William Phillips, M.D.
NPI 1528083029 · Critical Care Medicine (Anesthesiology) Physician · Cleveland, OH
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Phillips, M.D. is a Critical Care Medicine (Anesthesiology) Physician provider in Cleveland, OH (NPI 1528083029).
Provider details
- NPI number
- 1528083029
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35.099519 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
297 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 176 | $202 |
| Critical Care, Each Additional 30 Minutes99292 | 52 | $102 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 22 | $80 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 19 | $42 |
| Diagnostic Exam of Lung Airway Using an Endoscope31622 | 15 | $117 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 13 | $99 |
Typical Medicare-allowed amounts for these services range $42–$202 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2016-11-09
Frequently asked questions
- What is William Phillips's NPI number?
- William Phillips's National Provider Identifier (NPI) is 1528083029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Phillips's specialty?
- William Phillips is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Phillips located?
- William Phillips's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is William Phillips's phone number?
- The practice phone number listed in the NPPES registry for William Phillips is (615) 322-3000.
- Does William Phillips accept Medicare?
- William Phillips is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Phillips's NPI active?
- Yes — William Phillips's NPI (1528083029) is active in the NPPES registry as of the last update on 2016-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.