NPPES file of Aug 9, 2026

Ahsan Wahab, MD

Hospitalist Physician · Chicago, IL

Ahsan Wahab, MD is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1548644180, issued on Jul 14, 2015. Check the license (Illinois 036164046, 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
1548644180
Name
Ahsan Wahab
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
036164046 IL
Self-reported in NPPES; status is on the state search
Practice location
840 S Wood St, Chicago, IL 60612
Phone
(312) 996-5680
Enumerated
Jul 14, 2015
Record last updated
Jul 30, 2025
Medicare enrollment
Enrolled (PECOS I20250808000092); 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 840 S Wood St

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

  1. Ehab Alameer, M.D.Surgery Physician1932496395
  2. Marta Antoniv, MDStudent in an Organized Health Care Education/Training Program1598603631
  3. Chandrarekha Bandepalli, M.D.Neonatal-Perinatal Medicine Physician1700079415
  4. Frederick Behm, MDAnatomic Pathology & Clinical Pathology Physician1457354656
  5. Mary Biglin, MDGastroenterology Physician1053840991
  6. Redouane Boumendjel, MDAnatomic Pathology & Clinical Pathology Physician1730349028

Verify Ahsan Wahab 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 036164046
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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81% fewer Medicare Part D claims than the average hospitalist physician in 2024

98 Medicare Part D claims for 26 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Ahsan Wahab98
  2. Specialty average521

Most prescribed

  1. Anastrozole16 claims
  2. Tamoxifen Citrate12 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): 100 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.0
  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).

Industry payments in 2024: $282.44

5 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Scientific Affairs, LLC. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ahsan Wahab$282.44
  2. Specialty average$494.84

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

Bills Medicare through 2 group practices

  1. Endeavor Health Medical GroupGlenview, IL
  2. Sound Physicians OF Illinois LLCDanville, IL

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

Ahsan Wahab among 1,535 hospitalist physician records in Illinois

Ahsan Wahab, MD is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 52% of them.

  • NPI issued2015 · 52% of these records are older, 43% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 87% of these records are
  • Graduated2011 · median 2013 among the 1,339 with a school on file
  • Record last updated2025 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Illinois

There are 1,535 hospitalist physician records in Illinois.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Catherine Dimou, M.D.Chicago, IL 606121073615076
  2. Ann Goh, M.D.Chicago, IL 606121013019728
  3. Dorian Guerra, M.D.Chicago, IL 606121053590430
  4. Scott Hasler, M.D.Chicago, IL 606121619079282
  5. Syed Hassan, M.D.Chicago, IL 606121902014962
  6. Richard Huh, M.D.Chicago, IL 606121487742409
  7. Jisu Kim, M.D.Chicago, IL 606121275645871
  8. Rudolf Kumapley, MBCHBChicago, IL 606121932138922

Common questions

What is Ahsan Wahab, MD's NPI number?

Ahsan Wahab, MD's National Provider Identifier (NPI) is 1548644180, issued on Jul 14, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ahsan Wahab, MD located?

The NPPES record lists a practice address at 840 S Wood St, Chicago, IL, 60612. Phone: (312) 996-5680. Providers update this record themselves, so call before visiting.

How can I verify Ahsan Wahab, MD's license?

NPPES lists Illinois license number 036164046, 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 Ahsan Wahab, MD prescribe under Medicare Part D?

In 2024, Ahsan Wahab, MD had 98 Medicare Part D claims for 26 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Ahsan Wahab, MD's MIPS final score?

The 2023 MIPS final score is 100 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.