William Ross, M.D.
NPI 1669783064 · Pain Medicine (Anesthesiology) Physician · Phoenix, AZ
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ross, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Phoenix, AZ (NPI 1669783064).
Provider details
- NPI number
- 1669783064
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 49953 (AZ)
Specialties & taxonomies
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,758 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) |
|---|---|---|
| Injection, Triamcinolone Acetonide, Preservative Free, 1 MgJ3300 | 4,501 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 245 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 190 | $130 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 96 | $295 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 70 | $168 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diazepam | 383 | 233 |
| Baclofen | 289 | 99 |
| Oxycodone Hcl | 268 | 54 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 228 | 62 |
| Gabapentin | 206 | 60 |
| Pregabalin | 188 | 63 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$811 across 41 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
Additional practice locations (1)
- 9305 W Thomas Rd Ste 500Phoenix, AZ 85037-3354Phone: (480) 467-2273Fax: (602) 648-4361
Registry dates
- Enumerated
- 2010-06-30
- Last updated
- 2022-05-09
- Certified
- 2022-05-09
Frequently asked questions
- What is William Ross's NPI number?
- William Ross's National Provider Identifier (NPI) is 1669783064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ross's specialty?
- William Ross is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Ross located?
- William Ross's practice location on file with NPPES is 645 E Missouri Ave Ste 300, Phoenix, AZ 85012-1351.
- What is William Ross's phone number?
- The practice phone number listed in the NPPES registry for William Ross is (602) 262-8917.
- Does William Ross accept Medicare?
- William Ross is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ross's NPI active?
- Yes — William Ross's NPI (1669783064) is active in the NPPES registry as of the last update on 2022-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.