Lawrence Douglas Drewsen, MD - Medicare Anesthesiology in Phoenix, AZ

Lawrence Douglas Drewsen, MD is a medicare enrolled "Anesthesiology" physician in Phoenix, Arizona. He went to Medical College Of Wisconsin and graduated in 1992 and has 32 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Yuma Regional Medical Center, Anesthesia Services Of Arizona Pc and his current practice location is 1850 N Central Ave, Ste 1600, Phoenix, Arizona. You can reach out to his office (for appointments etc.) via phone at (602) 744-4765.

Lawrence Douglas Drewsen is licensed to practice in Arizona (license number 24018) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1184696239.

Contact Information

Lawrence Douglas Drewsen, MD
1850 N Central Ave, Ste 1600,
Phoenix, AZ 85004-4633
(602) 744-4765
(602) 744-4799

Map and Direction




Physician's Profile

Full NameLawrence Douglas Drewsen
GenderMale
SpecialityAnesthesiology
Experience32 Years
Location1850 N Central Ave, Phoenix, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Lawrence Douglas Drewsen attended and graduated from Medical College Of Wisconsin in 1992
  NPI Data:
  • NPI Number: 1184696239
  • Provider Enumeration Date: 02/03/2006
  • Last Update Date: 10/27/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6901090018
  • Enrollment ID: I20101103000244

Medical Identifiers

Medical identifiers for Lawrence Douglas Drewsen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184696239NPI-NPPES
350207MedicaidAZ
050050760OtherMEDICARE RAILROAD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 24018 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Canyon Vista Medical CenterSierra vista, AZHospital
Yuma Regional Medical CenterYuma, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yuma Regional Medical Center2062314826288
Anesthesia Services Of Arizona Pc660824737458

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Lawrence Douglas Drewsen allows following entities to bill medicare on his behalf.
Entity NameValley Anesthesiology Consultants Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285660704
PECOS PAC ID: 4880591841
Enrollment ID: O20031217000620
Entity NameYuma Regional Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1194706655
PECOS PAC ID: 2062314826
Enrollment ID: O20040122000526
Entity NameAnesthesia Services Of Arizona Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336857085
PECOS PAC ID: 6608247374
Enrollment ID: O20230118000286

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Lawrence Douglas Drewsen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Lawrence Douglas Drewsen, MD
1850 N Central Ave, Ste 1600,
Phoenix, AZ 85004-4633

Ph: (602) 744-4765
Lawrence Douglas Drewsen, MD
1850 N Central Ave, Ste 1600,
Phoenix, AZ 85004-4633

Ph: (602) 744-4765

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.