Rocket Doctor Practice Group, P.C.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

Legal business name

ROCKET DOCTOR PRACTICE GROUP, P.C.

Practice address

2405 York Rd Ste 201
Lutherville Timonium, MD 21093-2252

Phone

(831) 777-4283

NPI assigned

Jun 27, 2025

Organization subpart

No

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

Authorized official

Name

William CherniakNPI 1649635095

Title

Owner

Phone

(310) 648-9032

Specialties & licenses 10

Addresses

Tax ID family

Rocket Doctor Practice Group PC2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• Rocket Doctor Practice Group, P.C.

  • Emergency Medicine Physician
  • Newport Beach, CA
  • NPI 1194403642
  NPD tax ID

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• William Cherniak, MD, MPH

  • Emergency Medicine Physician
  • Newport Beach, CA
  • NPI 1649635095
  NPD Authorized official
• Evan Ou, M.D.

  • Emergency Medicine Physician
  • Yonkers, NY
  • NPI 1255673554
  NPD

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

{
    "created_epoch": "1750982400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1759449600000",
    "number": "1104714997",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2219 MAIN ST UNIT 653",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904052217"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2405 YORK RD STE 201",
            "city": "LUTHERVILLE TIMONIUM",
            "state": "MD",
            "postal_code": "210932252",
            "telephone_number": "831-777-4283"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ROCKET DOCTOR PRACTICE GROUP, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-06-27",
        "last_updated": "2025-10-03",
        "certification_date": "2025-10-03",
        "status": "A",
        "authorized_official_last_name": "CHERNIAK",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "310-648-9032"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Emergency Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207X00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2083A0300X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Preventive Medicine, Addiction Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084A2900X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Neurocritical Care",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Hospitalist",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Emergency Medicine Physician in Lutherville Timonium, MD
• Providers in Lutherville Timonium, MD by specialty
• Emergency Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 3, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.