Individual provider Active NPI

Nickolas Coombs, DO

  • Nephrology Physician
  • Baltimore, MD
National Provider Identifier
1982224705
Registry record updated Aug 28, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
H0105455 Issued in MD
Practice address
4940 Eastern Ave
Baltimore, MD 21224-2735
Phone
(410) 550-0100
NPI assigned
Apr 22, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 28, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 075566 CT
Student in an Organized Health Care Education/Training Program 390200000X
Nephrology Physician 207RN0300X H0105455 MD Primary

Addresses

Primary practice location

4940 Eastern Ave
Baltimore, MD 21224-2735

Mailing address

6201 Greenleigh Ave
Baltimore, MD 21220-2004
Phone (410) 933-6423

Other practice location 1

1800 Orleans Street
Baltimore, MD 21264-1956
Phone (410) 955-5000

Other practice location 2

2309 Bel Air Rd Ste A
Fallston, MD 21047-2755
Phone (443) 981-3130

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ncoombs37268@direct.med.uchc.edu

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
I20260603001518 MD Practitioner - Nephrology 5092152033

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Other, 2020
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

5601 Loch Raven Blvd
Suite 3N
Baltimore, MD 21239-2945

5601 Loch Raven Blvd
Suite 3N
Baltimore, MD 21239-2950

Hospital & facility affiliations

  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
075566CTMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
University of Connecticut Health Center Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: ncoombs1239306@direct.hopkinsmedicine.org
  • Direct secure messaging: ncoombs37268@direct.med.uchc.edu

Organizations & group practices 1

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": "1587513600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1982224705",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4940 EASTERN AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212242735",
            "telephone_number": "410-550-0100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1800 Orleans Street",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212641956",
            "country_code": "US",
            "telephone_number": "410-955-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2309 Bel Air Rd Ste A",
            "address_purpose": "LOCATION",
            "city": "Fallston",
            "state": "MD",
            "postal_code": "210472755",
            "country_code": "US",
            "telephone_number": "443-981-3130",
            "fax_number": "443-981-3136",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "COOMBS",
        "first_name": "NICKOLAS",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-22",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CT",
            "license": "075566",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "MD",
            "license": "H0105455",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ncoombs37268@direct.med.uchc.edu",
            "affiliation": "N",
            "address_1": "263 Farmington Ave",
            "city": "Farmington",
            "state": "CT",
            "country_code": "US",
            "postal_code": "060321956",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.