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MATTHEW C WASHAM MD, MPH
NPI 1689973471
Pediatrics - Pediatric Infectious Diseases in Columbus, OH

Active since March 20, 2011PECOS EnrolledAccepts Medicare Assignment
555 S 18TH ST, COLUMBUS, OH 43205(614) 722-6200 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 17, 2026, Jun 9, 2023, Dec 9, 2022 and 4 more (7 updates tracked since 2017).

About Matthew C Washam Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATTHEW C WASHAM MD, MPH (NPI 1689973471) is an individual pediatric infectious diseases provider in Columbus, Ohio, licensed in Ohio (35-120746) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Ohio State University College Of Medicine (2011).

NPPES Registry Identity

NPI1689973471
Entity TypeIndividualMale
Primary Taxonomy2080P0208X
Provider Legal NameMATTHEW C WASHAMCredential: MD, MPH
Location Address555 S 18TH STColumbus, OH 43205-2654
Mailing Address700 Childrens DrColumbus, OH 43205-2664 · (614) 722-6200
Phone(614) 722-6200
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 2011
Enumeration DateMarch 20, 2011
Last NPPES UpdateAugust 17, 20267 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1689973471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Infectious DiseasesAllopathic & Osteopathic Physicians
Taxonomy Code2080P0208X
License✔ Licensed in OH · 35-120746
Definition
A pediatrician trained to care for children in the diagnosis, treatment and prevention of infectious diseases. This specialist can apply specific knowledge to affect a better outcome for pediatric infections with complicated courses, underlying diseases that predispose to unusual or severe infections, unclear diagnoses, uncommon diseases and complex or investigational treatments.
Also ListedPediatricsTaxonomy 208000000X · License 35-120746 (OH)
555 S 18TH ST, Columbus, OH 43205
Open in Google Maps ↗

Secondary Practice Locations 2

Location 12222 Cherry St Ste 2000Toledo, OH 43608-2673 · Phone (419) 251-8015
Location 2380 Butterfly Gardens DrColumbus, OH 43215-7508 · Phone (614) 722-6200

Other Identifiers 2

Medicaid0313579OH
OtherH652600OH · Cgs-medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Matthew C Washam Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668742370
PECOS Enrollment IDI20181221001652
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Matthew Washam reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nationwide Children's Hospital
0.1 mi
Multi-Specialty
700 CHILDRENS DR
Columbus, OH 43205
  • Reassigned Medicare billing, Ohio enrollment
  • 976 clinicians in this Medicare group
NPI 1851179873 (614) 722-2055
Pediatric Academic Association, Inc.
0.1 mi
Pediatrics
700 CHILDRENS DR
Columbus, OH 43205
  • Reassigned Medicare billing, Ohio enrollment
  • 1,246 clinicians in this Medicare group
NPI 1063419943 (614) 722-4579
Northwest Pediatric Specialists, LLC
122 mi
Pediatrics
2213 CHERRY ST
Toledo, OH 43608
  • Reassigned Medicare billing, Ohio enrollment
  • 233 clinicians in this Medicare group
NPI 1033709100 (419) 251-3232

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LORIE D HAMIWKA MD
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-4634
DR. ERIC STEVE MULL D.O
Pediatrics (Pediatric Pulmonology)
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-2000
JOHN DONALD MAHAN MD
Pediatrics (Pediatric Nephrology)
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-4362
ROBERT DAVID MURRAY MD
Pediatrics (Pediatric Gastroenterology)
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-4089
BENEDICTA G ENRILE MD
Pediatrics (Neurodevelopmental Disabilities)
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-2438
WILLIAM MATTHEW SMILEY DO
Pediatrics
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-4950
SARAH K. DRIESBACH FNP
Nurse Practitioner (Family)
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-2000
KENDRA ELAINE BRUNNER APRN, CPNP-PC
Nurse Practitioner (Pediatrics)
555 S 18TH ST
COLUMBUS, OH 43205
Franklin County (614) 722-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matthew Washam's NPI number?

The NPI number for Matthew Washam is 1689973471. It was assigned to this individual provider in the NPPES registry on March 20, 2011.

Where is Matthew Washam located?

Matthew Washam practices at 555 S 18th St, Columbus, OH 43205. The listed phone number is (614) 722-6200.

What is Matthew Washam's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Infectious Diseases, with taxonomy code 2080P0208X.

Is Matthew Washam enrolled in Medicare?

Yes. Matthew Washam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Matthew Washam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Washam reassigns Medicare benefits to 3 organizations: Nationwide Children's Hospital (Columbus, OH), Pediatric Academic Association, Inc. (Columbus, OH) and Northwest Pediatric Specialists, LLC (Toledo, OH). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Matthew Washam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Washam accept?

Health plans from Anthem Blue Cross and Blue Shield, Antidote Health Plan of Ohio, Inc., CareSource, MedMutual and UnitedHealthcare list Matthew Washam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Matthew Washam was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.