Dr. Michael J. Lenaeus, MD

  • Seattle, WA
  • Hospitalist
NPI1316262538PAC ID0749429777
Medicare services, 2024
211
Medicare patients, 2024
92
Part D claims, 2024
62
Publications
13
MIPS score, 2024
94
Practice address
1959 NE Pacific St Box 356151, Seattle, WA 98195
Practice phone
Call (206) 598-3300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UW Medical Center - Montlake

Hospital · Seattle, Washington

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Dr. Michael J. Lenaeus is a hospitalist in Seattle, Washington

Dr. Lenaeus practices at UW Medical Center - Montlake in Seattle, Washington, part of University of Washington.

Dr. Lenaeus' NPI, 1316262538, was assigned on March 30, 2010. Dr. Lenaeus holds Washington license MD60344940.

NPI and contact details
Medicare PAC ID
0749429777
NPI enumeration date
March 30, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(206) 598-3300
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Dr. Michael J. Lenaeus practices at UW Medical Center - Montlake in Seattle, Washington

Dr. Lenaeus' primary practice is UW Medical Center - Montlake, at 1959 NE Pacific St Box 356151, Seattle, WA 98195 in King County. The practice phone is (206) 598-3300.

Source: Dmand AI Affiliation Data

Dr. Michael J. Lenaeus is affiliated with 3 sites of care and 2 medical groups

Dr. Lenaeus' primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. The medical group on file is UW Physicians. Dmand AI also links Dr. Lenaeus to 1 more hospital, 1 hospital outpatient department and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Lenaeus

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lenaeus practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UW Medical Center - MontlakeAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael J. Lenaeus is one of 766 hospitalists in Washington

Hospitalist is Dr. Lenaeus' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lenaeus is licensed in Washington.

Specialties and state licenses

  • Hospitalist, WashingtonPrimaryLicense MD60344940 · taxonomy 208M00000X

Hospitalists near Dr. Lenaeus

Counts of hospitalists 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. Lenaeus billed Medicare for 211 services in 2024

CMS data shows 211 Medicare services from Dr. Lenaeus across 5 procedure codes in 2024, for 92 Medicare patients. Medicare paid $19,102 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024211
Medicare patients92
Paid by Medicare$19,102
Procedure codes5

Dr. Lenaeus' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1332024: 21159%

Dr. Lenaeus compared with the Washington median for hospitalists, 2024

  • Dr. Lenaeus
  • Washington median
Medicare services
211vs 31433% below
Medicare patients
92vs 15741% below
Part D claims
11vs 4073% below

Medians across 696 hospitalists in Washington with Dmand AI profiles that report each measure.

Dr. Lenaeus' 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.

See all procedures by Dr. Lenaeus

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

Dr. Michael J. Lenaeus treated 92 Medicare patients in 2024, average age 68

CMS counts 92 Medicare patients who saw Dr. Lenaeus in 2024. The largest group is 65 to 74, with 40 patients. 75% of them have high blood pressure, and 60% have high cholesterol. 28% are also on Medicaid. Their average risk score is 3.56, 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. Lenaeus' median patient age at 58, with 56% women.

Medicare patients, 202492
Average age68
Average risk score3.56
Also on Medicaid28%

Dr. Lenaeus' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Lenaeus' Medicare patients by sex, 2024

  • Women4246%
  • Men5054%

Chronic conditions among Dr. Lenaeus' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol60%
  3. Chronic kidney disease47%
  4. Anxiety42%
  5. Arthritis41%
  6. Diabetes40%
  7. Ischemic heart disease40%
  8. Mood disorders40%

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

Dr. Lenaeus' patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Dr. Michael J. Lenaeus wrote 62 Medicare Part D claims in 2024

In 2024, Dr. Lenaeus wrote 62 Medicare Part D claims for 21 patients. 71% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $62 in total drug cost.

