John Seifert, DO
NPI 1205802931 · Anesthesiology Physician · Willmar, MN
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Seifert, DO is a Anesthesiology Physician provider in Willmar, MN (NPI 1205802931).
Provider details
- NPI number
- 1205802931
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- License
- 35313 (MN)
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
151 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) |
|---|---|---|
| Anesthesia for Other Procedure on Upper Abdomen00790 | 32 | $149 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 31 | $72 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 25 | $62 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 22 | $140 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 14 | $74 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 14 | $115 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-23
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Seifert's NPI number?
- John Seifert's National Provider Identifier (NPI) is 1205802931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Seifert's specialty?
- John Seifert is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Seifert located?
- John Seifert's practice location on file with NPPES is 101 Willmar Ave Sw, Willmar, MN 56201-3556.
- What is John Seifert's phone number?
- The practice phone number listed in the NPPES registry for John Seifert is (320) 231-5000.
- Does John Seifert accept Medicare?
- John Seifert is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Seifert's NPI active?
- Yes — John Seifert's NPI (1205802931) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.