Individual provider Active NPI

Mark Zahniser, MD

  • Critical Care Medicine (Anesthesiology) Physician
  • Cleveland, OH
National Provider Identifier
1396738548
Registry record updated Aug 19, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Anesthesiology) PhysicianTaxonomy code 207LC0200X
License
35066970 Issued in OH
Practice address
11100 Euclid Ave
Cleveland, OH 44106
Phone
(216) 844-7330
Fax
(216) 844-3781
NPI assigned
Aug 23, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2010

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Anesthesiology) Physician 207LC0200X 35066970 OH Primary
Anesthesiology Physician 207L00000X 35066970 OH
Addiction Medicine (Anesthesiology) Physician 207LA0401X 35066970 OH
Hospice and Palliative Medicine (Anesthesiology) Physician 207LH0002X 35066970 OH
Pain Medicine (Anesthesiology) Physician 207LP2900X 35066970 OH
Pediatric Anesthesiology Physician 207LP3000X 35066970 OH

Addresses

Primary practice location

11100 Euclid Ave
Cleveland, OH 44106

Mailing address

24701 Euclid Ave
3Rd Floor
Euclid, OH 44117-1714
Phone (216) 383-6616

Other identifiers 12

IdentifierTypeStateIssuer
751194OtherOHBUCKEYE MEDICAID
5166041OtherOHAETNA
000000231404OtherOHANTHEM BCBS
000000532710OtherOHANTHEM
050085791OtherOHRAILROAD MEDICARE
414859OtherOHWELLCARE MEDICAID
364080614AMedicaidGA
0583328OtherOHBCMH
000000225169OtherOHUNISON
2183640MedicaidOH
341924447032OtherOHCARESOURCE
P00405859OtherOHRAILROAD MEDICARE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OR
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250325001970 OR Practitioner - Anesthesiology 4981604337 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hospitalist Medicine Physicians of Washington - TCSGroup PAC ID 6800240102, 197 clinicians

Practice addresses (Care Compare)

9205 SW Barnes Rd
Portland, OR 97225-6603
Phone (503) 216-1234

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Euclid Hospital Cleveland Clinic Health System Current Accepting new patients
Hospitalist Medicine Physicians of Washington - TCS Anesthesiology CurrentSince Mar 17, 2025 Accepting new patients
Northcoast Anesthesia Providers Critical Care Medicine Past Accepting new patients

Locations

9205 SW Barnes Rd
Portland, OR 97225
Phone (503) 216-1234

4805 NE Glisan St
Portland, OR 97213
Phone (503) 215-1111

120 Brentwood Commons Way
Ste 510
Brentwood, TN 37027
Phone (253) 682-6040

Interoperability endpoints

  • Direct secure messaging: mzahniser161163@direct.ccf.org

Organizations & group practices 3

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 2

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": "1124755200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1282176000000",
    "number": "1396738548",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24701 EUCLID AVE",
            "address_2": "3RD FLOOR",
            "city": "EUCLID",
            "state": "OH",
            "postal_code": "441171714",
            "telephone_number": "216-383-6616"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11100 EUCLID AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "44106",
            "telephone_number": "216-844-7330",
            "fax_number": "216-844-3781"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZAHNISER",
        "first_name": "MARK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-23",
        "last_updated": "2010-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LC0200X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Critical Care Medicine",
            "state": "OH",
            "license": "35066970",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OH",
            "license": "35066970",
            "primary": false
        },
        {
            "code": "207LA0401X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Addiction Medicine",
            "state": "OH",
            "license": "35066970",
            "primary": false
        },
        {
            "code": "207LH0002X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Hospice and Palliative Medicine",
            "state": "OH",
            "license": "35066970",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "OH",
            "license": "35066970",
            "primary": false
        },
        {
            "code": "207LP3000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pediatric Anesthesiology",
            "state": "OH",
            "license": "35066970",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BUCKEYE MEDICAID",
            "identifier": "751194",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "5166041",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM BCBS",
            "identifier": "000000231404",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000532710",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "050085791",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "WELLCARE MEDICAID",
            "identifier": "414859",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "364080614A",
            "state": "GA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCMH",
            "identifier": "0583328",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNISON",
            "identifier": "000000225169",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2183640",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CARESOURCE",
            "identifier": "341924447032",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00405859",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Cleveland, OH

Sources for this page

Verify at the official NPI Registry.