Part D claims, 202462
Drugs named by CMS1
Total drug cost$62
Part D patients21

Dr. Lenaeus' Part D claims by kind of drug, 2024

  • Generic44 claims71%
  • Brand-name18 claims29%

Dr. Lenaeus' most prescribed drugs by claims, 2022

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. Lenaeus' Part D claims, 2024

  • Antibiotics19%12 of 62 claims

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

See all prescribing by Dr. Lenaeus

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. Lenaeus scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Lenaeus for performance year 2024, reported through an alternative payment model (APM). Dr. Lenaeus accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Lenaeus' MIPS scores, performance year 2024

  • 94of 100Final score
  • 74.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Michael J. Lenaeus has 13 publications on record

Dmand AI links 13 papers to Dr. Lenaeus, published from 2017 to 2024. 2018 was the busiest year, with 3. The most frequent topics are Ion Channel Gating, Voltage-Gated Sodium Channels and Protein Conformation. Dr. Lenaeus has published most often in Cell. Dr. Lenaeus' most frequent co-author is Jan Victor Hirschmann, MD.

Papers13
Years published2017 to 2024

Dr. Lenaeus' papers by year, 2017 to 2024

Topics Dr. Lenaeus writes about most

  • Ion Channel Gating
  • Voltage-Gated Sodium Channels
  • Protein Conformation
  • Crystallography, X-Ray
  • Membrane Potentials
  • Models, Molecular
  • NAV1.5 Voltage-Gated Sodium Channel
  • Sodium

Dr. Lenaeus' most frequent co-authors

Recent publications by Dr. Lenaeus

See all 13 publications and co-authors

See who Dr. Lenaeus researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lenaeus works with, so you can find a warm path to the right hospitalists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Sources for Dr. Michael J. Lenaeus'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Lenaeus

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. Lenaeus' NPI number?

Dr. Michael J. Lenaeus' NPI number is 1316262538. It was assigned on March 30, 2010, and it is active in the NPI Registry.

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

Dr. Michael J. Lenaeus is a hospitalist in Seattle, Washington. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Michael J. Lenaeus practice?

Dr. Lenaeus practices at 1959 NE Pacific St Box 356151, Seattle, WA 98195. Dr. Lenaeus' primary practice is UW Medical Center - Montlake in Seattle, Washington, part of University of Washington. Dmand AI also links Dr. Lenaeus to 1 hospital, 1 hospital outpatient department and 1 medical group.

What is Dr. Michael J. Lenaeus' office phone number?

The practice phone on file for Dr. Lenaeus is (206) 598-3300.

What is Dr. Michael J. Lenaeus' medical license number?

Dr. Lenaeus holds Washington license MD60344940.

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

Dr. Lenaeus practices at UW Medical Center - Montlake in Seattle, Washington. Dmand AI links Dr. Lenaeus to 1 more hospital.

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

Dr. Lenaeus is linked to UW Physicians. Dmand AI links Dr. Lenaeus to 1 more medical group.

Does Dr. Michael J. Lenaeus accept Medicare?

Yes. CMS data shows Dr. Lenaeus billed Medicare for 211 services in 2024, and Dr. Lenaeus accepts Medicare assignment.

What is Dr. Michael J. Lenaeus' MIPS score?

Dr. Lenaeus' MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

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

CMS counts 92 Medicare patients who saw Dr. Lenaeus in 2024, with an average age of 68.

Show 5 more questionsShow fewer questions

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

In 2024, Dr. Lenaeus' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).

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

In 2022 Medicare Part D data, Dr. Lenaeus' most prescribed drugs by claims were Amlodipine Besylate.

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

Dr. Lenaeus graduated from medical school in 2010, 16 years ago.

Does Dr. Michael J. Lenaeus do research?

Dmand AI links 13 publications to Dr. Lenaeus, published from 2017 to 2024.

Who does Dr. Michael J. Lenaeus publish with?

Dr. Lenaeus' most frequent co-authors are Jan Victor Hirschmann, MD (1 shared paper).

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