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Edit this profileWhere to find William G. Grehan, MD
- Melrose Park location main office
701 W North Ave, Melrose Park, IL 60160 - Oak Lawn location
4440 W 95th St, Oak Lawn, IL 60453 - Milwaukee location
2900 W Oklahoma Ave, Milwaukee, WI 53215
About Dr. Grehan
Based in Melrose Park, IL, William G. Grehan, MD is listed in the NPI registry under anesthesiology. William is also listed as specializing in anesthesiology — pain medicine. Medicare claims data shows William provided 304 services to 298 patients. The services billed most often include injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve), anesthesia for procedure for total knee joint replacement, and injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus). NPI 1417961061 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (708) 681-3202
- Email not available
Practice Locations
701 W NORTH AVE
Melrose Park, IL 60160
4440 W 95th St
Oak Lawn, IL 60453
2900 W Oklahoma Ave
Milwaukee, WI 53215
Conditions Commonly Evaluated or Treated
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.
Conditions
Sedation & Phobias
Anesthesia complications
Back & spine
- Arthritis of the spine
- Degenerative disc disease
- Failed back surgery syndrome
- Herniated disc
- Lower back pain
- Neck pain
- Sacroiliac joint pain
- Spinal compression fracture
- Spinal stenosis
- Spondylolisthesis
- Tailbone pain
- Upper Back Pain
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
- Abdominal wall nerve pain
- Complex Regional Pain Syndrome
- Foot Numbness and Tingling
- Groin nerve pain after hernia surgery
- Nerve damage after surgery
- Neuropathy
- Outer thigh burning and numbness
- Phantom limb pain
- Pinched nerve
- Piriformis syndrome
- Sciatica
- Shingles pain
- Tarsal Tunnel Syndrome
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Procedures & services
Nerve blocks
- Celiac Plexus Nerve Block
- Abdominal Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve Blocks
Pain Relief Procedures
Regional anesthesia
Sedation
- In-Office Anesthesia for Plastic Surgery
- Pediatric Dental Sedation
- Sedation for Colonoscopy and Endoscopy
- Sedation for Egg Retrieval
- Sedation for MRI
- Sedation for Vasectomy
- IV sedation for endoscopy
Sedation & anesthesia
- General anesthesia
- Moderate dental sedation
- Sedation for dental work
- Labor epidural
- Pre-surgery anesthesia consult
- Spinal spinal block
Specialized Care
Vascular Access
Ablation
Head & facial procedures
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
- Knee nerve block and ablation
- Peripheral nerve hydrodissection
- Radiofrequency ablation
Pain relief procedures
Spine injections
- Epidural steroid injection
- Facet joint injection
- Medial branch block
- Sacroiliac joint injection
- Tailbone epidural injection
Spine procedures
Procedures Most Often Billed to Medicare
304 services · 298 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | Procedure | 64447 |
74 | More than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | Procedure | 64415 |
47 | More than most peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into knee nerve branch using imaging guidance | Procedure | 64454 |
19 | As often as other peers in Anesthesiology |
| Injection of anesthetic agent and/or steroid into other nerve or branch | Procedure | 64450 |
18 | As often as other peers in Anesthesiology |
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
13 | Less often than most peers in Anesthesiology |
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
65 | More than most peers in Anesthesiology |
| Anesthesia for total hip replacement | Anaesthesia | 01214 |
42 | More than most peers in Anesthesiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
14 | Less often than most peers in Anesthesiology |
| Anesthesia for open or endoscopic total shoulder joint replacement | Anaesthesia | 01638 |
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.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other anesthesiologists in Melrose Park 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Grehan's specialty?
Dr. Grehan is an anesthesiologist in Melrose Park, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where can I find Dr. Grehan?
Dr. Grehan is listed at 701 W North Ave, Melrose Park, IL 60160. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grehan?
The number on file is (708) 681-3202. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Grehan?
Dr. Grehan's National Provider Identifier is 1417961061. 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
What is Dr. Grehan's medical education?
Dr. Grehan attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Grehan have?
Dr. Grehan has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grehan known for?
According to Medicare billing data, Dr. Grehan performs procedures including injection of anesthetic agent and/or steroid into thigh nerve, injection of anesthetic agent and/or steroid into arm nerve bundle and injection of anesthetic agent and/or steroid into knee nerve branch using imaging guidance; reads or performs imaging such as ultrasonic guidance for needle placement; provides treatments such as anesthesia for procedure for total knee joint replacement and anesthesia for total hip replacement. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grehan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grehan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.