NPPES file of Aug 9, 2026

Alex V. Buder, M.D.,

Internal Medicine Physician · Chicago, IL

Alex V. Buder, M.D., is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1700955358, issued on Nov 7, 2006. Check the license 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
1700955358
Name
Alex V. Buder
Credential
M.D.,
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
2719 N Halsted St, Chicago, IL 60614
Phone
(773) 388-5685
Enumerated
Nov 7, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 388-5687
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2719 N Halsted St

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

  1. Sofia Garcia-Buder, M.D.Endocrinology, Diabetes & Metabolism Physician1780622183
  2. Aruna Ravanam, MDEndocrinology, Diabetes & Metabolism Physician1487875126
  3. Usha Sriram, M.DEndocrinology, Diabetes & Metabolism Physician1093882458

Verify Alex V. Buder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

63 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Alex Buder63
  2. Specialty average3,176

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: $131.14

6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alex Buder$131.14
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Alex V. Buder among 7,238 internal medicine physician records in Illinois

Alex V. Buder, 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. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 50% of these records are
  • Record last updated2007 · 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. Marilyn Aden, MDChicago, IL 606141598768152
  2. Ravi Badlani, M.D.Chicago, IL 606141790758944
  3. Sheldon Edelson, M.D.Chicago, IL 606141265497069
  4. Neel French, MDChicago, IL 606141417069659
  5. Elisabeth Klor Gross, MDChicago, IL 606141609879279
  6. Emily Lindner, M.D.Chicago, IL 606141023176187
  7. Tanesha Lloyd, M.D.Chicago, IL 606141154497857
  8. Alberto Manalo, MDChicago, IL 606141164505467

Common questions

What is Alex V. Buder, M.D.,'s NPI number?

Alex V. Buder, M.D.,'s National Provider Identifier (NPI) is 1700955358, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alex V. Buder, M.D., located?

The NPPES record lists a practice address at 2719 N Halsted St, Chicago, IL, 60614. Phone: (773) 388-5685. Providers update this record themselves, so call before visiting.

How can I verify Alex V. Buder, M.D.,'s license?

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 Alex V. Buder, M.D., prescribe under Medicare Part D?

In 2024, Alex V. Buder, M.D., had 63 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.