William Checkley, MD PHD
NPI 1346386760 · Pulmonary Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Checkley, MD PHD is a Pulmonary Disease Physician provider in Baltimore, MD (NPI 1346386760).
Provider details
- NPI number
- 1346386760
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- T4686 (MD)
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
645 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) |
|---|---|---|
| Test to Examine How Well the Lungs Exchange Gases94729 | 128 | $59 |
| Test to Measure Expiratory Airflow and Volume94010 | 126 | $28 |
| Critical Care, First 30-74 Minutes99291 | 94 | $217 |
| Test to Measure Expiratory Airflow and Volume94010 | 91 | $8 |
| Test to Determine Lung Volumes Using Sensors94726 | 50 | $56 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $121 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-30
- Last updated
- 2009-12-03
Frequently asked questions
- What is William Checkley's NPI number?
- William Checkley's National Provider Identifier (NPI) is 1346386760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Checkley's specialty?
- William Checkley is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Checkley located?
- William Checkley's practice location on file with NPPES is 1830 E Monument St, Baltimore, MD 21205-2100.
- What is William Checkley's phone number?
- The practice phone number listed in the NPPES registry for William Checkley is (410) 955-3467.
- Does William Checkley accept Medicare?
- William Checkley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Checkley's NPI active?
- Yes — William Checkley's NPI (1346386760) is active in the NPPES registry as of the last update on 2009-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.