Individual provider Active NPI

Siham Chaffag

  • Anesthesiologist Assistant
  • Cleveland, OH
National Provider Identifier
1598440893
Registry record updated Dec 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiologist AssistantTaxonomy code 367H00000X
License
67.000476 Issued in OH
Practice address
11100 Euclid Ave
Cleveland, OH 44106-1716
Phone
(216) 571-4607
NPI assigned
Jun 15, 2023
Last updated
Dec 10, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 10, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiologist Assistant 367H00000X 67.000476 OH Primary

Addresses

Primary practice location

11100 Euclid Ave
Cleveland, OH 44106-1716

Mailing address

1348 Brockley Ave
Lakewood, OH 44107-2415

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230628002360 OH Practitioner - Anesthesiology Assistant 8820456510 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology Assistant
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Hospitals Medical Group IncGroup PAC ID 4789682493, 2,248 clinicians
Cleveland ClinicGroup PAC ID 1850203555, 6,954 clinicians

Practice addresses (Care Compare)

11100 Euclid Ave
Cleveland, OH 44106-1716
Phone (216) 844-1000

158 W Main Rd
Conneaut, OH 44030-2039

3999 Richmond Rd
Beachwood, OH 44122-6046
Phone (216) 383-0100

6780 Mayfield Rd
Mayfield Heights, OH 44124-2203
Phone (440) 312-6100

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
91.15 of 100Reported as apm
Quality
82.31
Promoting interoperability
100
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
81.19 of 100Reported as group
Quality
63.13
Promoting interoperability
100
Improvement activities
40
Cost
74.18

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
67.000476OHMDAnesthesiologist Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
University Primary Care Practices Inc Current Accepting new patients
The Cleveland Clinic Foundation CurrentSince Dec 2, 2025 Accepting new patients
University Hospitals Medical Group Inc Anesthesiology CurrentSince Jul 17, 2023 Accepting new patients
The Cleveland Clinic Foundation CurrentSince Dec 2, 2025 Accepting new patients
University Primary Care Practices Inc CurrentSince Jul 17, 2023 Accepting new patients
University Primary Care Practices Inc CurrentSince Jul 17, 2023 Accepting new patients

Locations

8055 Mayfield Rd
Ste 105
Chesterland, OH 44026
Phone (440) 214-8024

9500 Euclid Ave
Cleveland, OH 44195
Phone (216) 442-1270

11100 Euclid Ave
Cleveland Heights, OH 44106

158 W Main Rd
Ste 203
Conneaut, OH 44030
Phone (440) 285-2960

6780 Mayfield Rd
Mayfield Hts, OH 44124
Phone (440) 331-9520

Interoperability endpoints

  • Direct secure messaging: schaffag218517@ehrdirect.uhhospitals.org

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1686787200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765324800000",
    "number": "1598440893",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1348 BROCKLEY AVE",
            "city": "LAKEWOOD",
            "state": "OH",
            "postal_code": "441072415"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11100 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441061716",
            "telephone_number": "216-571-4607"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAFFAG",
        "first_name": "SIHAM",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-06-15",
        "last_updated": "2025-12-10",
        "certification_date": "2025-12-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367H00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiologist Assistant",
            "state": "OH",
            "license": "67.000476",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cleveland, OH

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 10, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.