Nathan Williams
NPI 1346377355 · Anesthesiology Physician · Grand Junction, CO
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Williams is a Anesthesiology Physician provider in Grand Junction, CO (NPI 1346377355).
Provider details
- NPI number
- 1346377355
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 42424 (CO)
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
121 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 | 43 | $43 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 22 | $156 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 21 | $103 |
| Insertion of Tube in Pulmonary Artery for Monitoring93503 | 13 | $84 |
| Anesthesia for Procedure on Heart and Large Blood Vessels00560 | 11 | $546 |
| Injection of Local Anesthetic for Abdominal Wall Pain Control on Both Sides Using Imaging Guidance64488 | 11 | $60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37 across 2 records (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
- 2007-02-27
- Last updated
- 2010-02-17
Frequently asked questions
- What is Nathan Williams's NPI number?
- Nathan Williams's National Provider Identifier (NPI) is 1346377355, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Williams's specialty?
- Nathan Williams is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Williams located?
- Nathan Williams's practice location on file with NPPES is 2635 N 7th St, Grand Junction, CO 81501-8209.
- What is Nathan Williams's phone number?
- The practice phone number listed in the NPPES registry for Nathan Williams is (970) 244-2506.
- Does Nathan Williams accept Medicare?
- Nathan Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Williams's NPI active?
- Yes — Nathan Williams's NPI (1346377355) is active in the NPPES registry as of the last update on 2010-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.