NPPES file of Aug 9, 2026

William Merrick Sanders, MD

Pulmonary Disease Physician · Chicago, IL

William Merrick Sanders, MD is a pulmonary disease physician with a practice address in Chicago, Illinois, and NPI 1164426599, issued on Jun 13, 2005. Check the license (Illinois 36090670, 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
1164426599
Name
William Merrick Sanders
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
36090670 IL
Self-reported in NPPES; status is on the state search
Practice location
2845 N Sheridan RD, Chicago, IL 60657
Phone
(773) 935-5556
Enumerated
Jun 13, 2005
Record last updated
Dec 23, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(773) 935-2724
Medicaid ID
36090670 IL
Medicare enrollment
Enrolled (PECOS I20100111000285); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 1992
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 2845 N Sheridan RD

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

  1. Claudia BarbieriProfessional Counselor1265264113
  2. Saloumeh Degood, PSYDClinical Psychologist1417252644
  3. Blythe Dump, PT, DPT, CLTPhysical Therapist1760738470
  4. Alan Gilman, MDHematology & Oncology Physician1447249834
  5. Kayla Harlan, LSW, P-CADCSocial Worker1770359291
  6. Emma Hawkins, MS, LCGCGenetic Counselor (M.S.)1700608569

Verify William Merrick Sanders 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 36090670
    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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37% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

895 Medicare Part D claims for 137 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.

  1. William Sanders895
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta235 claims
  2. Montelukast Sodium155 claims
  3. Albuterol Sulfate Hfa120 claims
  4. Breo Ellipta55 claims
  5. Arnuity Ellipta44 claims
  6. Ventolin Hfa31 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: $588.25

18 payments; by number, the most common kind was food and beverage; the largest payer was Baxter Healthcare. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Sanders$588.25
  2. Specialty average$5,159.88

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. Presence Healthcare ServicesChicago, IL

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

William Merrick Sanders among 617 pulmonary disease physician records in Illinois

William Merrick Sanders, MD is one of 617 pulmonary disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1992 · median 2005 among the 444 with a school on file
  • Record last updated2021 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Illinois

There are 617 pulmonary disease physician records in Illinois.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Lauren Abplanalp, D.O.Chicago, IL 606571346604642
  2. Ilja Faibussowitsch, MDChicago, IL 606571740220193
  3. Samuel Goodman, M.D.Chicago, IL 606571134500283
  4. Anil Kachru, MDChicago, IL 606571982679346
  5. Scott NeeleyChicago, IL 606571083618417
  6. Safeer Shah, MDChicago, IL 606571457855819
  7. Kristin Walter, M.D.Chicago, IL 606571649214636
  8. Keith Nam, MDChicago, IL 606591922180330

Common questions

What is William Merrick Sanders, MD's NPI number?

William Merrick Sanders, MD's National Provider Identifier (NPI) is 1164426599, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William Merrick Sanders, MD located?

The NPPES record lists a practice address at 2845 N Sheridan RD, Chicago, IL, 60657. Phone: (773) 935-5556. Providers update this record themselves, so call before visiting.

How can I verify William Merrick Sanders, MD's license?

NPPES lists Illinois license number 36090670, 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 William Merrick Sanders, MD prescribe under Medicare Part D?

In 2024, William Merrick Sanders, MD had 895 Medicare Part D claims for 137 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.