William John Zacharias, MD PHD
Critical Care Medicine (Internal Medicine) Physician · Cincinnati, OH
William John Zacharias, MD PHD is a critical care medicine (internal medicine) physician with a practice address in Cincinnati, Ohio, and NPI 1558651380, issued on Apr 13, 2011. Check the license (Ohio 35132765, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- William John Zacharias
- Credential
- MD PHD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 35132765 OH
MD452358 PA
Self-reported in NPPES; status is on the state search - Practice location
- 234 Goodman St, Cincinnati, OH 45219
- Phone
- (513) 558-4831
- Enumerated
- Apr 13, 2011
- Record last updated
- Jul 21, 2022
- Fax
- (513) 558-4858
- Medicare enrollment
- Enrolled (PECOS I20181016000375); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2011
- Entity
- Type 1 · individual
Also registered at 234 Goodman St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alrawy Abdou, MDStudent in an Organized Health Care Education/Training Program1992689947
- Yamuna Abhayawardhane, M.D., PH.D.Hospitalist Physician1104881580
- Abdullah Abohimed, MDStudent in an Organized Health Care Education/Training Program1942183181
- Khaled Abou El-Ezz, MB CHBHospitalist Physician1174802201
- Patricia Adams, R.N., MSN, AOCNSOncology Clinical Nurse Specialist1053618868
- Olufunmilayo Adewumi, NP-CAdult Health Nurse Practitioner1083743819
Verify William John Zacharias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35132765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
11 Medicare Part D claims, 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- University OF Cincinnati Physicians Company LLCCincinnati, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Ohio
There are 204 critical care medicine (internal medicine) physician records in Ohio.
Other critical care medicine (internal medicine) physician records in Ohio
- Ahmad Abdelwahed, M.D.Sylvania, OH1194981365
- Ahmed Aburahma, MDCleveland, OH1841643988
- Abubakr Adam, MDCleveland, OH1396109161
- Daniel Adams, M.D.Columbus, OH1093941726
- Harith Adnan, MDToledo, OH1417454257
- Robier Aguillon Prada, M.D.Cleveland, OH1568636025
- Yousef AhmadCincinnati, OH1073019774
- Shakeel Ahmed, M.D.Dayton, OH1922084862
- Layla Al BizriCleveland, OH1558856153
- Danah Al-Deiri, MDCleveland, OH1083309496
Common questions
What is William John Zacharias, MD PHD's NPI number?
William John Zacharias, MD PHD's National Provider Identifier (NPI) is 1558651380, issued on Apr 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is William John Zacharias, MD PHD located?
The NPPES record lists a practice address at 234 Goodman St, Cincinnati, OH, 45219. Phone: (513) 558-4831. Providers update this record themselves, so call before visiting.
How can I verify William John Zacharias, MD PHD's license?
NPPES lists Ohio license number 35132765, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William John Zacharias, MD PHD prescribe under Medicare Part D?
In 2024, William John Zacharias, MD PHD had 11 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is William John Zacharias, MD PHD's MIPS final score?
The 2023 MIPS final score is 78.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.