Phillip Williams, MD
NPI 1093939167 · Anesthesiology Physician · Arlington Heights, IL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Phillip Williams, MD is a Anesthesiology Physician provider in Arlington Heights, IL (NPI 1093939167).
Provider details
- NPI number
- 1093939167
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036079991 (IL)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
91 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 39 | $130 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 29 | $140 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 23 | $132 |
Typical Medicare-allowed amounts for these services range $130–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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
Additional practice locations (1)
- 4201 W Medical Center DrMchenry, IL 60050-8409Phone: (815) 344-5000Fax: (815) 344-3347
Registry dates
- Enumerated
- 2007-04-12
- Last updated
- 2024-02-01
- Certified
- 2024-02-01
Frequently asked questions
- What is Phillip Williams's NPI number?
- Phillip Williams's National Provider Identifier (NPI) is 1093939167, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Phillip Williams's specialty?
- Phillip Williams is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Phillip Williams located?
- Phillip Williams's practice location on file with NPPES is 1100 W Central Rd, Arlington Heights, IL 60005-2402.
- What is Phillip Williams's phone number?
- The practice phone number listed in the NPPES registry for Phillip Williams is (847) 259-5408.
- Does Phillip Williams accept Medicare?
- Phillip Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Phillip Williams's NPI active?
- Yes — Phillip Williams's NPI (1093939167) is active in the NPPES registry as of the last update on 2024-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.