NPPES file of Aug 9, 2026

Siham Chaffag

Anesthesiologist Assistant · Cleveland, OH

Siham Chaffag is an anesthesiologist assistant with a practice address in Cleveland, Ohio, and NPI 1598440893, issued on Jun 15, 2023. Check the license (Ohio 67.000476, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1598440893
Name
Siham Chaffag
Primary taxonomy
Anesthesiologist Assistant 367H00000X
License number
67.000476 OH
Self-reported in NPPES; status is on the state search
Practice location
11100 Euclid Ave, Cleveland, OH 44106
Phone
(216) 571-4607
Enumerated
Jun 15, 2023
Record last updated
Dec 10, 2025
Medicare enrollment
Enrolled (PECOS I20230628002360); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest anesthesiologist assistant records → All 450 in Ohio → Look up another NPI →

Also registered at 11100 Euclid Ave

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

  1. Evi Abada, MD, MSAnatomic Pathology & Clinical Pathology Physician1528563541
  2. Mujjahid Abbas, MDSurgery Physician1861632994
  3. Aleena Abbasi, MDStudent in an Organized Health Care Education/Training Program1710737614
  4. Julia Abbass, M.D.Diagnostic Radiology Physician1730130089
  5. Araam AbboudStudent in an Organized Health Care Education/Training Program1518800135
  6. Salim-Tamuz Abboud, MDDiagnostic Radiology Physician1477845311

Verify Siham Chaffag 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 67.000476    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3 hospitals and group practices

  1. Cleveland ClinicMayfield Heights, OH · Acute Care Hospitals4 of 5 stars
  2. University Hospitals Medical Group IncCleveland, OH
  3. University Primary Care Practices IncConneaut, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Siham Chaffag among 450 anesthesiologist assistant records in Ohio

Siham Chaffag is one of 450 anesthesiologist assistant records with a practice address in Ohio. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 73% of them.

  • NPI issued2023 · 73% of these records are older, 23% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2023 · median 2018 among the 381 with a school on file
  • Record last updated2025 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367H00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiologist Assistant providers in Ohio

There are 450 anesthesiologist assistant records in Ohio.

All 450 in Ohio → Every provider in Cleveland → Anesthesiologist Assistant nationwide →

The 8 anesthesiologist assistant records with the nearest ZIP codes

  1. Thomas Bruno, AACleveland, OH 441061043232416
  2. Lisa Clark, CAACleveland, OH 441061215998927
  3. Charles Duvall, AACleveland, OH 441061407878770
  4. Joseph Hoffman, AACleveland, OH 441061548253818
  5. Julie Johnson, AACleveland, OH 441061255384848
  6. Deborah Lawson, AACleveland, OH 441061417979790
  7. Michael Lilly, AACleveland, OH 441061063430668
  8. Michael Patrick, AA-CCleveland, OH 441061629092655

Common questions

What is Siham Chaffag's NPI number?

Siham Chaffag's National Provider Identifier (NPI) is 1598440893, issued on Jun 15, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Siham Chaffag located?

The NPPES record lists a practice address at 11100 Euclid Ave, Cleveland, OH, 44106. Phone: (216) 571-4607. Providers update this record themselves, so call before visiting.

How can I verify Siham Chaffag's license?

NPPES lists Ohio license number 67.000476, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.