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Edit this profileAt a glance
- 1 Hospital Dr Sw, Anesthesiology Dept, Huntsville, AL 35801
About Dr. Hass
Based in Huntsville, AL, William H. Hass, MD is listed in the NPI registry under anesthesiology. William graduated from Medical College of Wisconsin in 1972. William is also listed as specializing in anesthesiology — pain medicine. Medicare claims data shows William provided 2,340 services to 2,232 patients. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, and anesthesia for exam of colon using an endoscope. NPI 1801871637 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
- (256) 880-4187
- Email not available
Practice Locations
1 HOSPITAL DR SW ANESTHESIOLOGY DEPT
Huntsville, AL 35801
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
Pain Relief Procedures
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
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 blocks
- Abdominal Nerve Block
- Celiac Plexus Nerve Block
- Ganglion impar block
- Groin nerve block
- Pudendal nerve block
- Superior hypogastric plexus block
Nerve injections
- Celiac plexus block
- Lumbar sympathetic block
- Nerve block
- Rib nerve block
- Shoulder nerve block
- Stellate ganglion block
Nerve procedures
Pain relief procedures
Regional anesthesia
- Adductor canal block
- Brachial plexus block
- Popliteal nerve block
Sedation & anesthesia
- General anesthesia
- Labor epidural
- Moderate dental sedation
- Pre-surgery anesthesia consult
- Sedation for dental work
- Spinal spinal block
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
2,340 services · 2,232 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
876 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
876 | More than most peers in Anesthesiology |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
365 | More than most peers in Anesthesiology |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
205 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | Anaesthesia | 00300 |
18 | More 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 Huntsville 7
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 1972 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for other procedure on large bowel using an endoscope 8
Providers in AL who bill this service to Medicare most often.
Common questions
What is Dr. Hass's specialty?
Dr. Hass is an anesthesiologist in Huntsville, AL. 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. Hass?
Dr. Hass is listed at 1 Hospital Dr Sw Anesthesiology Dept, Huntsville, AL 35801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Hass?
The number on file is (256) 880-4187. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Hass?
Dr. Hass's National Provider Identifier is 1801871637. 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. Hass's medical education?
Dr. Hass attended Medical College of Wisconsin, graduating in 1972. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Hass have?
Dr. Hass has 54 years experience. Calculated from a graduation year of 1972, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Hass known for?
According to Medicare billing data, Dr. Hass provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Hass's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hass. If this is you, claiming it is free.
Guide.md
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