong Xu prescribe under Medicare Part D?

In 2024, Rong Xu had 8,499 Medicare Part D claims for 175 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Rong Xu's MIPS final score?

The 2023 MIPS final score is 80.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.