William Cooper Procter Maloney, DO
Emergency Medicine Physician · Joint Base Lewis McChord, WA
William Cooper Procter Maloney, DO is an emergency medicine physician with a practice address in Joint Base Lewis McChord, Washington, and NPI 1861021594, issued on Apr 4, 2020. Check the license (Washington DO.OP.61679799, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- William Cooper Procter Maloney
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DO.OP.61679799 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9040A Jackson Ave, Joint Base Lewis McChord, WA 98431
- Phone
- (253) 968-1110
- Enumerated
- Apr 4, 2020
- Record last updated
- Jul 23, 2025
- Medicare enrollment
- Enrolled (PECOS I20251023003386); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 9040A Jackson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicolas Bohorquez, LMSWMilitary Health Care Provider1518759992
Verify William Cooper Procter Maloney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license DO.OP.61679799Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average emergency medicine physician in 2024
13 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
William Cooper Procter Maloney among 1,459 emergency medicine physician records in Washington
William Cooper Procter Maloney, DO is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 91% of them.
- NPI issued2020 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2022 · median 2010 among the 851 with a school on file
- Record last updated2025 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 emergency medicine physician records list a practice address in Joint Base Lewis McChord
They are 17 of the 408 NPPES records with a practice address in Joint Base Lewis McChord, and 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Joint Base Lewis McChord → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Simeon Ashworth, DOTacoma, WA 984311861462368
- Robert Blankenship, M.D.Tacoma, WA 984311629049523
- Diane DevitaTacoma, WA 984311528039757
- Patrick Holland, MDTacoma, WA 984311376584631
- Maria Hugi, M.D.Tacoma, WA 984311518027887
- Christopher Kang, M.D.Tacoma, WA 984311649242231
- Roger Manson, M.D.Tacoma, WA 984311457321960
- John Short, M.D.Tacoma, WA 984311861432510
Common questions
What is William Cooper Procter Maloney, DO's NPI number?
William Cooper Procter Maloney, DO's National Provider Identifier (NPI) is 1861021594, issued on Apr 4, 2020. An NPI identifies a provider in billing; it is not a license.
Where is William Cooper Procter Maloney, DO located?
The NPPES record lists a practice address at 9040A Jackson Ave, Joint Base Lewis McChord, WA, 98431. Phone: (253) 968-1110. Providers update this record themselves, so call before visiting.
How can I verify William Cooper Procter Maloney, DO's license?
NPPES lists Washington license number DO.OP.61679799, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Cooper Procter Maloney, DO prescribe under Medicare Part D?
In 2024, William Cooper Procter Maloney, DO had 13 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.