William Lockwood, MD - Medicare Infectious Disease in Prescott, AZ

William Lockwood, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Prescott, Arizona. He went to University Of Texas Southwestern Medical School At Dallas and graduated in 1984 and has 40 years of diverse experience with area of expertise as Infectious Disease. He is a member of the group practice Yavapai Regional Medical Center Physician Care, Llc and his current practice location is 811 Ainsworth Dr Ste 103, Prescott, Arizona. You can reach out to his office (for appointments etc.) via phone at (928) 771-5550.

William Lockwood is licensed to practice in Arizona (license number 53831) 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 1861478299.

Contact Information

William Lockwood, MD
811 Ainsworth Dr Ste 103,
Prescott, AZ 86301-1687
(928) 771-5550
(928) 445-9209

Map and Direction




Physician's Profile

Full NameWilliam Lockwood
GenderMale
SpecialityInfectious Disease
Experience40 Years
Location811 Ainsworth Dr Ste 103, Prescott, 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 Lockwood attended and graduated from University Of Texas Southwestern Medical School At Dallas in 1984
  NPI Data:
  • NPI Number: 1861478299
  • Provider Enumeration Date: 12/18/2005
  • Last Update Date: 12/19/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6709067309
  • Enrollment ID: I20170605002830

Medical Identifiers

Medical identifiers for William Lockwood such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861478299NPI-NPPES
Z201654OtherAZMEDICARE PIN
53154231MedicaidCO
259781MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease 40316 (Colorado)Secondary
207RI0200XInternal Medicine - Infectious Disease 53831 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Yavapai Regional Medical CenterPrescott, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yavapai Regional Medical Center Physician Care, Llc5294898987115

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 Lockwood allows following entities to bill medicare on his behalf.
Entity NameYavapai Regional Medical Center Physician Care, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255582003
PECOS PAC ID: 5294898987
Enrollment ID: O20090106000798

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 Lockwood 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 Lockwood, MD
Po Box 10880,
Prescott, AZ 86304-0880

Ph: (928) 759-5987
William Lockwood, MD
811 Ainsworth Dr Ste 103,
Prescott, AZ 86301-1687

Ph: (928) 771-5550

Reviews and Comments


Internal Medicine Doctors in Prescott, AZ

Dr. Jyotsana M Patel, M.D.
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 500 N Hwy 89, Northern Arizona Va Hcs, Prescott, AZ 86313
Phone: 928-445-4860    
Dr. Warren Reyes Ho, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 3122 Willow Creek Rd, Prescott, AZ 86301
Phone: 928-445-7632    Fax: 928-445-9283
Karen L Yates, M.D.
Infectious Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3101 Clearwater Dr, Suite C, Prescott, AZ 86305
Phone: 928-771-0555    Fax: 928-771-0444
Dr. Milton Murray Schild, M.D.
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 811 Ainsworth Dr, Suite 103, Prescott, AZ 86301
Phone: 928-771-5548    Fax: 928-771-5549
Dr. Ayyasamy P Selvam, MD
Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 500 N Us Highway 89, Va Medical Center, Prescott, AZ 86313
Phone: 928-776-6009    Fax: 928-776-6098
Dr. Jerome C Robinson, MD
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 802 Ainsworth Dr Ste A, Prescott, AZ 86301
Phone: 928-445-6025    Fax: 928-778-3026
Dr. George Sein, M.D
Infectious Disease
Medicare: Not Enrolled in Medicare
Practice Location: 919 12th Pl Ste 6, Prescott, AZ 86305
Phone: 928-445-4166    

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).

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