Doctor profile · Federal record

Dr. Stephen Lopez, MD

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

  • NPI 1003076332
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
925 Seneca St
Seattle, WA 981012742
(206) 341-0860
Mailing address
1100 9Th Ave, MS M4-Pfs
Seattle, WA 981012756

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 5, 2021
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Washington #MD60212084
Medicaid
WA #1003076332

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003076332. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
230
Distinct HCPCS
3
Medicare allowed
$36,429
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 113 112 $140
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 106 106 $186
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 11 11 $85

In context: peer comparison

Among 108 peers in Seattle Hospitalist Physician, average services per provider: 77. This provider delivers 3.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Lopez's medical specialty?
Dr. Stephen Lopez practices Hospitalist Physician in Seattle, WA.
Where does Dr. Stephen Lopez practice?
Dr. Stephen Lopez practices at 925 Seneca St, Seattle, WA 981012742. Office phone: 2063410860.
What is Dr. Stephen Lopez's NPI?
Dr. Stephen Lopez's National Provider Identifier (NPI) is 1003076332, issued by NPPES.
Does Dr. Stephen Lopez accept Medicare assignment?
Yes. Dr. Stephen Lopez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Lopez commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.