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Edit this profileAt a glance
- 744 S Webster Ave, Green Bay, WI 54301
About Dr. Longnecker
Marshall A. Longnecker, M.D. practices anesthesiology in Green Bay, WI. Marshall is a 1987 graduate of University of Chicago, Pritzker School of Medicine. According to Medicare claims data, the services billed most often include anesthesia for procedure for total knee joint replacement. The provider's National Provider Identifier (NPI) is 1225012743.
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
- (920) 433-3500
- Email not available
Practice Locations
744 S WEBSTER AVE
Green Bay, WI 54301
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
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
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
Sedation
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
11 services · 11 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for procedure for total knee joint replacement | Anaesthesia | 01402 |
11 | 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.
Related specialists at this location 2
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.
Other anesthesiologists in Green Bay 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for procedure for total knee joint replacement 8
Providers in WI who bill this service to Medicare most often.
Common questions
What is Marshall A. Longnecker's specialty?
Marshall A. Longnecker is an anesthesiologist in Green Bay, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where can I find Marshall A. Longnecker?
Marshall A. Longnecker is listed at 744 S Webster Ave, Green Bay, WI 54301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Marshall A. Longnecker?
The number on file is (920) 433-3500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marshall A. Longnecker?
Marshall A. Longnecker's National Provider Identifier is 1225012743. 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 Marshall A. Longnecker's education?
Marshall A. Longnecker attended University of Chicago, Pritzker School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marshall A. Longnecker have?
Marshall A. Longnecker has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Marshall A. Longnecker known for?
According to Medicare billing data, Marshall A. Longnecker provides treatments such as anesthesia for procedure for total knee joint replacement. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marshall A. Longnecker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marshall A. Longnecker. If this is you, claiming it is free.
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