William Andrew Watson, MD - Medicare Anesthesiology in Flagstaff, AZ

William Andrew Watson, MD is a medicare enrolled "Anesthesiology" physician in Flagstaff, Arizona. He went to New York Medical College and graduated in 2015 and has 9 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Southwestern Eye Center, Ltd, Anesthesia Partners Of Arizona Llc and his current practice location is 1200 N Beaver St, Flagstaff, Arizona. You can reach out to his office (for appointments etc.) via phone at (928) 773-2505.

William Andrew Watson is licensed to practice in Arizona (license number 57729) 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 1477947760.

Contact Information

William Andrew Watson, MD
1200 N Beaver St,
Flagstaff, AZ 86001-3118
(928) 773-2505
(928) 773-2504

Map and Direction




Physician's Profile

Full NameWilliam Andrew Watson
GenderMale
SpecialityAnesthesiology
Experience9 Years
Location1200 N Beaver St, Flagstaff, 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:
  • William Andrew Watson attended and graduated from New York Medical College in 2015
  NPI Data:
  • NPI Number: 1477947760
  • Provider Enumeration Date: 03/24/2015
  • Last Update Date: 12/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3779816913
  • Enrollment ID: I20190603003118

Medical Identifiers

Medical identifiers for William Andrew Watson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477947760NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology TRN22072 (Florida)Secondary
207L00000XAnesthesiology A172140 (California)Secondary
207L00000XAnesthesiology 57729 (Arizona)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southwestern Eye Center, Ltd1850296989102
Anesthesia Partners Of Arizona Llc8628317179184

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. William Andrew Watson allows following entities to bill medicare on his behalf.
Entity NameSouthwestern Eye Center, Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063187
PECOS PAC ID: 1850296989
Enrollment ID: O20031203000181
Entity NameBarnet Dulaney Perkins Eye Center, Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376574707
PECOS PAC ID: 0749288298
Enrollment ID: O20061117000349
Entity NameAnesthesia Partners Of Arizona Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619452901
PECOS PAC ID: 8628317179
Enrollment ID: O20190228001927

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. William Andrew Watson 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
William Andrew Watson, MD
1200 N Beaver St,
Flagstaff, AZ 86001-3118

Ph: (928) 213-6235
William Andrew Watson, MD
1200 N Beaver St,
Flagstaff, AZ 86001-3118

Ph: (928) 773-2505

Reviews and Comments


Anesthesiology Doctors in Flagstaff, AZ

Dr. Jeremy Nielsen, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1200 N Beaver St, Flagstaff, AZ 86001
Phone: 928-779-3366    
Dr. Judith Amanda Kelley, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1020 N San Francisco St, Ste 100, Flagstaff, AZ 86001
Phone: 928-214-2156    
Kyle Richardson, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 1200 N Beaver St, Flagstaff, AZ 86001
Phone: 928-779-3366    
Dr. Douglas Dean Lee, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 77 W Forest Ave, Suite 207, Flagstaff, AZ 86001
Phone: 928-773-2505    Fax: 928-773-2504
Dr. James H Gibson, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1020 N San Francisco St, Ste 1000, Flagstaff, AZ 86001
Phone: 928-526-1112    Fax: 928-714-9285
Benjamin Schumacher, D.O.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 77 W Forest Ave Ste 117, Flagstaff, AZ 86001
Phone: 928-773-2505    Fax: 928-773-2504
Dr. Gary Steven Christensen, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 77 W Forest Ave, Suite 207, Flagstaff, AZ 86001
Phone: 928-773-2505    Fax: 928-773-2504

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.