Physician Profile
Based in Oak Lawn, IL, Charles A. Mason, M.D. is listed in the NPI registry under anesthesiology. According to Medicare claims data, Charles cared for 233 Medicare patients across 252 services. The services billed most often include anesthesia for lens surgery, anesthesia for other procedure on eye, and anesthesia for nerve block and injection procedure, prone position.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4440 W 95TH ST
Oak Lawn, IL 60453
755 N 11th St Suite P3600
Beaumont, TX 77702
2900 W Oklahoma Ave
Milwaukee, WI 53215
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
252 services · 233 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for lens surgery | Anaesthesia | 00142 |
206 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on eye | Anaesthesia | 00140 |
19 | As often as other peers in Anesthesiology |
| Anesthesia for nerve block and injection procedure, prone position | Anaesthesia | 01992 |
15 | Less often than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
12 | Less often than most peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Charles A. Mason is an anesthesiologist in Oak Lawn, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Charles A. Mason is listed at 4440 W 95Th St, Oak Lawn, IL 60453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (708) 684-5745. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Charles A. Mason's National Provider Identifier is 1447245048. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Charles A. Mason attended Other, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Charles A. Mason has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Charles A. Mason provides treatments such as anesthesia for lens surgery and anesthesia for other procedure on eye. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Charles A. Mason. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.