NPIMap

Individual provider Active NPI

Keiko Iwahara Greenberg

  • Nephrology Physician
  • Baltimore, MD
National Provider Identifier
1588807408
Registry record updated Jan 1, 2016
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
D0079185 Issued in MD
Practice address
1830 E Monument St Ste 416
Baltimore, MD 21287-0020
Phone
(410) 955-5268
NPI assigned
Apr 7, 2009
Last updated
Jan 1, 2016By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 1, 2016

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X D0079185 MD Primary

Addresses

Primary practice location

1830 E Monument St Ste 416
Baltimore, MD 21287-0020

Mailing address

1830 E Monument St Ste 416
Baltimore, MD 21287-0020
Phone (410) 955-5268

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20160218001863 MD Practitioner - NephrologyPractitioner - Internal Medicine 7315174166 Reassigns benefits to 1 organization
I20200418000121 DC Practitioner - Nephrology 7315174166 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
University of Virginia School of Medicine, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Medstar Medical Group II LLCGroup PAC ID 0547413825, 3,726 clinicians

Practice addresses (Care Compare)

3800 Reservoir Rd NW
Washington, DC 20007-2113
Phone (202) 444-2000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
82.97 of 100Reported as group
Quality
72.87
Promoting interoperability
100
Improvement activities
40
Cost
67.82

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0079185MDMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group II LLC CurrentSince Jun 1, 2025 Accepting new patients
MGMC LLC CurrentSince Apr 13, 2020 Accepting new patients
Johns Hopkins University CurrentSince Feb 15, 2016 Accepting new patients
Johns Hopkins University Nephrology CurrentSince Feb 15, 2016 Accepting new patients
Medstar Medical Group II LLC CurrentSince Jun 1, 2025 Accepting new patients
Medstar Medical Group II LLC CurrentSince Apr 13, 2020 Accepting new patients
MGMC, LLC Current Accepting new patients
Johns Hopkins University Current Accepting new patients
Medstar Georgetown Medical Center, Inc Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

1145 19th St NW
Ste 311
Washington, DC 20036
Phone (202) 429-2401

3800 Reservoir Rd NW
Washington, DC 20007
Phone (202) 687-2203

4940 Eastern Ave
Bldg 2500
Baltimore, MD 21224

5601 Loch Raven Blvd
Baltimore, MD 21239
Phone (443) 444-4714

600 N Wolfe St
Baltimore, MD 21287

Organizations & group practices 10

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.

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": "1239062400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1451606400000",
    "number": "1588807408",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1830 E MONUMENT ST STE 416",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870020",
            "telephone_number": "410-955-5268"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1830 E MONUMENT ST STE 416",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870020",
            "telephone_number": "410-955-5268"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENBERG",
        "first_name": "KEIKO",
        "middle_name": "IWAHARA",
        "name_prefix": "Ms.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-04-07",
        "last_updated": "2016-01-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MD",
            "license": "D0079185",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.