Doctor profile · Federal record

Dr. Michael Lenaeus, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Seattle, WA

  • NPI 1316262538
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1959 Ne Pacific St
Seattle, WA 981950001
(206) 598-4333
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
January 8, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Washington #MD60344940
Medicaid
WA #1316262538

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316262538. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
133
Distinct HCPCS
5
Medicare allowed
$15,021
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 62 21 $85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 36 11 $127
99239 Hospital discharge day management, more than 30 minutes 13 13 $124
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $139
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $186

In context: peer comparison

Among 108 peers in Seattle Hospitalist Physician, average services per provider: 77. This provider delivers 1.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Lenaeus's medical specialty?
Dr. Michael Lenaeus practices Hospitalist Physician in Seattle, WA.
Where does Dr. Michael Lenaeus practice?
Dr. Michael Lenaeus practices at 1959 Ne Pacific St, Seattle, WA 981950001. Office phone: 2065984333.
What is Dr. Michael Lenaeus's NPI?
Dr. Michael Lenaeus's National Provider Identifier (NPI) is 1316262538, issued by NPPES.
Does Dr. Michael Lenaeus accept Medicare assignment?
Yes. Dr. Michael Lenaeus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Lenaeus commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.