NPPES file of Aug 9, 2026

Muhannad Hammash, M.D.

Specialist · Marysville, OH

Muhannad Hammash, M.D. is a specialist with a practice address in Marysville, Ohio, and NPI 1285630343, issued on Jun 23, 2005. Check the license (Ohio 35075826B, as entered in NPPES) with the Ohio board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285630343
Name
Muhannad Hammash
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
35075826B OH
Self-reported in NPPES; status is on the state search
Practice location
500 London Ave, Marysville, OH 43040
Phone
(800) 686-4677
Enumerated
Jun 23, 2005
Record last updated
Feb 25, 2009 (not updated in 17 years: call before relying on the address or phone)
Medicaid ID
2283943 OH
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 London Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Umair Ahmad, MDInterventional Cardiology Physician1588891188
  2. Cindy Baker, MDInterventional Cardiology Physician1467400911
  3. Laurel Barr, MDEmergency Medicine Physician1417241605
  4. Christopher Boehman, PACPhysician Assistant1033165691
  5. Vincent Brinkman, MDCardiovascular Disease Physician1649494881
  6. Lindsey Bronstein, APRN-CNPNurse Practitioner1689924623

Verify Muhannad Hammash in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Ohio board licenses this profession
    Search for license 35075826B
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Ohio license search

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Specialist providers in Ohio

There are 1,312 specialist records in Ohio. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other specialist records in Ohio

  1. Shadiyah Abou-ArabMaumee, OH1477483493
  2. Jon Abrahamson, M.D.Fairview Park, OH1518992452
  3. Samir Abraksia, M.D.Beachwood, OH1275638199
  4. Marc Abrams, M.D., PH.D.Cleveland, OH1598763393
  5. Vijaya Achanti, M.D.Fairview Park, OH1982637906
  6. Jacob AckermannCincinnati, OH1982348488
  7. Derrick AdamsCincinnati, OH1447672217
  8. Maekell Adams, QMHS BACincinnati, OH1205492527
  9. Brooklyn AffolterWesterville, OH1073269015
  10. Rajesh Agarwal, M.D.Mayfield Heights, OH1285618579

Common questions

What is Muhannad Hammash, M.D.'s NPI number?

Muhannad Hammash, M.D.'s National Provider Identifier (NPI) is 1285630343, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Muhannad Hammash, M.D. located?

The NPPES record lists a practice address at 500 London Ave, Marysville, OH, 43040. Phone: (800) 686-4677. Providers update this record themselves, so call before visiting.

How can I verify Muhannad Hammash, M.D.'s license?

NPPES lists Ohio license number 35075826B, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity 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. 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.