William D. Wallace, DO
Critical Care Medicine (Internal Medicine) Physician · Monroeville, PA
William D. Wallace, DO is a critical care medicine (internal medicine) physician with a practice address in Monroeville, Pennsylvania, and NPI 1104387398, issued on Mar 29, 2019. Check the license (Pennsylvania OS026321, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William D. Wallace
- Credential
- DO
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- OS026321 PA
34.015784 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3824 Northern Pike Ste 820, Monroeville, PA 15146
- Phone
- (412) 457-0424
- Enumerated
- Mar 29, 2019
- Record last updated
- Aug 6, 2026
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 332 in Pennsylvania → Look up another NPI →
Also registered at 3824 Northern Pike Ste 820
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amit Goulatia, MDPulmonary Disease Physician1881673747
- Anil Menon, MDPulmonary Disease Physician1245219039
- Terrence Obringer, DOPulmonary Disease Physician1073510293
- Leslie Richards, CRNPFamily Nurse Practitioner1295286524
- Giath Shari, MDCritical Care Medicine (Internal Medicine) Physician1487789384
- Catherine Tarantine, MDPulmonary Disease Physician1912568734
Verify William D. Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS026321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
56 Medicare Part D claims for 17 beneficiaries, against an average of 696 among the 2,873 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 D. Wallace among 332 critical care medicine (internal medicine) physician records in Pennsylvania
William D. Wallace, DO is one of 332 critical care medicine (internal medicine) physician records with a practice address in Pennsylvania. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 85% of these records are
- Record last updated2026 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Pennsylvania
There are 332 critical care medicine (internal medicine) physician records in Pennsylvania.
All 332 in Pennsylvania → Every provider in Monroeville → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Ryan Rothman, MDMonroeville, PA 151461114548286
- Giath Shari, MDMonroeville, PA 151461487789384
- Mark Lega, MDPittsburgh, PA 152021033170329
- Rihab Saeed, MDWexford, PA 150901578811352
- Rade Vukmir, MD,JDPittsburgh, PA 152081730177387
- Marvin Balaan, MDPittsburgh, PA 152121306807615
- Billie Barker, MDPittsburgh, PA 152121952307951
- Christopher Brackney, D.O.Pittsburgh, PA 152121295787083
Common questions
What is William D. Wallace, DO's NPI number?
William D. Wallace, DO's National Provider Identifier (NPI) is 1104387398, issued on Mar 29, 2019. An NPI identifies a provider in billing; it is not a license.
Where is William D. Wallace, DO located?
The NPPES record lists a practice address at 3824 Northern Pike Ste 820, Monroeville, PA, 15146. Phone: (412) 457-0424. Providers update this record themselves, so call before visiting.
How can I verify William D. Wallace, DO's license?
NPPES lists Pennsylvania license number OS026321, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William D. Wallace, DO prescribe under Medicare Part D?
In 2024, William D. Wallace, DO had 56 Medicare Part D claims for 17 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.