Individual provider Active NPI

John C Greenawalt, M.D.

  • Internal Medicine Physician
  • Baltimore, MD
National Provider Identifier
1699783795
Registry record updated Jul 13, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D60248 Issued in MD
Practice address
6701 N Charles St
Dept of Medicine RM 4890
Baltimore, MD 21204-6808
Phone
(443) 849-8046
NPI assigned
Aug 4, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2007

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D60248 MD Primary
Hospitalist Physician 208M00000X D60248 MD

Addresses

Primary practice location

6701 N Charles St
Dept of Medicine RM 4890
Baltimore, MD 21204-6808

Mailing address

PO Box 631568
Baltimore, MD 21263-1568

Other identifiers 3

IdentifierTypeStateIssuer
402522900MedicaidMD
S138-0067OtherMDCAREFIRST REGIONAL
KJ15GB/62225001OtherMDCAREFIRST MARYLAND

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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 1

Enrollment IDStateProvider typePAC IDDetails
I20100909000461 MD Practitioner - Internal Medicine 0749305118 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Greater Baltimore Medical CenterGroup PAC ID 1759276975, 350 clinicians

Practice addresses (Care Compare)

3701 N Charles St
South Chapman Building Suite 102
Towson, MD 21204-6808

6565 N Charles St
Baltimore, MD 21204-5805

6565 N Charles St
Baltimore, MD 21204-6808

6565 N Charles Street
201 Pulmonary Medicine at GBMC
Baltimore, MD 21204-5805
Phone (443) 849-3901

6569 N Charles St
Suite 505
Baltimore, MD 21204-6808
Phone (443) 849-2658

6569 N Charles St PPW Room
307 GYN Specialists
Baltimore, MD 21204-6808
Phone (443) 849-6123

6569 N Charles Street
504 Hoover Low Vision GBMC
Baltimore, MD 21204-6808
Phone (443) 849-2658

6701 N Charles St
Baltamore, MD 21204-6808

6701 N Charles St BLDG
S Chapman BLDG Suite 102
Baltimore, MD 21204-6808

6701 N Charles St Unit
Baltimore, MD 21204-6808
Phone (443) 849-3131

Hospital & facility affiliations

  • Greater Baltimore Medical Center Hospital, Baltimore, MD, CCN 210044

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D60248MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Greater Baltimore Medical Center, Inc. Internal Medicine CurrentSince Sep 1, 2003 Accepting new patients
Greater Baltimore Medical Center, Inc. CurrentSince Sep 1, 2003 Accepting new patients
Greater Baltimore Medical Center, Inc Current Accepting new patients
Greater Baltimore Medical Center, Inc. Past Accepting new patients

Locations

6701 N Charles St
Rm 4890
Baltimore, MD 21204
Phone (410) 512-8919

6565 N Charles St
Ste 203
Towson, MD 21204
Phone (410) 828-3760

6569 N Charles St
Ste 505
Towson, MD 21204
Phone (443) 849-2196

Interoperability endpoints

  • Direct secure messaging: jgreenawalt7984@gbmcdirect.org

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
GBMC, IncBaltimore, MD, CCN 210044 Hospital Corporate Officer
Corporate Director
Jul 1, 2020
Jul 1, 2020

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 4

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.

Hospital & facility affiliations 1

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": "1154649600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1184284800000",
    "number": "1699783795",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 631568",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212631568"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6701 N CHARLES ST",
            "address_2": "DEPT OF MEDICINE RM 4890",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212046808",
            "telephone_number": "443-849-8046"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENAWALT",
        "first_name": "JOHN",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-04",
        "last_updated": "2007-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D60248",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MD",
            "license": "D60248",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "402522900",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST REGIONAL",
            "identifier": "S138-0067",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST MARYLAND",
            "identifier": "KJ15GB/62225001",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.