Matthew C. Washam, MD, MPH
Pediatric Infectious Diseases Physician · Columbus, OH
Matthew C. Washam, MD, MPH is a pediatric infectious diseases physician with a practice address in Columbus, Ohio, and NPI 1689973471, issued on Mar 20, 2011. Check the license (Ohio 35-120746, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Matthew C. Washam
- Credential
- MD, MPH
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- License number
- 35-120746 OH
Self-reported in NPPES; status is on the state search - Practice location
- 555 S 18TH St, Columbus, OH 43205
- Phone
- (614) 722-6200
- Enumerated
- Mar 20, 2011
- Record last updated
- Jun 15, 2026
- Medicaid ID
- 0313579 OH
- Entity
- Type 1 · individual
8 nearest pediatric infectious diseases physician records → All 82 in Ohio → Look up another NPI →
Also registered at 555 S 18TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew C. Washam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-120746Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average pediatric infectious diseases physician in 2024
22 Medicare Part D claims, against an average of 165 among the 111 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.
Matthew C. Washam among 82 pediatric infectious diseases physician records in Ohio
Matthew C. Washam, MD, MPH is one of 82 pediatric infectious diseases physician records with a practice address in Ohio. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 28% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Infectious Diseases Physician providers in Ohio
There are 82 pediatric infectious diseases physician records in Ohio.
All 82 in Ohio → Every provider in Columbus → Pediatric Infectious Diseases Physician nationwide →
The 8 pediatric infectious diseases physician records with the nearest ZIP codes
- Monica Ardura, DOColumbus, OH 432051740496140
- William Barson, MDColumbus, OH 432051336146869
- Michael Brady, MDColumbus, OH 432051184620361
- Kevin Cassady, M.D.Columbus, OH 432051487690269
- Juan Chaparro, M.D.Columbus, OH 432051417110529
- Jonathan Honegger, M.D.Columbus, OH 432051467657858
- Katalin Koranyi, MDColumbus, OH 432051366434763
- Jason Newland, MDColumbus, OH 432051750398582
Common questions
What is Matthew C. Washam, MD, MPH's NPI number?
Matthew C. Washam, MD, MPH's National Provider Identifier (NPI) is 1689973471, issued on Mar 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Matthew C. Washam, MD, MPH located?
The NPPES record lists a practice address at 555 S 18TH St, Columbus, OH, 43205. Phone: (614) 722-6200. Providers update this record themselves, so call before visiting.
How can I verify Matthew C. Washam, MD, MPH's license?
NPPES lists Ohio license number 35-120746, 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 Matthew C. Washam, MD, MPH prescribe under Medicare Part D?
In 2024, Matthew C. Washam, MD, MPH had 22 Medicare Part D claims; the average among pediatric infectious diseases physician prescribers was 165. 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.