Zachary Siegler, DDS
- Part D claims, 2024
- 32
- Hospital affiliations
- 1
- Industry payments
- $230
- Medical group
- 1
- State license
- 1
- Practice address
- 1923 South Utica Avenue, Tulsa, OK 74104
- Practice phone
- Call (918) 744-2296
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Zachary Siegler'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.
Zachary Siegler is an endodontist in Tulsa, Oklahoma
Zachary Siegler practices at Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance.
Zachary Siegler's NPI, 1811560766, was assigned on July 19, 2021. Zachary Siegler holds Oklahoma license 83.
- NPI
- 1811560766NPI Registry (opens in a new tab)
- NPI enumeration date
- July 19, 2021
- NPI status
- Active
- Practice phone
- (918) 744-2296
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Zachary Siegler practices at Ascension St. John Medical Center in Tulsa, Oklahoma
Zachary Siegler's primary practice is Ascension St. John Medical Center, at 1923 South Utica Avenue, Tulsa, OK 74104 in Tulsa County. The practice phone is (918) 744-2296.
- Ascension St. John Medical Center1923 South Utica Avenue, Tulsa, OK 74104 · Tulsa CountyPhone(918) 744-2296
Source: Dmand AI Affiliation Data
Zachary Siegler is affiliated with 3 sites of care and 1 medical group
Zachary Siegler's primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dmand AI also links Zachary Siegler to 1 group practice or clinic, 1 urgent care center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Zachary Siegler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Zachary Siegler practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St. John Medical Center | Available with a free account |
| +2 more sites and 1 medical group | 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 Ascension Health Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Zachary Siegler is one of 25 endodontists in Oklahoma
Endodontics is Zachary Siegler's primary specialty in the NPI Registry, under taxonomy code 1223E0200X. Zachary Siegler is licensed in Oklahoma.
Specialties and state licenses
- Endodontist, OklahomaPrimary
Endodontists near Zachary Siegler
Counts of endodontists 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
Zachary Siegler's patients have a median age of 55
Across all payers, Dmand AI patient panel data puts Zachary Siegler's median patient age at 55, with 0% women.
Zachary Siegler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Zachary Siegler wrote 32 Medicare Part D claims in 2024
In 2024, Zachary Siegler wrote 32 Medicare Part D claims for 30 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Zachary Siegler's Part D claims, 2024
- Antibiotics84%27 of 32 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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.
Zachary Siegler received $230 in industry payments in 2025
CMS Open Payments shows 3 general payments to Zachary Siegler from 2 drug and device companies in 2025. Food and beverage make up the largest share, 66% of the total. A-dec, Inc. paid the most, $152.
General payments to Zachary Siegler by kind, 2025 to 2025
- Food and beverage$15266%
- Speaker and faculty fees$7934%
Companies that paid Zachary Siegler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Zachary Siegler'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Zachary Siegler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Zachary Siegler's NPI number?
Zachary Siegler's NPI number is 1811560766. It was assigned on July 19, 2021, and it is active in the NPI Registry.
What does Zachary Siegler specialize in?
Zachary Siegler is an endodontist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Endodontist (taxonomy code 1223E0200X).
Where does Zachary Siegler practice?
Zachary Siegler practices at 1923 South Utica Avenue, Tulsa, OK 74104. Zachary Siegler's primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dmand AI also links Zachary Siegler to 1 group practice or clinic, 1 urgent care center and 1 medical group.
What is Zachary Siegler's office phone number?
The practice phone on file for Zachary Siegler is (918) 744-2296.
What is Zachary Siegler's medical license number?
Zachary Siegler holds Oklahoma license 83.
Which hospitals is Zachary Siegler affiliated with?
Zachary Siegler practices at Ascension St. John Medical Center in Tulsa, Oklahoma.
Has Zachary Siegler received payments from drug or device companies?
CMS Open Payments shows $230 in general payments to Zachary Siegler from 2 companies from 2025 to 2025. The largest total came from A-dec, Inc.
How long has Zachary Siegler been practicing?
Zachary Siegler's NPI was assigned in 2021.
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