NPPES file of Aug 9, 2026

James A. Wallace

Medical Oncology Physician · Chicago, IL

James A. Wallace is a medical oncology physician with a practice address in Chicago, Illinois, and NPI 1669687307, issued on May 14, 2007. Check the license (Illinois 036113259, 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
1669687307
Name
James A. Wallace
Primary taxonomy
Medical Oncology Physician 207RX0202X
License number
036113259 IL
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
May 14, 2007
Record last updated
Oct 24, 2022
Medicare enrollment
Enrolled (PECOS I20080626000710); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 2002
Telehealth
Offers telehealth (CMS)
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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8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →

Also registered at 5841 S Maryland Ave

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

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify James A. Wallace 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 036113259    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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2.3 times the Medicare Part D claims of the average medical oncology physician in 2024

1,592 Medicare Part D claims for 263 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 229 claims were for opioids.

  1. James Wallace1,592
  2. Specialty average703

Most prescribed

  1. Hydrocodone-Acetaminophen116 claims
  2. Eliquis91 claims
  3. Warfarin Sodium57 claims
  4. Prochlorperazine Maleate55 claims
  5. Anastrozole52 claims
  6. Xarelto45 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: $14,779.75

48 payments; by number, the most common kind was food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 3,343 providers of this specialty with any payment received $11,773.47 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Wallace$14,780
  2. Specialty average$11,773

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. Ucm Medical Group Sub LLCHarvey, IL

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

James A. Wallace among 182 medical oncology physician records in Illinois

James A. Wallace is one of 182 medical oncology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 57% of them.

  • NPI issued2007 · 57% of these records are older, 37% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2002 · median 2000 among the 132 with a school on file
  • Record last updated2022 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Oncology Physician providers in Illinois

There are 182 medical oncology physician records in Illinois.

All 182 in Illinois → Every provider in Chicago → Medical Oncology Physician nationwide →

The 8 medical oncology physician records with the nearest ZIP codes

  1. Manik Amin, MDChicago, IL 606371265689889
  2. Christine Bestvina, M.D.Chicago, IL 606371720354137
  3. Janet Chin, MDChicago, IL 606371205862653
  4. Kenneth CohenChicago, IL 606371881787067
  5. Abiola Ibraheem, M.B.CHBChicago, IL 606371013273614
  6. Andrzej JakubowiakChicago, IL 606371134205081
  7. Hedy KindlerChicago, IL 606371851453302
  8. Alexander PearsonChicago, IL 606371134448665

Common questions

What is James A. Wallace's NPI number?

James A. Wallace's National Provider Identifier (NPI) is 1669687307, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is James A. Wallace located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify James A. Wallace's license?

NPPES lists Illinois license number 036113259, 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 James A. Wallace prescribe under Medicare Part D?

In 2024, James A. Wallace had 1,592 Medicare Part D claims for 263 beneficiaries; the average among medical oncology physician prescribers was 703. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.