Dr. Michael J. Keller, MD

  • Chicago, IL
  • Pulmonologist
NPI1013164086PAC ID7618021643
Medicare services, 2024
1,828
Medicare patients, 2024
917
Part D claims, 2024
3,027
Hospital affiliations
6
Industry payments
$13,254
Practice address
675 N St Clair St, Chicago, IL 60611
Practice phone
Call (312) 695-0646
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Northwestern Medical Group

Chicago, Illinois

See all 8 affiliations

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Dr. Michael J. Keller is a pulmonologist in Chicago, Illinois

Dr. Keller practices at Northwestern Medical Group in Chicago, Illinois.

Dr. Keller's NPI, 1013164086, was assigned on August 21, 2008. Dr. Keller graduated from University of Iowa, RJ & L Carver College of Medicine in 2006. Dr. Keller holds Illinois license 036123136.

NPI and contact details
Medicare PAC ID
7618021643
NPI enumeration date
August 21, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(312) 695-0646
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
46
Medical school graduation
2006

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael J. Keller practices at Northwestern Medical Group in Chicago, Illinois

Dr. Keller's primary practice is Northwestern Medical Group, at 675 N St Clair St, Chicago, IL 60611 in Cook County. The practice phone is (312) 695-0646.

  • Northwestern Medical Group
    675 N St Clair St, Chicago, IL 60611 · Cook CountyPhone(312) 695-0646

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Michael J. Keller is affiliated with 7 sites of care and 1 medical group

Dr. Keller's primary practice is Northwestern Medical Group in Chicago, Illinois. Dr. Keller is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Keller to 5 more hospitals, each named with a free account.

See all 8 affiliations for Dr. Keller

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael J. Keller's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keller practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northwestern Medical GroupAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael J. Keller is one of 517 pulmonologists in Illinois

Pulmonary disease is Dr. Keller's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Keller is licensed in Illinois.

Specialties and state licenses

  • Pulmonary disease, IllinoisPrimaryLicense 036123136 · taxonomy 207RP1001X

Pulmonologists near Dr. Keller

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michael J. Keller billed Medicare for 1,828 services in 2024

CMS data shows 1,828 Medicare services from Dr. Keller across 16 procedure codes in 2024, for 917 Medicare patients. Medicare paid $158,351 for them.

Medicare services, 20241,828
Medicare patients917
Paid by Medicare$158,351
Procedure codes16

Dr. Keller's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2,4812024: 1,45841%
Tests and treatments
2023: 4882024: 25847%
Other services
2023: 02024: 112

Where Dr. Keller's Medicare services took place, 2024

  • In an office1,00455%
  • In a facility82445%

Dr. Keller compared with the Illinois median for pulmonologists, 2024

  • Dr. Keller
  • Illinois median
Medicare services
1,828vs 7692.4 times
Medicare patients
917vs 3412.7 times
Part D claims
2,881vs 4925.9 times

Medians across 522 pulmonologists in Illinois with Dmand AI profiles that report each measure.

Dr. Keller's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael J. Keller treated 917 Medicare patients in 2024, average age 77

CMS counts 917 Medicare patients who saw Dr. Keller in 2024. The largest group is 75 to 84, with 379 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.40, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Keller's median patient age at 74, with 54% women.

Medicare patients, 2024917
Average age77
Average risk score2.40
Also on Medicaid13%

Dr. Keller's Medicare patients by age, 2024

Dr. Keller's Medicare patients by sex, 2024

  • Women50255%
  • Men41545%

Chronic conditions among Dr. Keller's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. COPD61%
  4. Ischemic heart disease56%
  5. Arthritis55%
  6. Heart failure54%
  7. Atrial fibrillation44%
  8. Chronic kidney disease43%

Share of Medicare patients with each condition. A patient can have several.

Dr. Keller's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael J. Keller wrote 3,027 Medicare Part D claims in 2024

In 2024, Dr. Keller wrote 3,027 Medicare Part D claims for 479 patients. CMS names the drug for 2,881 of them, across 43 drugs with 11 or more claims each, at $3,422,008 in total drug cost. In 2023, CMS named 2,804 claims across 45 drugs.

Part D claims, 20243,027
Drugs named by CMS43
Total drug cost$3.4M
Part D patients479

Dr. Keller's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Keller's Part D claims, 2024

  • Antibiotics5%144 of 3,027 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,8042024: 2,8813%

Drugs named by CMS: 43 in 2024, 45 in 2023.

See all prescribing by Dr. Keller

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michael J. Keller offers telehealth to Medicare patients

Dr. Keller accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Keller as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Michael J. Keller received $13,254 in industry payments from 2016 to 2025

CMS Open Payments shows 685 general payments to Dr. Keller from 47 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 90% of the total. GlaxoSmithKline, LLC. paid the most, $2,881.

General payments to Dr. Keller by program year, 2016 to 2025

General payments to Dr. Keller by kind, 2016 to 2025

$13.3Kin total
  • Food and beverage$11,86990%
  • Travel and lodging$1,1289%
  • Education$1581%
  • Grants$781%
  • Speaker and faculty fees$210%

Companies that paid Dr. Keller the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Keller

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael J. Keller graduated from University of Iowa, RJ & L Carver College of Medicine

Dr. Keller graduated from University of Iowa, RJ & L Carver College of Medicine in 2006.

  1. Medical schoolUniversity of Iowa, RJ & L Carver College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael J. Keller's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael J. Keller

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Michael J. Keller's NPI number?

Dr. Michael J. Keller's NPI number is 1013164086. It was assigned on August 21, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael J. Keller?

Dr. Michael J. Keller is a pulmonologist in Chicago, Illinois. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Michael J. Keller practice?

Dr. Keller practices at 675 N St Clair St, Chicago, IL 60611. Dr. Keller's primary practice is Northwestern Medical Group in Chicago, Illinois. Dmand AI also links Dr. Keller to 5 hospitals.

What is Dr. Michael J. Keller's office phone number?

The practice phone on file for Dr. Keller is (312) 695-0646.

What is Dr. Michael J. Keller's medical license number?

Dr. Keller holds Illinois license 036123136.

Which hospitals is Dr. Michael J. Keller affiliated with?

Dr. Keller is affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Keller to 5 more hospitals.

What medical group is Dr. Michael J. Keller part of?

Dr. Keller is linked to Northwestern Medical Faculty Foundation.

Does Dr. Michael J. Keller accept Medicare?

Yes. CMS data shows Dr. Keller billed Medicare for 1,828 services in 2024, and Dr. Keller accepts Medicare assignment.

Does Dr. Michael J. Keller offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Keller as offering telehealth services.

How many Medicare patients does Dr. Michael J. Keller see?

CMS counts 917 Medicare patients who saw Dr. Keller in 2024, with an average age of 77.

Show 5 more questionsShow fewer questions

What services does Dr. Michael J. Keller bill to Medicare?

In 2024, Dr. Keller's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99214) and hospital inpatient care (99223).

Where did Dr. Michael J. Keller go to medical school?

Dr. Keller graduated from University of Iowa, RJ & L Carver College of Medicine in 2006.

What drugs does Dr. Michael J. Keller prescribe most?

In 2024 Medicare Part D data, Dr. Keller's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Anoro Ellipta.

Has Dr. Michael J. Keller received payments from drug or device companies?

CMS Open Payments shows $13,254 in general payments to Dr. Keller from 47 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Michael J. Keller been practicing?

Dr. Keller graduated from medical school in 2006, 20 years ago.

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