Harry Flaster, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

D97672 Issued in MD

Practice address

600 N Wolfe St
Baltimore, MD 21264-6410

Phone

(410) 933-4380

NPI assigned

Mar 30, 2013

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

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in MD, TX2 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 2

Specialty

Emergency Medicine

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Physicians SPPSGroup PAC ID 0648594036, 18 clinicians

DHHS PHS Naihs Chinle Comprehensive Health Care FacilityGroup PAC ID 9436062585, 160 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mercy Medical Center Inc Hospital, Baltimore, MD, CCN 210008
• Chinle Comprehensive Health Care Facility Hospital, Chinle, AZ, CCN 030084
• Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Merit-based Incentive Payment System (MIPS)

Final score

83.31 of 100Reported as group

Quality

73.89

Promoting interoperability

100

Improvement activities

40

Cost

70.47

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: hflaster695209@direct.hopkinsmedicine.org

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.

• Emergency Physicians SPPS

  • Emergency Medicine Physician
  • Baltimore, MD
  • NPI 1760885958
  Medicare reassignment Care Compare group NPD
• DHHS PHS Naihs Chinle Comprehensive Health Care Facility

  • General Acute Care Hospital
  • Chinle, AZ
  • NPI 1508800129

  TX

  Medicare reassignment Care Compare group NPD
• Johns Hopkins University

  • Pain Medicine (Anesthesiology) Physician
  • Baltimore, MD
  • NPI 1922008549
  Medicare reassignment NPD
• University of Maryland Emergency Medicine Associates, PA

  • Emergency Medicine Physician
  • Baltimore, MD
  • NPI 1144271743
  Medicare reassignment NPD
• Johns Hopkins University

  • Ophthalmology Physician
  • Belcamp, MD
  • NPI 1376342774
  NPD
• Johns Hopkins University

  • Anesthesiology Physician
  • Baltimore, MD
  • NPI 1740286418
  NPD
• DHHS PHS Naihs Chinle Comprehensive

  • Ambulatory Surgical Clinic/Center
  • Chinle, AZ
  • NPI 1922253129
  NPD
• DHHS PHS Naihs Chinle Comprehensive Health Care Facility

  • General Acute Care Hospital
  • Rock Point, AZ
  • NPI 1154344133
  NPD

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

• Mercy Medical Center Inc

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1144282583
  Care Compare affiliation
• The Johns Hopkins Hospital

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1578597993
  Care Compare affiliation

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

{
    "created_epoch": "1364601600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1629311485",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "800 BRADBURY DR SE STE 116",
            "city": "ALBUQUERQUE",
            "state": "NM",
            "postal_code": "871064310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "600 N WOLFE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212646410",
            "telephone_number": "410-933-4380"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1959 NE Pacific St",
            "address_2": "Box 356410",
            "address_purpose": "LOCATION",
            "city": "Seattle",
            "state": "WA",
            "postal_code": "981956410",
            "country_code": "US",
            "telephone_number": "206-543-3654",
            "fax_number": "206-543-8136",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "FLASTER",
        "first_name": "HARRY",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-03-30",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NM",
            "license": "MD2026-0112",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D97672",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "SRMC@direct.health.unm.edu",
            "affiliation": "N",
            "address_1": "3001 Broadmoor Blvd NE",
            "city": "Rio Rancho",
            "state": "NM",
            "country_code": "US",
            "postal_code": "871442100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "UNMMG@direct.health.unm.edu",
            "affiliation": "N",
            "address_1": "800 Bradbury Dr SE ste 116",
            "city": "Albuquerque",
            "state": "NM",
            "country_code": "US",
            "postal_code": "871064310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "UNMH@direct.health.unm.edu",
            "affiliation": "N",
            "address_1": "2211 Lomas Blvd NE",
            "city": "Albuquerque",
            "state": "NM",
            "country_code": "US",
            "postal_code": "871062719",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Chelsea Flanigan
• John Spencer Flanigan, MD
• Marisa Flanigan
• John Flannery
• Vanessa Flannery, RN
• Marisa Flavin, M.D.
• Arthur Flax, LCSW-C
• Eileen Faye Flax, CCC-SLP
• Lisa I Fleck, LCSW-C
• Benjamin Fleet, MD

• Emergency Medicine Physician in Baltimore, MD
• Providers in Baltimore, 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 Jul 23, 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.