William Lockwood, MD
Infectious Disease Physician · Prescott, AZ
William Lockwood, MD is an infectious disease physician with a practice address in Prescott, Arizona, and NPI 1861478299, issued on Dec 18, 2005. Check the license (Arizona 53831, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Lockwood
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 53831 AZ
40316 CO
Self-reported in NPPES; status is on the state search - Practice location
- 811 Ainsworth Dr Ste 103, Prescott, AZ 86301
- Phone
- (928) 771-5550
- Enumerated
- Dec 18, 2005
- Record last updated
- Dec 19, 2022
- Fax
- (928) 445-9209
- Medicaid IDs
- 53154231 CO
259781 AZ - Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 176 in Arizona → Look up another NPI →
Verify William Lockwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 53831Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% more Medicare Part D claims than the average infectious disease physician in 2024
1,017 Medicare Part D claims for 152 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Azithromycin133 claims
- Vancomycin Hcl127 claims
- Doxycycline Hyclate93 claims
- Daptomycin62 claims
- Cephalexin60 claims
- Meropenem56 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $51.95
2 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William Lockwood among 176 infectious disease physician records in Arizona
William Lockwood, MD is one of 176 infectious disease physician records with a practice address in Arizona. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2022 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Arizona
There are 176 infectious disease physician records in Arizona.
All 176 in Arizona → Every provider in Prescott → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Olamide Jarrett, M.D.Prescott, AZ 863011861682965
- Mark Lacy, MDPrescott, AZ 863011134177215
- Brenda Patton, MDPrescott, AZ 863011871580522
- Mary Ellen Lawrence, M.D.Prescott, AZ 863051922117738
- Margaret Kobe, M.D.Cottonwood, AZ 863261952332470
- Anayochukwu Uche, M.D.Bullhead City, AZ 864421013085091
- Alithea Gabrellas, MDFort Defiance, AZ 865041568780641
- Janelle Rhyne, MDKayenta, AZ 860331235231416
Common questions
What is William Lockwood, MD's NPI number?
William Lockwood, MD's National Provider Identifier (NPI) is 1861478299, issued on Dec 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Lockwood, MD located?
The NPPES record lists a practice address at 811 Ainsworth Dr Ste 103, Prescott, AZ, 86301. Phone: (928) 771-5550. Providers update this record themselves, so call before visiting.
How can I verify William Lockwood, MD's license?
NPPES lists Arizona license number 53831, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Lockwood, MD prescribe under Medicare Part D?
In 2024, William Lockwood, MD had 1,017 Medicare Part D claims for 152 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.