Individual provider Active NPI

John D Morrissey, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Washington, DC
National Provider Identifier
1740293984
Registry record updated Jul 29, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
MD20772 Issued in DC
Practice address
1150 Varnum St NE
Washington, DC 20017
Phone
(202) 269-7000
NPI assigned
Aug 15, 2006
Last updated
Jul 29, 2013By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 29, 2013

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X MD20772 DC Primary
Hospitalist Physician 208M00000X MD20772 DC

Addresses

Primary practice location

1150 Varnum St NE
Washington, DC 20017

Mailing address

1150 Varnum St NE
Washington, DC 20017
Phone (202) 269-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC, SC, VA, TN6 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 6

Enrollment IDStateProvider typePAC IDDetails
I20110811000150 MD Practitioner - Pulmonary DiseasePractitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 5597934422 Reassigns benefits to 3 organizations
I20111227000480 DC Practitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 5597934422 Reassigns benefits to 5 organizations
I20200602002781 SC Practitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 5597934422 Reassigns benefits to 1 organization
I20210623000991 VA Practitioner - Critical Care (Intensivists) 5597934422 Reassigns benefits to 2 organizations
I20210819001152 SC Practitioner - Critical Care (Intensivists)Practitioner - Internal MedicinePractitioner - Pulmonary Disease 5597934422 Reassigns benefits to 2 organizations
I20251002000369 TN Practitioner - Critical Care (Intensivists) 5597934422 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Pulmonary Disease
Education
State University of New York Downstate Medical Center, 1987
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
McLeod Health ClarendonGroup PAC ID 0840582656, 60 clinicians
West Tennessee Healthcare Hospitalists IncGroup PAC ID 1951735521, 98 clinicians

Practice addresses (Care Compare)

10 E Hospital St
Manning, SC 29102-3153
Phone (803) 435-8463

2210 Enterprise Dr
Florence, SC 29501-1109

555 E Cheves St
Florence, SC 29506-2617
Phone (843) 777-2000

620 Skyline Dr
Jackson, TN 38301-3923
Phone (731) 541-4923

901 Harry S Truman Dr N
Upper Marlboro, MD 20774-5477
Phone (240) 677-3000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
McLeod Health Clarendon CurrentSince Sep 16, 2025 Accepting new patients
RMH Medical Group LLC CurrentSince Apr 5, 2021 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Oct 12, 2019 Accepting new patients
McLeod Regional Medical Center of the Pee Dee, Inc Critical Care Medicine CurrentSince Jan 2, 2023 Accepting new patients
Upmc Western Maryland Corporation CurrentSince Jul 9, 2018 Accepting new patients
Upmc Western Maryland Corporation Critical Care Medicine Current Accepting new patients
Musc Community Physicians CurrentSince Oct 21, 2025 Accepting new patients
Augusta Medical Group CurrentSince Mar 21, 2022 Accepting new patients
Augusta Medical Group CurrentSince Mar 21, 2022 Accepting new patients
Grace Medical Center, Inc. Current Accepting new patients
Dimensions Healthcare Associates, Inc. Current Accepting new patients
Usacs Critical Care Medicine Services East, LLC Critical Care Medicine CurrentSince Jan 1, 2022 Accepting new patients
Dimensions Healthcare Associates Inc CurrentSince Oct 1, 2019 Accepting new patients
McLeod Health Clarendon CurrentSince Sep 16, 2025 Accepting new patients
Upmc Western Maryland Corporation CurrentSince Jul 9, 2018 Accepting new patients
RMH Medical Group LLC CurrentSince Apr 5, 2021 Accepting new patients
Shock Trauma Associates, P.a. CurrentSince Nov 11, 2017 Accepting new patients
Grace Medical Center, Inc. CurrentSince Mar 26, 2020 Accepting new patients
West Tennessee Healthcare Hospitalists Inc Hospitalist CurrentSince Oct 1, 2025 Accepting new patients
Musc Community Physicians Current Accepting new patients
McLeod Regional Medical Center of the Pee Dee, Inc CurrentSince Jan 2, 2023 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Oct 12, 2019 Accepting new patients
Usacs Integrated Acute Care Services of Maryland, LLC CurrentSince Jul 20, 2020 Accepting new patients
Musc Community Physicians CurrentSince Oct 21, 2025 Accepting new patients
Upmc Western Maryland Health Services, LLC Past Accepting new patients
Grace Medical Center, Inc. Past Accepting new patients
Baptist Health Medical Group Inc Hospitalist Past Accepting new patients
Atlantic General Hospital Corporation Hospitalist Past Accepting new patients
Rockingham Memorial Hospital Past Accepting new patients

Locations

2000 W Baltimore St
Baltimore, MD 21223
Phone (410) 362-3075

22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793

2900 Mercy Ln
Cheverly, MD 20785
Phone (301) 618-2010

12500 Willowbrook Rd
Cumberland, MD 21502
Phone (240) 964-1255

12502 Willowbrook Rd
Ste 280
Cumberland, MD 21502
Phone (240) 964-8750

3001 Hospital Dr
Hyattsville, MD 20785
Phone (301) 618-2000

1313 National Hwy
Lavale, MD 21502
Phone (240) 362-0288

18101 Prince Philip Dr
Olney, MD 20832
Phone (301) 774-8618

9901 Medical Center Dr
Rockville, MD 20850
Phone (301) 279-6000

1500 Forest Glen Rd
Silver Spring, MD 20910
Phone (301) 754-7230

901 Harry S Truman Dr N
Uppr Marlboro, MD 20774
Phone (240) 677-0021

506 North St
Bamberg, SC 29003
Phone (803) 245-6290

555 E Cheves St
Florence, SC 29506
Phone (843) 662-5233

10 E Hospital St
Manning, SC 29102
Phone (803) 433-3000

3000 Saint Matthews Rd
Orangeburg, SC 29118
Phone (803) 395-2200

620 Skyline Dr
Jackson, TN 38301
Phone (731) 425-5000

1701 N George Mason Dr
Arlington, VA 22205
Phone (703) 558-5000

53 S Medical Park Dr
Fishersville, VA 22939
Phone (540) 332-5687

70 Medical Center Cir
Ste 308
Fishersville, VA 22939
Phone (540) 245-7190

78 Medical Center Dr
Fishersville, VA 22939
Phone (540) 245-7216

136 W Elizabeth St
Ste 201
Harrisonburg, VA 22802
Phone (540) 564-5104

2006 Health Campus Dr
Ste 200
Rockingham, VA 22801
Phone (540) 689-5600

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/14718/brand/4/csg/1/fhir/r4
  • Direct secure messaging: jmorrissey230561@direct.umm.edu
  • Direct secure messaging: jmorrissey79845@directmcleodehealth.org
  • Direct secure messaging: john.morrissey.1@14718.direct.athenahealth.com

Organizations & group practices 29

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.

View all 29

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1155600000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1375056000000",
    "number": "1740293984",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1150 VARNUM ST NE",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "20017",
            "telephone_number": "202-269-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1150 VARNUM ST NE",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "20017",
            "telephone_number": "202-269-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MORRISSEY",
        "first_name": "JOHN",
        "middle_name": "D",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-15",
        "last_updated": "2013-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "DC",
            "license": "MD20772",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "DC",
            "license": "MD20772",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.