Dennis Williams, DO
NPI 1841206364 · Anesthesiology Physician · Tahlequah, OK
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Williams, DO is a Anesthesiology Physician provider in Tahlequah, OK (NPI 1841206364).
Provider details
- NPI number
- 1841206364
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 4141 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
115 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 48 | $41 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 16 | $158 |
| Anesthesia for X-Ray on Artery of Brain, Heart, Or Chest01926 | 14 | $314 |
| Anesthesia for Procedure on Heart and Large Blood Vessels00560 | 13 | $427 |
| Anesthesia for Procedure on Upper 2/3rd of Thigh Bone01230 | 13 | $142 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 11 | $78 |
Typical Medicare-allowed amounts for these services range $41–$427 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2019-12-09
- Certified
- 2019-12-09
Frequently asked questions
- What is Dennis Williams's NPI number?
- Dennis Williams's National Provider Identifier (NPI) is 1841206364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Williams's specialty?
- Dennis Williams is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Williams located?
- Dennis Williams's practice location on file with NPPES is 1400 E Downing St, Tahlequah, OK 74464-3324.
- What is Dennis Williams's phone number?
- The practice phone number listed in the NPPES registry for Dennis Williams is (918) 456-0641.
- Does Dennis Williams accept Medicare?
- Dennis Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Williams's NPI active?
- Yes — Dennis Williams's NPI (1841206364) is active in the NPPES registry as of the last update on 2019-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.