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Edit this profileWhere to find Lawrence D. Drewsen, MD
- Phoenix location main office
1850 N Central Ave, Ste 1600, Phoenix, AZ 85004 - Weston location
Marshfield Clinic Weston Center, 3400 Ministry Pkwy, Weston, WI 54476
About Dr. Drewsen
Based in Phoenix, AZ, Lawrence D. Drewsen, MD is listed in the NPI registry under anesthesiology. Lawrence graduated from Medical College of Wisconsin in 1992. According to Medicare claims data, the services billed most often include anesthesia for other procedure on large bowel using an endoscope. NPI 1184696239 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
- (602) 744-4765
- Email not available
Practice Locations
1850 N CENTRAL AVE STE 1600
Phoenix, AZ 85004
Marshfield Clinic Weston Center 3400 Ministry Pkwy
Weston, WI 54476
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
- Hip radiofrequency ablation
Head & facial procedures
- Botox for chronic migraines
- Facial nerve block for headache
- Occipital nerve block
Implants & devices
- Pain pump implant
- Pain pump refill and check
- Peripheral nerve stimulator implant
- Spinal cord stimulator implant
- Spinal cord stimulator trial
Infusion therapies
- Ketamine infusion therapy
Infusion therapy
- Lidocaine Infusion for Chronic Pain
Joint injections
- Joint injection or aspiration
- Ultrasound-guided hip injection
Muscle injections
- Trigger-point injection
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
- Knee nerve block and ablation
- Peripheral nerve hydrodissection
- Radiofrequency ablation
Pain relief procedures
- Cryoneurolysis
Regional anesthesia
- Adductor canal block
- Brachial plexus block
- Popliteal nerve block
Sedation
- IV sedation for endoscopy
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
- Blood patch for spinal headache
- Epidural Lysis Of Adhesions
- Interspinous Spacer
- Kyphoplasty
- Mild procedure for spinal stenosis
- Percutaneous disc decompression
- Spinal bone nerve ablation
- Vertebroplasty
Procedures Most Often Billed to Medicare
15 services · 15 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
15 | 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 8
Same specialty, same street address — most likely the same department or group.
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 Phoenix 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 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 AZ who bill this service to Medicare most often.
Common questions
What does Dr. Drewsen specialize in?
Dr. Drewsen is an anesthesiologist in Phoenix, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Where is Dr. Drewsen located?
Dr. Drewsen is listed at 1850 N Central Ave Ste 1600, Phoenix, AZ 85004. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Drewsen's phone number?
The number on file is (602) 744-4765. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Drewsen?
Dr. Drewsen's National Provider Identifier is 1184696239. 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
Where did Dr. Drewsen go to medical school?
Dr. Drewsen attended Medical College of Wisconsin, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Drewsen have?
Dr. Drewsen has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Drewsen do most often?
According to Medicare billing data, Dr. Drewsen provides treatments such as anesthesia for other procedure on large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Drewsen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Drewsen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.