NPPES file of Aug 9, 2026

Zachary Siegler, DDS

Endodontics · Tulsa, OK

Zachary Siegler, DDS is an endodontics with a practice address in Tulsa, Oklahoma, and NPI 1811560766, issued on Jul 19, 2021. Check the license (Oklahoma 83, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811560766
Name
Zachary Siegler
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License number
83 OK
Self-reported in NPPES; status is on the state search
Practice location
6565 S Yale Ave Ste 712, Tulsa, OK 74136
Phone
(918) 481-6622
Enumerated
Jul 19, 2021
Record last updated
Jul 19, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6565 S Yale Ave Ste 712

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Denny Southard, DDSEndodontics1013187186

Verify Zachary Siegler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 83
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oklahoma license search

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74% fewer Medicare Part D claims than the average endodontics in 2024

32 Medicare Part D claims for 30 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Zachary Siegler32
  2. Specialty average121

Most prescribed

  1. Amoxicillin16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $29.10

1 payment: food and beverage; the largest payer was Peter Brasseler Holdings, LLC. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Siegler$29
  2. Specialty average$49,740

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Endodontics providers in Oklahoma

There are 43 endodontics records in Oklahoma.

Other endodontics records in Oklahoma

  1. Ronald Anderson, D.D.S., M.S.Tulsa, OK1649287442
  2. Robert Augsburger, DDS,MSTulsa, OK1609984525
  3. William Beasley, DDSOklahoma City, OK1982616256
  4. Fred Benenati, D.D.S.Oklahoma City, OK1841413218
  5. Kenneth Bezan, DMDTulsa, OK1598707895
  6. John Biggs, DDSNorman, OK1598864175
  7. Stephen Biggs, DDSOklahoma City, OK1396901567
  8. Ahren Blake, DDSFort Sill, OK1619585833
  9. Percy Bolen, DDSNorman, OK1548369135
  10. Sam Campbell, DDSTahlequah, OK1275190688

Common questions

What is Zachary Siegler, DDS's NPI number?

Zachary Siegler, DDS's National Provider Identifier (NPI) is 1811560766, issued on Jul 19, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Siegler, DDS located?

The NPPES record lists a practice address at 6565 S Yale Ave Ste 712, Tulsa, OK, 74136. Phone: (918) 481-6622. Providers update this record themselves, so call before visiting.

How can I verify Zachary Siegler, DDS's license?

NPPES lists Oklahoma license number 83, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

How much does Zachary Siegler, DDS prescribe under Medicare Part D?

In 2024, Zachary Siegler, DDS had 32 Medicare Part D claims for 30 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.