Individual provider Active NPI

Mark Knauss, CNP

  • Adult Health Nurse Practitioner
  • Cleveland, OH
National Provider Identifier
1831135052
Registry record updated Sep 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
RN223048 Issued in OH
Practice address
9500 Euclid Ave
Cleveland, OH 44195-0002
Phone
(216) 444-2200
NPI assigned
Jun 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Health Nurse Practitioner 363LA2200X RN223048 OH Primary

Addresses

Primary practice location

9500 Euclid Ave
Cleveland, OH 44195-0002

Mailing address

16147 Walnut Creek Dr
Strongsville, OH 44149-5635
Phone (440) 759-3350

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20040709001340 OH Practitioner - Nurse Practitioner 0648258244

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

6801 Breacksville Rd
Independence, OH 44131-5058

Hospital & facility affiliations

  • Cleveland Clinic Hospital, Cleveland, OH, CCN 360180

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Nurse Practitioner, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
RN223048OHMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
The Cleveland Clinic Foundation CurrentSince Nov 9, 2013 Accepting new patients
Euclid Hospital Cleveland Clinic Health System Current Accepting new patients

Locations

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

26250 Euclid Ave
Ste 307
Euclid, OH 44132
Phone (216) 732-7000

7200 Mentor Ave
Mentor, OH 44060
Phone (440) 946-8809

6801 Brecksville Rd
Ste 20
Seven Hills, OH 44131
Phone (216) 445-3363

36100 Euclid Ave
Willoughby, OH 44094
Phone (440) 602-6701

36100 Euclid Ave
Ste 300
Willoughby, OH 44094
Phone (440) 942-4844

Interoperability endpoints

  • Direct secure messaging: mknauss47590@direct.ccf.org

Organizations & group practices 2

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

Hospital & facility affiliations 1

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": "1150934400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788739200000",
    "number": "1831135052",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16147 WALNUT CREEK DR",
            "city": "STRONGSVILLE",
            "state": "OH",
            "postal_code": "441495635",
            "telephone_number": "440-759-3350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9500 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441950002",
            "telephone_number": "216-444-2200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KNAUSS",
        "first_name": "MARK",
        "credential": "CNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-22",
        "last_updated": "2026-09-07",
        "certification_date": "2026-09-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "OH",
            "license": "RN223048",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cleveland, OH

Sources for this page

Verify at the official NPI Registry.