Daniel Warren, MD
NPI 1407821564 · Anesthesiology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Warren, MD is a Anesthesiology Physician provider in Seattle, WA (NPI 1407821564).
Provider details
- NPI number
- 1407821564
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00044805 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
154 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 56 | $52 |
| Daily Hospital Management of Continuous Spinal Drug Administration01996 | 26 | $65 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 17 | $96 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 15 | $106 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 15 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-22
- Last updated
- 2015-04-08
Frequently asked questions
- What is Daniel Warren's NPI number?
- Daniel Warren's National Provider Identifier (NPI) is 1407821564, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Warren's specialty?
- Daniel Warren is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Warren located?
- Daniel Warren's practice location on file with NPPES is 1100 9th Ave, Seattle, WA 98101-2756.
- What is Daniel Warren's phone number?
- The practice phone number listed in the NPPES registry for Daniel Warren is (206) 223-6600.
- Does Daniel Warren accept Medicare?
- Daniel Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Warren's NPI active?
- Yes — Daniel Warren's NPI (1407821564) is active in the NPPES registry as of the last update on 2015-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.