George Sieffert, MD
NPI 1598753725 · Vascular Surgery Physician · Reno, NV
George Sieffert, MD is a Vascular Surgery Physician provider in Reno, NV (NPI 1598753725).
Provider details
- NPI number
- 1598753725
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 5079 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-11
- Last updated
- 2011-11-04
Frequently asked questions
- What is George Sieffert's NPI number?
- George Sieffert's National Provider Identifier (NPI) is 1598753725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Sieffert's specialty?
- George Sieffert is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is George Sieffert located?
- George Sieffert's practice location on file with NPPES is 1500 E 2nd Street, Reno, NV 89502-1181.
- What is George Sieffert's phone number?
- The practice phone number listed in the NPPES registry for George Sieffert is (775) 789-7000.
- Is George Sieffert's NPI active?
- Yes — George Sieffert's NPI (1598753725) is active in the NPPES registry as of the last update on 2011-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.