Dennis Avery Williams, DO
Anesthesiology Physician · Tahlequah, OK
Dennis Avery Williams, DO is an anesthesiology physician with a practice address in Tahlequah, Oklahoma, and NPI 1841206364, issued on Aug 1, 2006. Check the license (Oklahoma 4141, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Dennis Avery Williams
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 4141 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E Downing St, Tahlequah, OK 74464
- Phone
- (918) 456-0641
- Enumerated
- Aug 1, 2006
- Record last updated
- Dec 9, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 200089720A OK
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 611 in Oklahoma → Look up another NPI →
Also registered at 1400 E Downing St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dennis Avery Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 4141Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 98.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.58
1 payment: food and beverage; the largest payer was Becton, Dickinson and Company. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Dennis Avery Williams among 611 anesthesiology physician records in Oklahoma
Dennis Avery Williams, DO is one of 611 anesthesiology physician records with a practice address in Oklahoma. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2019 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Oklahoma
There are 611 anesthesiology physician records in Oklahoma.
All 611 in Oklahoma → Every provider in Tahlequah → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Brian Harris, D.O.Tahlequah, OK 744641942330485
- Sharon James- Schmidt, M.D.Tahlequah, OK 744641376550236
- Mary King, D.O.Tahlequah, OK 744641154418507
- Carla Jones, DOOkmulgee, OK 744471487691234
- Matthew Wiley, D.O.Okmulgee, OK 744471376830356
- John Saxon, MDMuskogee, OK 744031588783104
- Greg Bachman, MDMuskogee, OK 744011790887180
- Sudhir Daftary, MDMuskogee, OK 744011609978097
Common questions
What is Dennis Avery Williams, DO's NPI number?
Dennis Avery Williams, DO's National Provider Identifier (NPI) is 1841206364, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Avery Williams, DO located?
The NPPES record lists a practice address at 1400 E Downing St, Tahlequah, OK, 74464. Phone: (918) 456-0641. Providers update this record themselves, so call before visiting.
How can I verify Dennis Avery Williams, DO's license?
NPPES lists Oklahoma license number 4141, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Dennis Avery Williams, DO's MIPS final score?
The 2023 MIPS final score is 98.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.