Dr. George Frederick Sieffert, MD
- Medicare services, 2020
- 12
- Industry payments
- $850
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 1500 E 2nd Street #206 #206, Reno, NV 89502
- Practice phone
- Call (775) 789-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
General And Vascular Associates
Surgical practice · Reno, Nevada
Find Dr. Sieffert's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. George Frederick Sieffert is a vascular surgeon in Reno, Nevada
Dr. Sieffert practices at General And Vascular Associates in Reno, Nevada.
Dr. Sieffert's NPI, 1598753725, was assigned on October 11, 2005. Dr. Sieffert graduated from College of Medicine - Tucson in 1975. Dr. Sieffert's Nevada license number on file is 5079.
- NPI
- 1598753725NPI Registry (opens in a new tab)
- NPI enumeration date
- October 11, 2005
- NPI status
- Active
- Practice phone
- (775) 789-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George Frederick Sieffert practices at 2 locations in Reno, Nevada
Dr. Sieffert's primary practice is General and Vascular Associates, at 1500 E 2nd Street #206 #206, Reno, NV 89502. The practice phone is (775) 789-7000. The NPI Registry lists Dr. Sieffert's practice address as 1155 Mill St, Reno, NV 89502.
- General and Vascular AssociatesPrimary1500 E 2nd Street #206 #206, Reno, NV 89502Phone(775) 789-7000
- NPI Registry address1155 Mill St, Reno, NV 89502 · Washoe CountyPhone(775) 789-7000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. George Frederick Sieffert is affiliated with 1 site of care and 1 medical group
Dr. Sieffert's primary practice is General And Vascular Associates in Reno, Nevada. Dmand AI also links Dr. Sieffert to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. George Frederick Sieffert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sieffert practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| General And Vascular Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. George Frederick Sieffert is one of 33 vascular surgeons in Nevada
Vascular surgery is Dr. Sieffert's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dmand AI has Dr. Sieffert's licenses on file in 2 states: Nevada and California.
Specialties and state licenses
- Vascular surgery, NevadaPrimary
- California license
Vascular surgeons near Dr. Sieffert
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. George Frederick Sieffert billed Medicare for 12 services in 2020
CMS data shows 12 Medicare services from Dr. Sieffert across 1 procedure code in 2020. Medicare paid $1,870 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sieffert's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Surgery
- 2019: 112020: 129%
Dr. Sieffert compared with the Nevada median for vascular surgeons, 2020
- Dr. Sieffert
- Nevada median
- Medicare services
- 12vs 33996% below
Medians across 28 vascular surgeons in Nevada with Dmand AI profiles that report each measure.
Dr. Sieffert's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
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Dr. George Frederick Sieffert received $850 in industry payments from 2016 to 2021
CMS Open Payments shows 8 general payments to Dr. Sieffert from 5 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $470.
General payments to Dr. Sieffert by program year, 2016 to 2021
Companies that paid Dr. Sieffert the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. George Frederick Sieffert graduated from College of Medicine - Tucson
Dr. Sieffert graduated from College of Medicine - Tucson in 1975.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. George Frederick Sieffert accepts plans from 1 insurance carrier
Dr. Sieffert is in network with 1 carrier, including NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- NV State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. George Frederick Sieffert's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. George Frederick Sieffert
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. George Frederick Sieffert's NPI number?
Dr. George Frederick Sieffert's NPI number is 1598753725. It was assigned on October 11, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. George Frederick Sieffert?
Dr. George Frederick Sieffert is a vascular surgeon in Reno, Nevada. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. George Frederick Sieffert practice?
Dr. Sieffert practices at 1500 E 2nd Street #206 #206, Reno, NV 89502. Dr. Sieffert also practices at 1155 Mill St, Reno, NV 89502. Dr. Sieffert's primary practice is General And Vascular Associates in Reno, Nevada. Dmand AI also links Dr. Sieffert to 1 medical group.
What is Dr. George Frederick Sieffert's office phone number?
The practice phone on file for Dr. Sieffert is (775) 789-7000.
What is Dr. George Frederick Sieffert's medical license number?
Dr. Sieffert's Nevada license number on file is 5079, one of the licenses on file in 2 states.
Which states has Dr. George Frederick Sieffert been licensed in?
Dmand AI has state licenses on file for Dr. Sieffert in Nevada (1984 to 2023) and California (1980 to 2023).
Does Dr. George Frederick Sieffert accept Medicare?
Yes. CMS data shows Dr. Sieffert billed Medicare for 12 services in 2020.
What services does Dr. George Frederick Sieffert bill to Medicare?
In 2020, Dr. Sieffert's most billed Medicare services were surgery: heart and blood vessels (35301).
Where did Dr. George Frederick Sieffert go to medical school?
Dr. Sieffert graduated from College of Medicine - Tucson in 1975.
Has Dr. George Frederick Sieffert received payments from drug or device companies?
CMS Open Payments shows $850 in general payments to Dr. Sieffert from 5 companies from 2016 to 2021. The largest total came from Medtronic Vascular, Inc.
How long has Dr. George Frederick Sieffert been practicing?
Dr. Sieffert graduated from medical school in 1975, 51 years ago.
What insurance does Dr. George Frederick Sieffert accept?
Dr. Sieffert is in network with 1 carrier, including NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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