Gary E Sivak, M.D.

Primary specialty

Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X

License

35-05-7662 Issued in OH

Practice address

10515 Carnegie Ave
Cleveland, OH 44106-3016

Phone

(216) 928-0136

Fax

(216) 928-0141

NPI assigned

Sep 15, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Merit-based Incentive Payment System (MIPS)

Final score

78.79 of 100Reported as group

Quality

71.01

Improvement activities

40

Cost

82.45

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Ohio Anesthesia Group, Inc

  • Anesthesiology Physician
  • Canton, OH
  • NPI 1639348113
  Medicare reassignment NPD
• Ambulatory Anesthesia Services, LLC

  • Anesthesiology Physician
  • Willoughby, OH
  • NPI 1922270495
  NPD (past)
• Ohio Surgical Anesthesia LLC

  • Anesthesiology Physician
  • Sheffield Village, OH
  • NPI 1588898548

  Pain Medicine

  NPD (past)

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

{
    "created_epoch": "1126742400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1609861772",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10515 CARNEGIE AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441063016",
            "telephone_number": "216-928-0136",
            "fax_number": "216-928-0141"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10515 CARNEGIE AVE",
            "city": "CLEVELAND",
            "state": "OH",
            "postal_code": "441063016",
            "telephone_number": "216-928-0136",
            "fax_number": "216-928-0141"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIVAK",
        "first_name": "GARY",
        "middle_name": "E",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-15",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "OH",
            "license": "35-05-7662",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0723551",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jessica Siudowski, CNP
• Amalraj Siva, MD
• Vignesh Sivaganesh
• Akshaya Rathin Sivaji, MD
• Edward D Sivak, MD
• Michael V Sivak Jr., MD
• Sriharan Sivalingam, MD
• Anjali Sivamohan
• Ranjit Sivanandham, MBBS
• Sindhuja Sivanandham, MBBS

• Pain Medicine (Anesthesiology) Physician in Cleveland, OH
• Providers in Cleveland, OH by specialty
• Pain Medicine (Anesthesiology) Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.