William Watson, MD
NPI 1477947760 · Anesthesiology Physician · Flagstaff, AZ
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Watson, MD is a Anesthesiology Physician provider in Flagstaff, AZ (NPI 1477947760).
Provider details
- NPI number
- 1477947760
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- TRN22072 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
205 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) |
|---|---|---|
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 35 | $12 |
| Anesthesia for Lens Surgery00142 | 31 | $94 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 29 | $57 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 23 | $276 |
| Anesthesia for Retinal Surgery00145 | 19 | $147 |
| Anesthesia for Nerve Destruction Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01940 | 16 | $155 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$217 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
- 2015-03-24
- Last updated
- 2023-12-19
- Certified
- 2023-12-19
Frequently asked questions
- What is William Watson's NPI number?
- William Watson's National Provider Identifier (NPI) is 1477947760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Watson's specialty?
- William Watson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Watson located?
- William Watson's practice location on file with NPPES is 1200 N Beaver St, Flagstaff, AZ 86001-3118.
- What is William Watson's phone number?
- The practice phone number listed in the NPPES registry for William Watson is (928) 773-2505.
- Does William Watson accept Medicare?
- William Watson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Watson's NPI active?
- Yes — William Watson's NPI (1477947760) is active in the NPPES registry as of the last update on 2023-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.