NPPES file of Aug 9, 2026

Michael J. Keller, M.D.

Pulmonary Disease Physician · Lake Forest, IL

Michael J. Keller, M.D. is a pulmonary disease physician with a practice address in Lake Forest, Illinois, and NPI 1013164086, issued on Aug 21, 2008. Check the license (Illinois 036123136, 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
1013164086
Name
Michael J. Keller
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
036123136 IL
Self-reported in NPPES; status is on the state search
Practice location
1000 N Westmoreland RD # Level1, Lake Forest, IL 60045
Phone
(847) 535-7647
Enumerated
Aug 21, 2008
Record last updated
Jan 9, 2025
Fax
(847) 535-7151
Medicaid ID
036134102 IL
Medicare enrollment
Enrolled (PECOS I20090811000083); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 2006
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 pulmonary disease physician records → All 617 in Illinois → Look up another NPI →

Also registered at 1000 N Westmoreland RD # Level1

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

  1. John Anderson, PA-CPhysician Assistant1275236895
  2. Mariam Anis, M.D.Pulmonary Disease Physician1013274349
  3. Natalie Autenzio, APRN, CNPNurse Practitioner1144986571
  4. Amina BashaEndocrinology, Diabetes & Metabolism Physician1588195168
  5. Alyssa Brown, DNP, AGACNP-BCNurse Practitioner1497475594
  6. Madeline Ellis, DNP, AG-ACNP-BCNurse Practitioner1104653997

Verify Michael J. Keller 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 036123136    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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2.1 times the Medicare Part D claims of the average pulmonary disease physician in 2024

3,027 Medicare Part D claims for 479 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.

  1. Michael Keller3,027
  2. Specialty average1,425

Most prescribed

  1. Trelegy Ellipta520 claims
  2. Albuterol Sulfate Hfa374 claims
  3. Anoro Ellipta240 claims
  4. Prednisone141 claims
  5. Breztri Aerosphere120 claims
  6. Furosemide106 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: $1,251.46

66 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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. Michael Keller$1,251.46
  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. Northwestern Medical Faculty FoundationLake Forest, IL

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

Michael J. Keller among 617 pulmonary disease physician records in Illinois

Michael J. Keller, M.D. 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 2008, is newer than 54% of them.

  • NPI issued2008 · 54% of these records are older, 39% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2006 · median 2005 among the 444 with a school on file
  • Record last updated2025 · 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.

All 617 in Illinois → Every provider in Lake Forest → Pulmonary Disease Physician nationwide →

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Mohammed Alzoubaidi, MBBS,MPHLake Forest, IL 600451184880031
  2. Mariam Anis, M.D.Lake Forest, IL 600451013274349
  3. Michael Ankin, M.D.Lake Forest, IL 600451922117878
  4. Jason Rho, M.D.Lake Forest, IL 600451396066957
  5. Mateo Tole, M.D.Lake Forest, IL 600451194067348
  6. Mary Zinn-Batina, MDLake Forest, IL 600451447204136
  7. Dennis Hoffman, M.D.Libertyville, IL 600481548250780
  8. Joel Mensing, D.O.Libertyville, IL 600481336454404

Common questions

What is Michael J. Keller, M.D.'s NPI number?

Michael J. Keller, M.D.'s National Provider Identifier (NPI) is 1013164086, issued on Aug 21, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael J. Keller, M.D. located?

The NPPES record lists a practice address at 1000 N Westmoreland RD # Level1, Lake Forest, IL, 60045. Phone: (847) 535-7647. Providers update this record themselves, so call before visiting.

How can I verify Michael J. Keller, M.D.'s license?

NPPES lists Illinois license number 036123136, 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 Michael J. Keller, M.D. prescribe under Medicare Part D?

In 2024, Michael J. Keller, M.D. had 3,027 Medicare Part D claims for 479 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.

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.