LAWRENCE DOUGLAS DREWSEN MD
NPI 1184696239
Anesthesiology in Phoenix, AZ
About Lawrence Douglas Drewsen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE DOUGLAS DREWSEN MD (NPI 1184696239) is an individual anesthesiology provider in Phoenix, Arizona, licensed in Arizona (24018) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Marshfield Medical Center - Weston, and maintains a secondary practice location in Weston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Lawrence Douglas Drewsen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Marshfield Medical Center - Weston
Acute Care Hospitals · Weston, WIMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lawrence Drewsen's NPI number?
The NPI number for Lawrence Drewsen is 1184696239. It was assigned to this individual provider in the NPPES registry on February 3, 2006.
Where is Lawrence Drewsen located?
Lawrence Drewsen practices at 1850 N Central Ave Ste 1600, Phoenix, AZ 85004. The listed phone number is (602) 744-4765.
What is Lawrence Drewsen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Lawrence Drewsen enrolled in Medicare?
Yes. Lawrence Drewsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Lawrence Drewsen accept?
Health plans from Blue Cross Blue Shield of Arizona list Lawrence Drewsen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Lawrence Drewsen affiliated with any hospitals?
According to CMS data, Lawrence Drewsen is affiliated with Marshfield Medical Center - Weston.
When was this NPI record last updated?
The NPPES record for Lawrence Drewsen was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Lawrence Douglas Drewsen, MD · NPI 1184696239
Anesthesiology physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since February 3, 2006.
## Identity
- **NPI:** 1184696239 (Entity type: Individual)
- **Enumerated:** February 3, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 24018 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 1850 N CENTRAL AVE, STE 1600, Phoenix, AZ 85004-4633
- **Phone:** (602) 744-4765 · **Fax:** (602) 744-4799
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Medical College Of Wisconsin, class of 1992
## Record status
- **NPPES last updated:** February 3, 2026
- **Other identifiers:** Other 050050760; Medicaid 350207 (AZ)
---
Source: [NPI Profile](https://npiprofile.com/npi/1184696239) · Data from the CMS NPPES public registry.