NPIMap

Individual provider Active NPI

Ernest Njonkem

  • Acute Care Nurse Practitioner
  • Baltimore, MD
National Provider Identifier
1447898143
Registry record updated Dec 13, 2019
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
R180739 Issued in MD
Practice address
22 S Greene St
Baltimore, MD 21201-1544
Phone
(410) 328-4242
NPI assigned
Dec 13, 2019
Last updated
Dec 13, 2019By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 13, 2019

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X R180739 MD Primary

Addresses

Primary practice location

22 S Greene St
Baltimore, MD 21201-1544

Mailing address

12317 Bonmot PL
Reisterstown, MD 21136-1701
Phone (443) 995-5888

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
I20200930001661 MD Practitioner - Nurse Practitioner 6608295340 Reassigns benefits to 3 organizations
I20220630000016 DC Practitioner - Nurse Practitioner 6608295340 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Synergy Medical Group LLCGroup PAC ID 0749644177, 102 clinicians
Mep Observation Services LLCGroup PAC ID 2365611845, 42 clinicians

Practice addresses (Care Compare)

1500 Forest Glen Rd
Silver Spring, MD 20910-1460
Phone (301) 754-7000

3320 Benson Ave
Halethorpe, MD 21227-1035
Phone (667) 600-2600

5401 Old Court Rd
Randallstown, MD 21133-5103
Phone (410) 521-2200

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Synergy Medical Group LLC CurrentSince Aug 12, 2025 Accepting new patients
Mep Observation Services LLC CurrentSince May 23, 2023 Accepting new patients
Professional Services of Holy Cross CurrentSince Jun 1, 2022 Accepting new patients
Professional Services of Holy Cross CurrentSince Jun 1, 2022 Accepting new patients
Maryland General Clinical Practice Group, Inc. CurrentSince Sep 1, 2020 Accepting new patients
Mep Observation Services LLC CurrentSince May 23, 2023 Accepting new patients
Maryland General Clinical Practice Group, Inc. CurrentSince Sep 1, 2020 Accepting new patients
Synergy Medical Group LLC CurrentSince Aug 12, 2025 Accepting new patients
Synergy Medical Group LLC Current Accepting new patients

Locations

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

827 Linden Ave
Baltimore, MD 21201
Phone (410) 225-8100

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

3320 Benson Ave
Halethorpe, MD 21227
Phone (410) 644-7100

900 Elkridge Landing Rd
Fl 2
Linthicum Heights, MD 21090
Phone (443) 462-5010

5401 Old Court Rd
Randallstown, MD 21133
Phone (301) 337-2727

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

1205 York Rd
Ste 11
Timonium, MD 21093
Phone (443) 325-0031

Interoperability endpoints

  • Direct secure messaging: enjonkem1620859@direct.trinity-health.org

Organizations & group practices 9

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 5

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": "1576195200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1576195200000",
    "number": "1447898143",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12317 BONMOT PL",
            "city": "REISTERSTOWN",
            "state": "MD",
            "postal_code": "211361701",
            "telephone_number": "443-995-5888"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NJONKEM",
        "first_name": "ERNEST",
        "name_prefix": "Mr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-12-13",
        "last_updated": "2019-12-13",
        "certification_date": "2019-12-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "MD",
            "license": "R180739",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.