William Landphair, D.O.
NPI 1467742577 · Pain Medicine (Anesthesiology) Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Landphair, D.O. is a Pain Medicine (Anesthesiology) Physician provider in Chicago, IL (NPI 1467742577).
Provider details
- NPI number
- 1467742577
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036.140105 (IL)
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
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
674 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 363 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 109 | $133 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 71 | $16 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 39 | $101 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 489 | 122 |
| Pregabalin | 384 | 131 |
| Gabapentin | 219 | 72 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 145 | 35 |
| Cyclobenzaprine Hcl | 106 | 41 |
| Methocarbamol | 100 | 50 |
| Tizanidine Hcl | 95 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,032 across 16 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)
- 520 S Maple AveOak Park, IL 60304-1022Phone: (312) 563-3970
Registry dates
- Enumerated
- 2011-04-10
- Last updated
- 2023-05-07
- Certified
- 2023-05-07
Frequently asked questions
- What is William Landphair's NPI number?
- William Landphair's National Provider Identifier (NPI) is 1467742577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Landphair's specialty?
- William Landphair is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Landphair located?
- William Landphair's practice location on file with NPPES is 1725 W Harrison St Ste 550, Chicago, IL 60612-3846.
- What is William Landphair's phone number?
- The practice phone number listed in the NPPES registry for William Landphair is (312) 942-6631.
- Does William Landphair accept Medicare?
- William Landphair is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Landphair's NPI active?
- Yes — William Landphair's NPI (1467742577) is active in the NPPES registry as of the last update on 2023-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.