Active NPI
Hariharan Regunath, M.D.
- Critical Care Medicine (Internal Medicine) Physician
- Glen Burnie, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- 2014006559
- Practice address
- 301 Hospital Dr
Glen Burnie, MD 21061-5803 - Phone
- (410) 787-4000
- NPI assigned
- Jul 9, 2010
- Last updated
- Mar 12, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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, MD
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Cardiovascular Disease (Cardiology)
- Education
- Other, 2005
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Lake Regional Health System | Current | Accepting new patients | |
| University of Maryland Community Medical Group, Inc. | Current | Accepting new patients | |
| Lake Regional Health System | Current | Accepting new patients | |
| Lake Regional Medical Management, Inc. | Current | Accepting new patients | |
| University of Maryland Community Medical Group, Inc. | Current | Accepting new patients | |
| Lake Regional Health System | Infectious Disease | Current | Accepting new patients |
| University of Maryland Baltimore Washington Heart Associates LLC | Cardiovascular Disease | Current | 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
- 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.
-
- Family Medicine Physician
- Baltimore, MD
- NPI 1477530624
-
- Emergency Medical Services (Emergency Medicine) Physician
- Osage Beach, MO
- NPI 1053581454
-
- Cardiovascular Disease Physician
- Glen Burnie, MD
- NPI 1972084507
-
dba Lake Regional Medical Group
- Multi-Specialty Clinic/Center
- Osage Beach, MO
- NPI 1639134158
-
- Psychiatry Physician
- La Plata, MD
- NPI 1679393854
-
dba Lake Regional Orthopedics
- Durable Medical Equipment & Medical Supplies
- Lebanon, MO
- NPI 1578125324
-
- Internal Medicine Physician
- Osage Beach, MO
- NPI 1962828616
Infectious Disease
-
- General Acute Care Hospital
- Glen Burnie, MD
- NPI 1124016696
Critical Care Medicine
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Glen Burnie, MD
- NPI 1124016696
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.