Lawrence Douglas Drewsen, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

24018 Issued in AZ

Practice address

1850 N Central Ave
Ste 1600
Phoenix, AZ 85004-4633

Phone

(602) 744-4765

Fax

(602) 744-4799

NPI assigned

Feb 3, 2006

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in AZ, WI2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Anesthesiology

Education

Medical College of Wisconsin, 1992

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MCHS Hospitals IncGroup PAC ID 5698071173, shared by 28 NPIs, 1,195 clinicians

Yuma Regional Medical CenterGroup PAC ID 2062314826, 367 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Yuma Regional Medical Center Hospital, Yuma, AZ, CCN 030013
• Marshfield Medical Center - Weston Hospital, Weston, WI, CCN 520202
• Marshfield Medical Center - Minocqua Hospital, Minocqua, WI, CCN 520212

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Yuma Regional Medical Center

  • General Acute Care Hospital
  • Yuma, AZ
  • NPI 1194706655
  Medicare reassignment Care Compare group NPD
• Valley Anesthesiology Consultants, Inc.

  • Anesthesiology Physician
  • Phoenix, AZ
  • NPI 1285660704
  Medicare reassignment NPD
• Beaver Dam Community Hospitals Inc

  • Clinic/Center
  • Beaver Dam, WI
  • NPI 1972188555
  Medicare reassignment NPD
• Flambeau Hospital Inc

  • Clinic/Center
  • Park Falls, WI
  • NPI 1194317966
  Medicare reassignment NPD
• Flambeau Hospital Inc

  • Critical Access Hospital
  • Park Falls, WI
  • NPI 1700963048
  Medicare reassignment NPD
• Lakeview Medical Center Inc of Rice Lake

  • Clinic/Center
  • Rice Lake, WI
  • NPI 1093201832
  Medicare reassignment NPD
• Marshfield Clinic Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1952347981
  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Clinic/Center
  • Marshfield, WI
  • NPI 1093221434

  Anesthesiology

  Medicare reassignment NPD
• MCHS Hospitals Inc

  • Critical Access Hospital
  • Ladysmith, WI
  • NPI 1952890873
  Medicare reassignment NPD
• Memorial Hospital Inc

  • Critical Access Hospital
  • Neillsville, WI
  • NPI 1346239373
  Medicare reassignment NPD
• Vituity-Wisconsin Anesthesia SC

  • Anesthesiology Physician
  • Pleasant Prairie, WI
  • NPI 1821831975
  Medicare reassignment NPD
• Beaver Dam Community Hospitals Inc

  • Pharmacy
  • Beaver Dam, WI
  • NPI 1295771780
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Yuma Regional Medical Center

  • General Acute Care Hospital
  • Yuma, AZ
  • NPI 1194706655
  Care Compare affiliation
• MCHS Hospitals Inc

  • Rural Acute Care Hospital
  • Minocqua, WI
  • NPI 1376197665
  Care Compare affiliation
• MCHS Hospitals Inc

  • General Acute Care Hospital
  • Weston, WI
  • NPI 1902437650
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1138924800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1184696239",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1850 N CENTRAL AVE STE 1600",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850044633",
            "telephone_number": "602-744-4765",
            "fax_number": "602-744-4799"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1850 N CENTRAL AVE",
            "address_2": "STE 1600",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850044633",
            "telephone_number": "602-744-4765",
            "fax_number": "602-744-4799"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "Marshfield Clinic Weston Center",
            "address_2": "3400 Ministry Pkwy",
            "address_purpose": "LOCATION",
            "city": "Weston",
            "state": "WI",
            "postal_code": "544765213",
            "country_code": "US",
            "telephone_number": "715-393-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DREWSEN",
        "first_name": "LAWRENCE",
        "middle_name": "DOUGLAS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-03",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "WI",
            "license": "34966-20",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "AZ",
            "license": "24018",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "050050760",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "350207",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Gina Drew
• Mary Susan Drew, COTA/L
• Richard Drew
• Rupali Drewek, MD
• David J. Drewitz, M.D.
• Suzanne M Drewsen, M.D.
• Kimberly Drexel, LCSW
• Alison Drexler, OTD
• Julie Eileen Dricken, MD
• Isela Drieling, D.O.

• Anesthesiology Physician in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Anesthesiology Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.