Doctor profile · Federal record

Dr. Daniel Warren, MD

Anesthesiology Physician (CMS: Anesthesiology) · Seattle, WA

  • NPI 1407821564
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 9Th Ave
Seattle, WA 981012756
(206) 223-6600

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
April 8, 2015
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Washington #MD00044805
Medicaid
WA #8437766

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407821564. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
154
Distinct HCPCS
7
Medicare allowed
$12,016
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 38 37 $71
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 23 $53
01996 Daily hospital management of continuous spinal drug administration 23 20 $66
62323 Injection of substance into lower spine canal using imaging guidance 23 21 $103
99214 Established patient office or other outpatient visit, 30-39 minutes 15 15 $105
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 12 $85
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 14 14 $84

In context: peer comparison

Among 172 peers in this city , average services per provider: 23. This provider delivers 6.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Warren's medical specialty?
Dr. Daniel Warren practices Anesthesiology Physician in Seattle, WA.
Where does Dr. Daniel Warren practice?
Dr. Daniel Warren practices at 1100 9Th Ave, Seattle, WA 981012756. Office phone: 2062236600.
What is Dr. Daniel Warren's NPI?
Dr. Daniel Warren's National Provider Identifier (NPI) is 1407821564, issued by NPPES.
Does Dr. Daniel Warren accept Medicare assignment?
Yes. Dr. Daniel Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Warren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Daily hospital management of continuous spinal drug administration (HCPCS 01996). Source: CMS Medicare Physician & Other Practitioners file.