Justin Gregory Peacock, M.D., PH.D.

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

28970 Issued in NE

Practice address

8901 Rockville Pike
Bethesda, MD 20889-0001

Phone

(301) 295-9151

NPI assigned

Feb 10, 2014

Last updated

May 6, 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 5

Addresses

Medicare fee-for-service enrollment

Enrolled in TX, DC, MI, PA4 enrollments

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 4

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

State licenses

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Maryland Imaging Network PC

  • Diagnostic Radiology Physician
  • Prince Frederick, MD
  • NPI 1487296471

  DC

  Medicare reassignment NPD
• Chesapeake Urology Associates LLC

  dba Pennsylvania Cancer Specialists & Research Institute

  • Hematology & Oncology Physician
  • Gettysburg, PA
  • NPI 1982734976
  Medicare reassignment NPD
• Meadville Medical Center

  • Multi-Specialty Clinic/Center
  • Meadville, PA
  • NPI 1629633573

  Nuclear Medicine

  Medicare reassignment NPD
• Msu Health Care Inc

  • Allergy & Immunology Physician
  • East Lansing, MI
  • NPI 1700418670
  Medicare reassignment NPD
• Akumin Imaging Texas LLC

  • Radiology Clinic/Center
  • El Paso, TX
  • NPI 1235771205
  NPD
• Meadville Medical Center

  • Substance Use Disorder Rehabilitation Hospital Unit
  • Meadville, PA
  • NPI 1639067804
  NPD
• Msu Health Care Inc.

  • Diagnostic Radiology Physician
  • East Lansing, MI
  • NPI 1275165052
  NPD
• Msu Health Care Inc.

  • Physical Therapist
  • East Lansing, MI
  • NPI 1689206419
  NPD
• Preferred Imaging of Amarillo, LLC

  • Magnetic Resonance Imaging (MRI) Clinic/Center
  • Amarillo, TX
  • NPI 1235544669
  NPD
• Preferred Imaging of Austin LLC

  • Magnetic Resonance Imaging (MRI) Clinic/Center
  • Austin, TX
  • NPI 1437542818

  Diagnostic Radiology

  NPD
• Preferred Imaging of Corinth, LLC

  • Magnetic Resonance Imaging (MRI) Clinic/Center
  • Corinth, TX
  • NPI 1831328392
  NPD
• Preferred Imaging of Frisco, LLC

  • Radiology Clinic/Center
  • Frisco, TX
  • NPI 1881028397

  Diagnostic Radiology

  NPD

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

{
    "created_epoch": "1391990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778025600000",
    "number": "1336563493",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8901 ROCKVILLE PIKE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890001",
            "telephone_number": "301-295-9151"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8901 ROCKVILLE PIKE",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208890001",
            "telephone_number": "301-295-9151"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4660 S Hagadorn Rd Ste 510",
            "address_purpose": "LOCATION",
            "city": "East Lansing",
            "state": "MI",
            "postal_code": "488236805",
            "country_code": "US",
            "telephone_number": "517-353-5053",
            "fax_number": "517-884-7640",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "20 Expedition Trl Ste 103",
            "address_purpose": "LOCATION",
            "city": "Gettysburg",
            "state": "PA",
            "postal_code": "173258599",
            "country_code": "US",
            "telephone_number": "717-337-5991",
            "fax_number": "717-337-5995",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3220 Discovery Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Lansing",
            "state": "MI",
            "postal_code": "489108609",
            "country_code": "US",
            "telephone_number": "517-975-8930",
            "fax_number": "517-337-4985",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4660 S Hagadorn Rd Ste 410",
            "address_purpose": "LOCATION",
            "city": "East Lansing",
            "state": "MI",
            "postal_code": "488236819",
            "country_code": "US",
            "telephone_number": "517-353-5053",
            "fax_number": "517-884-7640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PEACOCK",
        "first_name": "JUSTIN",
        "middle_name": "GREGORY",
        "name_prefix": "Dr.",
        "credential": "M.D., PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-02-10",
        "last_updated": "2026-05-06",
        "certification_date": "2026-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207U00000X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine",
            "state": "PA",
            "license": "MD485441",
            "primary": false
        },
        {
            "code": "207U00000X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine",
            "state": "MI",
            "license": "4301512179",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "PA",
            "license": "MD485441",
            "primary": false
        },
        {
            "code": "207U00000X",
            "taxonomy_group": "",
            "desc": "Nuclear Medicine",
            "state": "NE",
            "license": "28970",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NE",
            "license": "28970",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mark Payson, M.D.
• Rachael A Paz, M.D.
• Richard Pazdur, M.D.
• Lydia Mary Peabody, LMSW
• Peaceful Mind Home Care, LLC (Assisting Hands of Potomac)
• Stephen Hunt Peacock, MD
• Megan Lynn Pearlman
• Joseph Pechacek, MD
• Katrina Peck, SLP
• Pedg Bethesda Row MD LLC (Prostho Endo Dental Group)

• Diagnostic Radiology Physician in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Diagnostic Radiology Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.