NPIMap

Individual provider Active NPI

Ramaswamy I Rangarajan, M.D.

  • Internal Medicine Physician
  • Randallstown, MD
National Provider Identifier
1841251576
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D54288 Issued in MD
Practice address
5401 Old Court Rd
Randallstown, MD 21133-5103
Phone
(410) 521-2200
NPI assigned
Mar 31, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D54288 MD Primary

Addresses

Primary practice location

5401 Old Court Rd
Randallstown, MD 21133-5103

Mailing address

5401 Old Court Rd
Attn: Credentialing
Randallstown, MD 21133-5103
Phone (410) 601-5524

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20060926000517 MD Practitioner - Internal Medicine 3173528197 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northwest Hospital Center IncGroup PAC ID 6204739352, 90 clinicians

Practice addresses (Care Compare)

200 Memorial Ave
Westminster, MD 21157-5726
Phone (410) 871-6700

5401 Old Court Rd
Randallstown, MD 21133-5103
Phone (410) 701-4434

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
64.51 of 100Reported as individual
Quality
33.91
Improvement activities
40
Cost
69.53

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D54288MDMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sinai Hospital of Baltimore Inc Current Accepting new patients
Sinai Hospital of Baltimore Inc Internal Medicine CurrentSince Jul 3, 2010 Accepting new patients
Northwest Hospital Center, Inc Internal Medicine CurrentSince Aug 1, 2001 Accepting new patients
Emergency Medicine Associates P.a., P.C. Internal Medicine CurrentSince Feb 10, 2026 Accepting new patients
Emergency Medicine Associates PA PC Internal Medicine CurrentSince Feb 10, 2026 Accepting new patients
Northwest Hospital Center, Inc. CurrentSince Aug 1, 2001 Accepting new patients
Sinai Hospital of Baltimore, Inc. CurrentSince Jul 3, 2010 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Northwest Hospital Center, Inc. Past Accepting new patients
Ruben Reider MD PA Internal Medicine Past Accepting new patients
Northwest Hospital Center, Inc. Past Accepting new patients

Locations

2401 W Belvedere Ave
Baltimore, MD 21215

2435 W Belvedere Ave
Ste 56
Baltimore, MD 21215
Phone (410) 578-8632

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

200 Memorial Ave
Westminster, MD 21157
Phone (410) 848-3000

Interoperability endpoints

  • FHIR API: https://fhir-myrecord.cerner.com/r4/136fea15-c667-40bc-9ed2-b1115d62123b/

Organizations & group practices 12

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": "1143763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1841251576",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5401 OLD COURT RD",
            "address_2": "ATTN: CREDENTIALING",
            "city": "RANDALLSTOWN",
            "state": "MD",
            "postal_code": "211335103",
            "telephone_number": "410-601-5524",
            "fax_number": "410-601-8946"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5401 OLD COURT RD",
            "city": "RANDALLSTOWN",
            "state": "MD",
            "postal_code": "211335103",
            "telephone_number": "410-521-2200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RANGARAJAN",
        "first_name": "RAMASWAMY",
        "middle_name": "I",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-03-31",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D54288",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Randallstown, MD

Sources for this page

Verify at the official NPI Registry.