Dr. Timothy D. Sielaff, MD, PhD
- Part D claims, 2019
- 12
- Industry payments
- $32,529
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 800 E 28th Street, Minneapolis, MN 55407-3799
- Practice phone
- Call (612) 863-4633
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Sielaff'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. Timothy D. Sielaff is a general surgeon in Minneapolis, Minnesota
Dr. Sielaff practices in Minneapolis, Minnesota.
Dr. Sielaff's NPI, 1922060177, was assigned on April 4, 2006. Dr. Sielaff holds Minnesota license 35316.
- NPI
- 1922060177NPI Registry (opens in a new tab)
- NPI enumeration date
- April 4, 2006
- NPI status
- Active
- Practice phone
- (612) 863-4633
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Timothy D. Sielaff's practice address is in Minneapolis, Minnesota
Dr. Sielaff's practice address in the NPI Registry is 800 E 28th Street, Minneapolis, MN 55407-3799. The practice phone is (612) 863-4633.
- NPI Registry address800 E 28th Street, Minneapolis, MN 55407-3799Phone(612) 863-4633
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Timothy D. Sielaff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sielaff practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Sielaff's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Timothy D. Sielaff is one of 616 general surgeons in Minnesota
Surgery is Dr. Sielaff's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Sielaff is licensed in Minnesota.
Specialties and state licenses
- Surgery, MinnesotaPrimary
General surgeons near Dr. Sielaff
Counts of general 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. Timothy D. Sielaff's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Sielaff's median patient age at 77, with 100% women.
Dr. Sielaff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Timothy D. Sielaff wrote 12 Medicare Part D claims in 2019
In 2019, Dr. Sielaff wrote 12 Medicare Part D claims. They cover 1 drug, with $1,579 in total drug cost.
Dr. Sielaff's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Timothy D. Sielaff received $32,529 in industry payments from 2019 to 2025
CMS Open Payments shows 9 general payments to Dr. Sielaff from 3 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 88% of the total. Novartis Pharmaceuticals Corporation paid the most, $28,525.
General payments to Dr. Sielaff by program year, 2019 to 2025
General payments to Dr. Sielaff by kind, 2019 to 2025
- Consulting fees$28,52588%
- Speaker and faculty fees$3,24110%
- Food and beverage$3851%
- Travel and lodging$3781%
Companies that paid Dr. Sielaff the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Timothy D. Sielaff'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 Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Timothy D. Sielaff
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. Timothy D. Sielaff's NPI number?
Dr. Timothy D. Sielaff's NPI number is 1922060177. It was assigned on April 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy D. Sielaff?
Dr. Timothy D. Sielaff is a general surgeon in Minneapolis, Minnesota. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Timothy D. Sielaff practice?
Dr. Sielaff practices at 800 E 28th Street, Minneapolis, MN 55407-3799.
What is Dr. Timothy D. Sielaff's office phone number?
The practice phone on file for Dr. Sielaff is (612) 863-4633.
What is Dr. Timothy D. Sielaff's medical license number?
Dr. Sielaff holds Minnesota license 35316.
What drugs does Dr. Timothy D. Sielaff prescribe most?
In 2019 Medicare Part D data, Dr. Sielaff's most prescribed drugs by claims were Narcan.
Has Dr. Timothy D. Sielaff received payments from drug or device companies?
CMS Open Payments shows $32,529 in general payments to Dr. Sielaff from 3 companies from 2019 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Timothy D. Sielaff been practicing?
Dr. Sielaff's NPI was assigned in 2006.
Selling to surgery practices?
See general surgeons in Minnesota by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card