Individual provider Active NPI

Hariharan Regunath, M.D.

  • Critical Care Medicine (Internal Medicine) Physician
  • Glen Burnie, MD
National Provider Identifier
1851603617
Registry record updated Mar 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
2014006559 Issued in MO
Practice address
301 Hospital Dr
Glen Burnie, MD 21061-5803
Phone
(410) 787-4000
NPI assigned
Jul 9, 2010
Last updated
Mar 12, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 12, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 2014006559 MO Primary
Infectious Disease Physician 207RI0200X 2014006559 MO
Pulmonary Disease Physician 207RP1001X 2014006559 MO

Addresses

Primary practice location

301 Hospital Dr
Glen Burnie, MD 21061-5803

Mailing address

PO Box 843966
Kansas City, MO 64184-3966
Phone (573) 884-3300

Other practice location 1

1020 Hitt St
Columbia, MO 65212-0001
Phone (573) 882-8788

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address MUDOCREFERRAL@direct.health.missouri.edu Direct Curators of the University of Missouri

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, MD2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20150216000663 MO Practitioner - Infectious DiseasePractitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 1658507504 Reassigns benefits to 2 organizations
I20220729000022 MD Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal MedicinePractitioner - Critical Care (Intensivists) 1658507504 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Critical Care (Intensivists)
Education
Other, 2005
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Lake Regional Health SystemGroup PAC ID 9133026776, 132 clinicians

Practice addresses (Care Compare)

301 Hospital Dr
Glen Burnie, MD 21061-5803
Phone (410) 787-4000

54 Hospital Dr
Osage Beach, MO 65065-3050
Phone (573) 348-8045

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Lake Regional Health System Current Accepting new patients
University of Maryland Community Medical Group, Inc. CurrentSince Jul 1, 2022 Accepting new patients
Lake Regional Health System CurrentSince Apr 1, 2025 Accepting new patients
Lake Regional Medical Management, Inc. CurrentSince Apr 7, 2024 Accepting new patients
University of Maryland Community Medical Group, Inc. CurrentSince Jul 1, 2022 Accepting new patients
Lake Regional Health System Infectious Disease CurrentSince Apr 1, 2025 Accepting new patients
University of Maryland Baltimore Washington Heart Associates LLC Cardiovascular Disease CurrentSince Feb 3, 2025 Accepting new patients
Baltimore Washington Medical Center Inc. Critical Care Medicine Past Accepting new patients

Locations

2540 Centreville Rd
Centreville, MD 21617
Phone (410) 758-4432

219 S Washington St
Easton, MD 21601

301 Hospital Dr
Glen Burnie, MD 21061
Phone (410) 787-4565

7845 Oakwood Rd
Ste 106
Glen Burnie, MD 21061
Phone (410) 760-5100

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

54 Hospital Dr
Osage Beach, MO 65065
Phone (573) 280-2772

Interoperability endpoints

  • Direct secure messaging: hregunath926541@direct.umm.edu

Organizations & group practices 8

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 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": "1278633600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1851603617",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 843966",
            "city": "KANSAS CITY",
            "state": "MO",
            "postal_code": "641843966",
            "telephone_number": "573-884-3300",
            "fax_number": "573-884-0943"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "301 HOSPITAL DR",
            "city": "GLEN BURNIE",
            "state": "MD",
            "postal_code": "210615803",
            "telephone_number": "410-787-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1020 Hitt St",
            "address_purpose": "LOCATION",
            "city": "Columbia",
            "state": "MO",
            "postal_code": "652120001",
            "country_code": "US",
            "telephone_number": "573-882-8788",
            "fax_number": "573-882-3131",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "REGUNATH",
        "first_name": "HARIHARAN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-07-09",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MO",
            "license": "2014006559",
            "primary": true
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "MO",
            "license": "2014006559",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MO",
            "license": "2014006559",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "MUDOCREFERRAL@direct.health.missouri.edu",
            "affiliation": "Y",
            "endpointDescription": "Endpoint is used to receive electronic continuity of care documents (C-CDA) for outpatient referrals.",
            "affiliationName": "Curators of the University of Missouri",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct",
            "address_1": "3 Hospital Dr",
            "city": "Columbia",
            "state": "MO",
            "country_code": "US",
            "postal_code": "652015276",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Glen Burnie, MD

Sources for this page

Verify at the official NPI Registry.