Gregory Zemtsov, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

01100243A Issued in IN

Practice address

13100 E 136TH St
Fishers, IN 46037-9417

Phone

(317) 944-9400

NPI assigned

Mar 31, 2019

Last updated

Sep 4, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Interoperability endpoints

• Direct secure messaging: gregory.zemtsov@upmcdirect.com

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

{
    "created_epoch": "1553990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788480000000",
    "number": "1477014462",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 N SHADELAND AVE",
            "city": "INDIANAPOLIS",
            "state": "IN",
            "postal_code": "462194959"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "13100 E 136TH ST",
            "city": "FISHERS",
            "state": "IN",
            "postal_code": "460379417",
            "telephone_number": "317-944-9400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Halket Street",
            "address_2": "Suite 5600",
            "address_purpose": "LOCATION",
            "city": "Pittsburgh",
            "state": "PA",
            "postal_code": "15213",
            "country_code": "US",
            "telephone_number": "412-647-5815",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZEMTSOV",
        "first_name": "GREGORY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-31",
        "last_updated": "2026-09-04",
        "certification_date": "2026-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IN",
            "license": "01100243A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300135149",
            "state": "IN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gzemtsov@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "13100 E 136th St",
            "city": "Fishers",
            "state": "IN",
            "country_code": "US",
            "postal_code": "460379417",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Obstetrics & Gynecology Physician in Fishers, IN
• Providers in Fishers, IN by specialty
• Obstetrics & Gynecology Physician in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.