Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Lawrence Douglas Drewsen, MD

Individual provider Anesthesiology Physician · NPI 1184696239

Lawrence Douglas Drewsen, MD is an Anesthesiology in Phoenix, Arizona. Graduated from Medical College of Wisconsin in 1992, 34 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and Wisconsin.

Years since qualifying
34
Trained at
Medical College of Wisconsin
Licensed in
AZ, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1850 N Central Ave Ste 1600
Phoenix, AZ 85004-4633
Phone: (602) 744-4765
Fax: (602) 744-4799
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • Marshfield Clinic Weston Center, Weston, WI 54476-5213 — (715) 393-1000

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 24018 (AZ)
Anesthesiology Physician Taxonomy 207L00000X · Licence 34966-20 (WI)

Record details

NPI number1184696239
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 3, 2006
Last updated in NPPESFebruary 3, 2026
Certification dateFebruary 3, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1992 (34 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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