Christopher M Gallagher, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

0101052887 Issued in VA

Practice address

6900 Georgia Ave NW
Hematology-Oncology Service, BLDG 2. Ward 78
Washington, DC 20307-0003

Phone

(202) 782-4350

Fax

(202) 782-3256

NPI assigned

Jan 9, 2006

Last updated

Jul 13, 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 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, VA, MD, DE4 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

Specialty

Hematology/Oncology

Education

Georgetown University School of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Tidalhealth Specialty Care LLCGroup PAC ID 7113340845, 375 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Tidalhealth Peninsula Regional, Inc Hospital, Salisbury, MD, CCN 210019
• Tidalhealth Nanticoke, Inc. Hospital, Seaford, DE, CCN 080006

Merit-based Incentive Payment System (MIPS)

Final score

94.27 of 100Reported as group

Quality

80.29

Promoting interoperability

100

Improvement activities

40

Cost

75.48

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cgallagher@medstar.direct.varian.com
• Direct secure messaging: christopher.gallagher@20467783892996.direct.elationemr.com

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.

• Tidalhealth Specialty Care, LLC

  • Medical Specialty Clinic/Center
  • Salisbury, MD
  • NPI 1619504735
  Medicare reassignment Care Compare group NPD
• WHC Physician Group LLC

  • General Practice Physician
  • Washington, DC
  • NPI 1700154226
  Medicare reassignment NPD
• Medstar Medical Group II LLC

  • General Practice Physician
  • Baltimore, MD
  • NPI 1184046187

  DC

  Medicare reassignment NPD
• Tidalhealth Physician Network, Inc.

  • Family Medicine Physician
  • Seaford, DE
  • NPI 1467534636
  Medicare reassignment NPD
• Medstar Medical Group II LLC

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1376887844
  NPD
• WHC Emerg Phys

  • Emergency Medical Services (Emergency Medicine) Physician
  • Washington, DC
  • NPI 1306260625
  NPD
• Centra Medical Group, LLC

  • Family Medicine Physician
  • Lynchburg, VA
  • NPI 1649228966
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Tidalhealth Nanticoke, Inc

  • General Acute Care Hospital
  • Seaford, DE
  • NPI 1245214477
  Care Compare affiliation
• Tidalhealth Peninsula Regional, Inc.

  • General Acute Care Hospital
  • Salisbury, MD
  • NPI 1780689463
  Care Compare affiliation

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

{
    "created_epoch": "1136764800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1467430579",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6016 HIGHBORO DR",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208176008",
            "telephone_number": "202-782-4950",
            "fax_number": "202-782-3256"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6900 GEORGIA AVE NW",
            "address_2": "HEMATOLOGY-ONCOLOGY SERVICE, BLDG 2. WARD 78",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "203070003",
            "telephone_number": "202-782-4350",
            "fax_number": "202-782-3256"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GALLAGHER",
        "first_name": "CHRISTOPHER",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-09",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "VA",
            "license": "0101052887",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jonathan Patrick Galla, MD
• Alayna Gallagher, DO
• Alice Kim Gallagher
• Amanda Gallagher, NP-C
• Bonnie Gallagher
• Emily Gallagher
• Hahva Neff Gallagher, LICSW
• Ariana Briseida Gallahan-Zarate
• Amber Famiglietti Gallanis, MD
• Gregory Gallanis, MD,PHD

• Hematology & Oncology Physician in Washington, DC
• Providers in Washington, DC by specialty
• Hematology & Oncology Physician in District of Columbia

• 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.